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TAC Remote
TAC (TON Applications Chain) is a Layer 2 solution based on Polygon technology, designed to enhance the scalability and performance of the TON blockchain. Responsibilities: Develop and optimize smart contracts on the EVM (Ethereum Virtual Machine). Research and implement solutions to improve the performance and security of smart contracts. Audit and analyze existing smart contracts. Create and maintain technical documentation. Requirements: At least 2 years of experience in smart contract development, with a minimum of two completed projects on the EVM network. Proficient in Solidity and other smart contract development languages. Experience with blockchain platforms (Ethereum, Binance Smart Chain, etc.). Understanding of decentralized applications (dApps). Fluent in Russian and Engl

TAC (TON Applications Chain) is a Layer 2 solution based on Polygon technology, designed to enhance the scalability and performance of the TON blockchain.

Responsibilities:

  • Develop and optimize smart contracts on the EVM (Ethereum Virtual Machine).
  • Research and implement solutions to improve the performance and security of smart contracts.
  • Audit and analyze existing smart contracts.
  • Create and maintain technical documentation.

Requirements:

  • At least 2 years of experience in smart contract development, with a minimum of two completed projects on the EVM network.
  • Proficient in Solidity and other smart contract development languages.
  • Experience with blockchain platforms (Ethereum, Binance Smart Chain, etc.).
  • Understanding of decentralized applications (dApps).
  • Fluent in Russian and English.
  • Experience with smart contract development and debugging tools (Truffle, Hardhat, etc.).
  • Understanding of consensus mechanisms and distributed systems.
  • Knowledge of ERC-20, ERC-721, and other protocols.
  • Experience with DeFi protocols.
  • Proficiency with Git and version control systems.
  • Ability to write clean, readable, and maintainable code.

We Offer:

  • A competitive salary.
  • Flexible working hours.

Join TAC and be part of our mission to revolutionize the DeFi space on the TON blockchain.

Apply Now:

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Chainlink Labs Ciudad de México / Remote
About Us Chainlink Labs is the primary contributing developer of Chainlink, the decentralized computing platform powering the verifiable web. Chainlink is the industry-standard platform for providing access to real-world data, offchain computation, and secure cross-chain interoperability across any blockchain. Chainlink Labs helps power verifiable applications for banking, DeFi, global trade, and gaming by collaborating with some of the world’s largest financial institutions, notably Swift, DTCC, and ANZ. Chainlink Labs also works with top Web3 teams, including Aave, Compound, GMX, Maker, and Synthetix. Chainlink Labs was ranked in Newsweek’s 100 Most Loved Workplaces 2023 in both the United States and United Kingdom. The Engineering Team At Chainlink Labs, our engineering team pushes the scale and capabilities of decentralized applications across the industry. The Chainlink
About Us 
Chainlink Labs is the primary contributing developer of Chainlink, the decentralized computing platform powering the verifiable web. Chainlink is the industry-standard platform for providing access to real-world data, offchain computation, and secure cross-chain interoperability across any blockchain. Chainlink Labs helps power verifiable applications for banking, DeFi, global trade, and gaming by collaborating with some of the world’s largest financial institutions, notably Swift, DTCC, and ANZ. Chainlink Labs also works with top Web3 teams, including Aave, Compound, GMX, Maker, and Synthetix. Chainlink Labs was ranked in Newsweek’s 100 Most Loved Workplaces 2023 in both the United States and United Kingdom.
The Engineering Team
At Chainlink Labs, our engineering team pushes the scale and capabilities of decentralized applications across the industry. The Chainlink Network holds >70% market share in the oracle space, solving real-world problems by enabling smart contracts to securely interact with off-chain data/computation.
We value talented and driven craftsmen who work collaboratively to tackle complex challenges, deliver product impact, and grow as builders. Join us and shape the future of blockchain technology and decentralized finance. 
About The Role
As a software engineer working on Chainlink, you’ll collaborate with an experienced technical team of other senior engineers, distributed systems computing experts, and security experts, who are all committed to building world-changing decentralized infrastructure. You’ll develop and build highly scalable, secure, and reliable software that will change the way smart contracts function at a fundamental level.

Your Impact:

    • Developing systems that protect Chainlink, its partners, and users
    • Solving complex problems across various Chainlink product verticals 
    • Helping with deployment and planning of related security infrastructure
    • Engaging with other teams and product owners to advise and help build in security from the start.

Requirements:

    • Bachelor's Degree in Computer Science (or related field) or equivalent experience
    • 5+ years of experience with Rust 
    • One of: Experience in Blockchain research (relevant areas include but are not limited to Distributed Systems, Smart Contracts, Formal Methods, Verification) OR Experience building security software, securing enterprise systems, or working in a security related function.

Preferred Requirements:

    • Experience writing/auditing Solidity smart contracts
    • Experience working on open source software with a GitHub history to prove it
    • Experience running infrastructure
    • Knowledge of infrastructure security and cloud deploymentsExperience writing Go software
    • Experience working with Ethereum->
    • Experience with fuzzing or software verification
Our Stack:
Rust, Golang, TypeScript, Solidity, Postgres, Terraform, AWS
#LI-DA1
All roles with Chainlink Labs are global and remote-based. Unless otherwise stated, we ask that you try to overlap some working hours with Eastern Standard Time (EST).
Commitment to Equal Opportunity
Chainlink Labs is an equal opportunity employer. All qualified applicants will receive equal consideration for employment in compliance with applicable laws, regulations, or ordinances. If you need assistance or accommodation due to a disability or special need when applying for a role or in our recruitment process, please contact us via this form.
Global Data Privacy Notice for Job Candidates and Applicants
Information collected and processed as part of your Chainlink Labs Careers profile, and any job applications you choose to submit is subject to our Privacy Policy. By submitting your application, you are agreeing to our use and processing of your data as required.

Apply Now:

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Swarm Foundation Neuchâtel
Senior Software Engineer (Distributed systems, blockchain) Bee team Swarm is a system of peer-to-peer networked nodes for a decentralised storage and communication service. Swarm could shape the future towards a self-sovereign global society and permissionless open markets. On Swarm, applications run autonomously yet securely in a planetary-scale deployment and execution environment. Bee is a Swarm client implemented in Go. It’s the basic building block for the Swarm Network. Bee provides low-level constructs for file storage, feeds, key-value stores and untraceable communication, through solid, well-tested code delivered in an agile manner. Key technologies are Go, libp2p, protobuf, leveldb, and go-ethereum, as well as various cryptographic libraries. Your role:
Senior Software Engineer (Distributed systems, blockchain)
Bee team
Swarm is a system of peer-to-peer networked nodes for a decentralised storage and communication service. 
Swarm could shape the future towards a self-sovereign global society and permissionless open markets. On Swarm, applications run autonomously yet securely in a planetary-scale deployment and execution environment.
Bee is a Swarm client implemented in Go. It’s the basic building block for the Swarm Network. 
Bee provides low-level constructs for file storage, feeds, key-value stores and untraceable communication, through solid, well-tested code delivered in an agile manner.
Key technologies are Go, libp2p, protobuf, leveldb, and go-ethereum, as well as various cryptographic libraries. 
Your role:
  • Development of the reference Swarm implementation in Go aka Bee
  • Developing domain-specific knowledge and expertise in the Swarm incentive layer implementation
  • Bringing code up to spec
  • Delivering well-tested code
  • Conducting thorough code reviews to your peers
Your profile:
  • Strong understanding of distributed systems.
  • Familiarity with blockchain principles and considerations for application design is a plus.
  • Experience with libp2p
  • You don’t need to Google SOLID principles 
  • You can express yourself fluently in English, both verbally and in writing
  • You are available around the CET timezone
  • You manage your own time effectively and respect time constraints
  • You like to take the initiative and can work remotely
We appreciate:
  • Familiarity with Go-Ethereum 
  • Knowledge of Solidity
  • A passionate open-source contributor
  • Acquaintance with cryptographic concepts
  • Knowledge of Kubernetes, Grafana, Jaeger and OpenTracing
Swarm offers/Team perks:
  • An open, flat and transparent work environment
  • 100% remote-friendly
  • Flexible working hours
  • We care about our swarm: Incentives through BZZ, Swarm’s token
Should you be interested in the position, please send your CV and GitHub repo to email.
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HZ Music DAO Remote
HZ Music DAO is seeking a highly motivated and skilled dApp Developer to join our team and play a key role in building the future of music ownership and fan engagement. We are a forward-thinking organization building a platform that empowers music creators, fans, and rights holders through a unique blend of blockchain technology, social experiences, and the metaverse. About the Role: As a dApp Developer at HZ Music DAO, you will be responsible for designing, developing, and deploying our innovative decentralized application (dApp). You will work closely with product managers, designers, and other developers to create a secure, scalable, and user-friendly platform that revolutionizes the music industry. Responsibilities: Design and develop smart contracts for functionalities like Music NFT minting, HZMZ token distribution, and staking mechanisms. Int

HZ Music DAO is seeking a highly motivated and skilled dApp Developer to join our team and play a key role in building the future of music ownership and fan engagement. We are a forward-thinking organization building a platform that empowers music creators, fans, and rights holders through a unique blend of blockchain technology, social experiences, and the metaverse.

About the Role:

As a dApp Developer at HZ Music DAO, you will be responsible for designing, developing, and deploying our innovative decentralized application (dApp). You will work closely with product managers, designers, and other developers to create a secure, scalable, and user-friendly platform that revolutionizes the music industry.

Responsibilities:

  • Design and develop smart contracts for functionalities like Music NFT minting, HZMZ token distribution, and staking mechanisms.
  • Integrate the dApp with relevant blockchain networks (e.g., Ethereum, Solana) to ensure seamless user experience.
  • Develop front-end interfaces for the dApp that are intuitive, user-friendly, and accessible across various devices.
  • Integrate open source API's for functionality
  • Collaborate with the team to ensure the dApp integrates seamlessly with our existing social metaverse experiences on Spatial and MetaMask functionalities.
  • Implement security best practices to safeguard user assets and platform integrity.
  • Continuously test and debug the dApp to maintain optimal performance and functionality.
  • Stay up-to-date with the latest advancements in blockchain technology and Web3 development.

Qualifications:

  • Proven experience as a dApp developer with a strong understanding of blockchain technology concepts (decentralization, consensus mechanisms, etc.)
  • Expertise in smart contract development using Solidity or other relevant languages.
  • Experience with front-end development frameworks (React, Vue.js, etc.) and familiarity with Web3 libraries.
  • Experience integrating dApps with blockchain networks (Ethereum, Solana, etc.)
  • A passion for music and the potential of blockchain to transform the industry.
  • Excellent communication and collaboration skills.
  • Ability to work independently and manage multiple tasks effectively.

Bonus points:

  • Experience developing social metaverse experiences on platforms like Spatial.
  • Experience with MetaMask integrations.
  • Experience with NFT development.
  • A portfolio showcasing previous dApp development projects.

Benefits:

  • Be at the forefront of music and metaverse innovation
  • Work with a talented and passionate team
  • HZMZ token vesting opportunity
  • Opportunity to make a real impact on the future of music

Join us and be a part of shaping the future of music!

Apply Now:

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HZ Music DAO Remote
About HZ Music DAO HZ Music DAO is a revolutionary platform built on the blockchain that empowers music creators, fans, and rights holders. Our ecosystem fosters music creation, distribution, and exchange through Music NFTs, HZMZ tokens, and staking opportunities. We create a vibrant social metaverse experience on Spatial, with MetaMask and Solana integrations, allowing for monetization of digital assets, hosting content and events, and fostering meaningful community interaction. The Role We are seeking a talented and passionate Smart Contract Developer to join our team and play a pivotal role in building and maintaining the foundation of our platform. You will be responsible for developing, managing, auditing, and integrating smart contracts to facilitate secure and transparent blockchain-based transactions within the HZ Music ecosystem. Responsibilities Design, develop, an

About HZ Music DAO

HZ Music DAO is a revolutionary platform built on the blockchain that empowers music creators, fans, and rights holders. Our ecosystem fosters music creation, distribution, and exchange through Music NFTs, HZMZ tokens, and staking opportunities. We create a vibrant social metaverse experience on Spatial, with MetaMask and Solana integrations, allowing for monetization of digital assets, hosting content and events, and fostering meaningful community interaction.

The Role

We are seeking a talented and passionate Smart Contract Developer to join our team and play a pivotal role in building and maintaining the foundation of our platform. You will be responsible for developing, managing, auditing, and integrating smart contracts to facilitate secure and transparent blockchain-based transactions within the HZ Music ecosystem.

Responsibilities

  • Design, develop, and deploy secure and efficient smart contracts for Music NFTs, HZMZ tokens, and staking functionalities.
  • Collaborate with the development team to ensure seamless integration of smart contracts with our platform's frontend and backend systems.
  • Conduct thorough audits and unit testing to identify and rectify vulnerabilities in smart contracts.
  • Stay up-to-date on the latest advancements in blockchain technology and smart contract best practices.
  • Provide ongoing maintenance and support for deployed smart contracts.
  • Participate in code reviews and knowledge sharing sessions to foster a collaborative development environment.

Qualifications

  • Proven experience in developing smart contracts using Solidity or similar languages.
  • In-depth understanding of blockchain technology, particularly Ethereum and Solana.
  • Experience with DeFi (Decentralized Finance) protocols and concepts is a plus.
  • Familiarity with web3 development tools and libraries (e.g., Web3.js, Ethers.js).
  • Strong understanding of security principles and best practices for smart contract development.
  • Excellent problem-solving and analytical skills.
  • Ability to work independently and as part of a collaborative team.
  • Passion for music and the potential of blockchain technology within the music industry.

Benefits

  • Token vesting opportunity.
  • Opportunity to work on cutting-edge technology at the forefront of the music industry.
  • Be part of a passionate and innovative team building a revolutionary platform.
  • Make a real impact on the future of music creation and distribution.

To Apply

If you are a talented Smart Contract Developer who is excited about the future of music and blockchain technology, we encourage you to apply!

Apply Now:

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Interop Labs Remote
About the role Interop Labs recently announced the Interchain Amplifier protocol. The Interchain Amplifier is a set of on-chain contracts and related services that enable integrators to easily connect chains and off-chain capabilities to the Axelar network. As an Integrations Engineer, you will steward the end-to-end technical process of integrating a blockchain to Axelar via Interchain Amplifier. You will play a pivotal role in researching new smart contract languages, virtual machines & alternative cryptographic verification methods in order to design bespoke technical specifications for integrating different blockchains to the network. You will work cross-functionally, primarily with Product and Engineering and potentially also Developer Relations & Business Development to help partners successfully achieve their goals through bespoke integrations and to constantly improve internal products and processes to provide a better developer exp

About the role

Interop Labs recently announced the Interchain Amplifier protocol. The Interchain Amplifier is a set of on-chain contracts and related services that enable integrators to easily connect chains and off-chain capabilities to the Axelar network. As an Integrations Engineer, you will steward the end-to-end technical process of integrating a blockchain to Axelar via Interchain Amplifier. You will play a pivotal role in researching new smart contract languages, virtual machines & alternative cryptographic verification methods in order to design bespoke technical specifications for integrating different blockchains to the network.

You will work cross-functionally, primarily with Product and Engineering and potentially also Developer Relations & Business Development to help partners successfully achieve their goals through bespoke integrations and to constantly improve internal products and processes to provide a better developer experience.

Your responsibilities

  • Act as the primary technical contact for developers, partners, and clients seeking to integrate their blockchain into Axelar’s interoperability network.
  • Understand customer needs and requirements, and translate them into actionable technical recommendations and solutions.
  • Provide guidance and technical assistance throughout the integration and implementation process, addressing challenges and ensuring successful outcomes. The assistance will cover Interchain Amplifier technical integration facets, which will primarily include but are not limited to:
    • Smart contract design and implementation.
    • Understanding safety guarantees and limitations of blockchains to integrate with Interchain Amplifier
    • Advice on integration into SDKs and API systems including Axelarscan and Relayers.
    • Establishing processes and automations around deployment, upgrades, monitoring and management of smart contracts and related deployment scripts.
    • Researching and establishing upfront chain parameters and configuration, including validator incentive programs, finality blocks, etc.

Your profile

  • Bachelor’s degree in Computer Science, Engineering, or a related field.
  • Proven experience of +3 years as an Integrations Engineer, Protocol Engineer, Smart Contract Engineer, or similar role within the blockchain industry.
  • Strong understanding of blockchain concepts, decentralized networks, and related technologies.
  • Proficiency in blockchain smart contract language(s) [i.e. Solidity, Rust, Move]
  • Excellent communication and presentation skills, with the ability to convey complex technical concepts to both technical and non-technical audiences.
  • Demonstrated experience in troubleshooting and problem-solving in technical environments.
  • Self-driven with the ability to work independently and as part of a collaborative team.
  • Strong organizational skills and ability to manage multiple projects simultaneously.
  • Willingness to adapt to a fast-paced start-up environment and embrace new challenges.
  • Prior experience working remotely or in a distributed team is a plus.

Why us?

  • Autonomous, distributed environment with the opportunity to work collaboratively in a diverse team across the world.
  • The scope to contribute to high impact work and really make a difference in a decentralized protocol.
  • The chance to challenge yourself whilst learning heaps of stuff in the process.
  • Unlimited time off throughout the year to rest and recharge.
  • Competitive compensation with stock options, experiencing growth from the initial phase.

About us

Interop Labs builds interoperability technology.

Interoperability between blockchains is crucial technology infrastructure for the growth of Web3 and the advancement of internet technology as a whole. Interop Labs is the initial developer of Axelar Network - the programmable Web3 interoperability platform, scaling the next generation of internet applications to billions of users. Axelar network’s key attributes are programmability, security and scalability.

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Reactive Network Remote
Reactive Network is a fully EVM-compatible execution layer that allows developers to create the next wave of dApps using Reactive Smart Contracts. These contracts differ from traditional ones by using Inversion-of-Control for the transaction lifecycle, driven by data flows across blockchain ecosystems rather than user input. Through the Relayer Network, Reactive Smart Contracts receive event logs from various chains, executing Solidity logic based on these events instead of user transactions. They can independently determine the need to transmit data to the destination chain, enabling conditional state changes. Reactive Network offers fast and cost-effective computation through a proprietary parallelized EVM implementation. Bounty Program: The Unicornization Bounty Program is an initiative by Reactive Network designed to identify and support the most promising ideas and projects that can be built on our platform. This program aims to br

Reactive Network is a fully EVM-compatible execution layer that allows developers to create the next wave of dApps using Reactive Smart Contracts. These contracts differ from traditional ones by using Inversion-of-Control for the transaction lifecycle, driven by data flows across blockchain ecosystems rather than user input.

Through the Relayer Network, Reactive Smart Contracts receive event logs from various chains, executing Solidity logic based on these events instead of user transactions. They can independently determine the need to transmit data to the destination chain, enabling conditional state changes. Reactive Network offers fast and cost-effective computation through a proprietary parallelized EVM implementation.

Bounty Program:

The Unicornization Bounty Program is an initiative by Reactive Network designed to identify and support the most promising ideas and projects that can be built on our platform. This program aims to bring together developers, both budding and seasoned, to contribute to our ecosystem while earning rewards.

How to Participate:

Developers can participate in various bounties designed to challenge and reward the creation of Reactive Smart Contracts or Reactive dApps that meet specified criteria. Successful submissions will earn Up to $1200. Types of Bounties:

Reactive Smart Contract Bounty:

  • Developers must create and submit an open GitHub repository with their smart contract code, including deploy scripts and detailed instructions.
  • Projects should demonstrate specified use cases and include workflow descriptions, transaction hashes, and cross-chain functionality using the Sepolia testnet.
  • Rewards: Up to $600 per bounty.

Reactive dApp Bounty:

  • Developers need to implement both the front end and backend, integrating Reactive Smart Contracts to fulfill the specified use cases.
  • Submissions must include a video demonstration and detailed documentation.
  • Reward: Up to $1200.

Judging Criteria:

  • Submissions will be judged by a panel of PARSIQ team members based on originality, functionality, and adherence to the specified requirements.
  • Best submissions in the Reactive Smart Contract and Reactive dApp categories will be awarded PRQ tokens.

Fast-Track Your Interview: Participating in the bounty program not only offers the chance to earn rewards but also to fast-track your interview process for potential roles at Reactive Network. Successfully completing and submitting bounty projects demonstrates your technical knowledge and familiarity with our platform, making you a prime candidate for further evaluation. Mention your interest in job opportunities in your cover letter when submitting your project to expedite the interview process.

Getting Started:

  1. Clone the repository and run the code from our GitHub.
  2. Utilize resources like the Reactive Testnet and Faucet. Review our Documentation and Educational Course to get up to speed.

This is a great opportunity to contribute to the Reactive Network ecosystem, gain recognition for your work, and earn rewards. We look forward to your innovative contributions and projects!

For more details, visit our Unicornization Bounty Program page.

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Aragon Europe
Aragon is a small team of people that spans a broad range of backgrounds, interests, and geographies. We’re entrepreneurs and Ph.D.s, technologists and skeptics, troublemakers and problem solvers, who are building unstoppable tooling for the creation and management of Decentralized Autonomous Organizations (DAOs). Aragon has overseen the production of the leading smart contract framework for DAOs, with toolkits for developers to seamlessly integrate their own apps with DAO functionality. As a Senior Smart Contract Developer at Aragon, you will be joining the OS squad, where you’ll play a pivotal role in building, maintaining, and shaping the future of the Aragon OSx protocol. Our platform empowers both in-house and third-party developers to craft the next wave of digital organizations. 💪 What do we expect from a Senior Smart Contract Developer? Transform developer needs into technical designs and production-ready code,

Aragon is a small team of people that spans a broad range of backgrounds, interests, and geographies. We’re entrepreneurs and Ph.D.s, technologists and skeptics, troublemakers and problem solvers, who are building unstoppable tooling for the creation and management of Decentralized Autonomous Organizations (DAOs).

Aragon has overseen the production of the leading smart contract framework for DAOs, with toolkits for developers to seamlessly integrate their own apps with DAO functionality.

As a Senior Smart Contract Developer at Aragon, you will be joining the OS squad, where you’ll play a pivotal role in building, maintaining, and shaping the future of the Aragon OSx protocol. Our platform empowers both in-house and third-party developers to craft the next wave of digital organizations.

💪 What do we expect from a Senior Smart Contract Developer?

  • Transform developer needs into technical designs and production-ready code, always considering the user.
  • Understand developer motivations behind choosing our protocol, ensuring their needs are reflected across the whole developer experience.
  • Lead projects from inception to live maintenance, emphasizing secure and high-quality delivery at every phase.
  • Exhibit deep expertise in Solidity, having not just deployed smart contracts but designed intricate contract architectures addressing real-world business challenges.
  • Own and champion one or more components of our tech stack, upkeeping in-depth documentation and being the “go to” source of truth, yet help ensure knowledge stays distributed across the team.
  • Foster enthusiastic collaboration with other product and engineering squads, further deepening everyone’s knowledge of the ever-expanding technologies of web3.
  • Engage in daily stand-ups, knowing when your expertise is critical, and step up to proactively solve your teammate’s challenges.

⚠️ Minimum requisites

  • 5+ years delivering software to real users, ideally in a fast-paced startup environment
  • Expert-level Solidity experience, including the design and optimization of advanced smart contract systems
  • Familiarity with or contributions to Ethereum EIPs
  • Mastery in JavaScript and, in particular, advanced Ethers.js functionality
  • Deep understanding of ENS integrations, meta-transactions, account abstraction, and Layer 2 solutions
  • Proven contributions to open-source projects within blockchain, cryptography, decentralized systems, or the broader web3 ecosystem
  • Understanding of how to work in an agile environment, using git flows, and tools like Jira and Github
  • Passionate about the possibilities of decentralized autonomous organizations and the impacts they may have on how humans work together to solve problems
  • Excellent English and technical communication - both written and oral
  • You are able to attend quarterly offsites - usually located in or around Europe - to work in person with your team

💡 Bonus skills

  • Strong foundation in smart contract security, with a history of successful audits and knowledge of common vulnerabilities
  • Experience or certification in formal verification of smart contracts
  • Knowledge or hands on experience working with other parts of our stack, like React, GraphQL, IPFS, and Hardhat
  • Demonstrated experience using Go or Rust
  • Proven mentoring skills, fostering a culture of growth and learning within teams

We value freedom and responsibility among our contributors. In practice, this means that we’re a remote distributed organization that’s flexible as to where you want to work and your schedule. We will trust you to accommodate and support your team, and communicate if you ever feel stretched thin.   You will get all of the resources needed to be effective, whether its for setting up your remote work environment or a personal development budget. This role reports to Aragon X, a Swiss AG dedicated to advancing the Aragon Project. We are an Equal Opportunity Employer supporting a community of DAO creators, developers, and users experimenting with new forms of social coordination and governance.

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RISC Zero Remote
🗓  Fri, Jul 12 AWS Blockchain Crypto Go Layer 1 Rust Solidity Travel Zero-knowledge 401k Flexible/unlimited PTO Health/medical insurance
About the Role As our Senior Software Engineer (Full-Stack Blockchain), you will be pivotal in advancing our ZK layer. Your role will drive the development and deployment of our technology, ensuring we meet immediate technical goals while setting the stage for long-term success and industry leadership. Key Responsibilities Lead the development and launch of the full ZK stack and mainnet, enabling users to deploy ZK applications independently. • Develop and integrate the marketplace and our universal ZK layer, ensuring ease of use and language agnosticism. • Collaborate with cross-functional teams to drive demand and unlock various use cases for our universal ZK layer. • Ensure the technology stack remains up-to-date and capable of supporting complex network changes and deployments. Top Initiatives You’ll Own  (over the first 3-6

About the Role

As our Senior Software Engineer (Full-Stack Blockchain), you will be pivotal in advancing our ZK layer. Your role will drive the development and deployment of our technology, ensuring we meet immediate technical goals while setting the stage for long-term success and industry leadership.

Key Responsibilities

  • Lead the development and launch of the full ZK stack and mainnet, enabling users to deploy ZK applications independently.

    • Develop and integrate the marketplace and our universal ZK layer, ensuring ease of use and language agnosticism.

    • Collaborate with cross-functional teams to drive demand and unlock various use cases for our universal ZK layer.

    • Ensure the technology stack remains up-to-date and capable of supporting complex network changes and deployments.

Top Initiatives You’ll Own  (over the first 3-6 months)

  • Launch the full ZK stack and mainnet, allowing for independent ZK app deployment.

  • In partnership with our proving and compiler teams, achieve extraordinary performance levels and compatibility with different programming languages.

  • Develop a comprehensive and user-friendly marketplace and our universal ZK layer, supporting various use cases and languages.

  • Establish RISC Zero as a leader in ZK application deployment, reducing barriers to entry and increasing industry adoption.

Minimum Qualifications

  • Extensive experience in engineering a layer 1 blockchain, ideally from its nascent state.

  • Mastery of Solidity alongside demonstrated proficiency in Rust, with secondary expertise in GoLang.

  • Proven experience in managing and deploying smart contracts.

  • Strong background in building and maintaining APIs, with experience working with cloud platforms like AWS.

  • Excellent verbal and written communication skills, with the ability to articulate complex ideas clearly.

  • Demonstrated leadership abilities with a track record of inspiring and guiding teams to achieve goals.

  • Proficiency in time management and prioritizing tasks effectively.

  • Ability to adapt quickly to new technologies and methodologies.

Ideal Candidate Qualities:

  • 🔒 Authenticity: Demonstrates ethical leadership, honesty, and transparency in all interactions.

  • 💖 Empathy: Shows understanding and concern for the well-being of team members, demonstrating a humane orientation to leadership.

  • 🌟 Resilience: Demonstrates positivity and resilience in the face of challenges, providing inspiration and motivation to the team.

  • 🌱 Growth Mindset: Encourages continuous learning and personal development within the team, focusing on the human dynamic and the unique needs and strengths of all stakeholders.

  • 🎯 Strategic Thinking: Exhibits the ability to think strategically and act decisively, balancing immediate needs with long-term goals.

  • 🌍 Inclusive Leadership: Champions diversity and inclusion, promoting equitable opportunities and treatment for all team members.

  • 🤝 Collaborative: Excels at breaking down silos and creating a "one team, one roadmap" culture. Has a strong ability to facilitate productive relationships across teams.

  • 👷🏾‍♀️ Builder: You’re a Creator and a Doer, you get the vision, create the strategy, and take ownership of building it

What We Offer

  • Salary: Competitive range of $237,600 - $261,600

  • Professional Development: Access to leadership coaching and numerous learning opportunities.

  • Work Flexibility: Remote work with up to 20% travel for team meetings and events, plus a Seattle co-working space.

  • Health Insurance: Comprehensive coverage with United Health Care Choice Plus (US employee), including significant premium contributions. Gold-level insurance for international employees via Deel.

  • Retirement Plan: 401k to support your future or statutory plans in your given country.

  • Equity: Generous company equity via Profit Incentive Units (PIUs), vesting monthly.

  • Vacation: Unlimited PTO, with 3-5 weeks standard.

  • Holidays: 11 paid holidays for rest and rejuvenation.

  • Culture: A supportive, collaborative, and inclusive work environment.

About Us

We're on a mission to transform the internet for the better. Our team of innovative hackers, visionary futurists, and passionate nerds is devoted to creating a digital space that's safe, inclusive, and empowers everyone. By developing the world's first zero-knowledge virtual machine, we've laid the groundwork for running arbitrary code as a zero-knowledge proof. Utilizing a ZK Coprocessor to assist or enhance the compute of an on-chain application, we have created a unique package - the RISC Zero ZK Coprocessor, comprised of the zkVM, Bonsai, and ETH Relay. Now, we're ambitiously constructing an entire ecosystem around this groundbreaking technology.

Before You Apply:

  • E-Verify: All U.S.-based employees must complete an E-Verify check.

  • Accessibility: Need accommodations? Contact us at email.

  • Work Authorization: Must have the legal right to work in the country you are located in. No visa sponsorships.

  • Privacy: By applying, you consent to the processing of your data per our privacy policy.

  • Compliance: We adhere to local labor laws. Employment terms are based on location. non US employees will be hired through our Employer of Record Deel.

  • Background Check: Final candidates before hired will undergo a background check.

  • Equal Opportunity: We welcome all qualified applicants, period.

  • Language Requirement: This position requires proficiency in English.

Apply Now:

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Spire Labs Remote
🗓  Thu, Jul 11 Crypto Ethereum Infrastructure Layer 1 Rust Solidity Pays in crypto
Spire Labs is building a Based Appchain framework on Ethereum. This “Based Stack” enables people to spin up app-specific L2s that are composable with Ethereum mainnet and other app chains. Also Preconfirmations are built on top of Spire’s core contracts. We use The Preconfirmation Gateway to power seamless preconfirmation integration with existing wallet and RPC infrastructure. The Spire team is distributed globally. We are passionate about building better infrastructure and supported by leading investors in crypto space. We will announce more details publicly soon. As the Rollup Framework Engineer, you will build smart contracts of Based Appchain Framework with team. Responsibilities Implementation of Rollup smart contracts in Solidity Take engineering projects from design to production while working with our developers to manage realistic roadmaps You may h

Spire Labs is building a Based Appchain framework on Ethereum. This “Based Stack” enables people to spin up app-specific L2s that are composable with Ethereum mainnet and other app chains.

Also Preconfirmations are built on top of Spire’s core contracts. We use The Preconfirmation Gateway to power seamless preconfirmation integration with existing wallet and RPC infrastructure.

The Spire team is distributed globally. We are passionate about building better infrastructure and supported by leading investors in crypto space. We will announce more details publicly soon.

As the Rollup Framework Engineer, you will build smart contracts of Based Appchain Framework with team.

Responsibilities

  • Implementation of Rollup smart contracts in Solidity
  • Take engineering projects from design to production while working with our developers to manage realistic roadmaps
  • You may have the opportunity to participate and talk in an event, conference or podcast

Requirements

  • Enthusiasm for the modular and rollup ecosystem
  • Proficiency with Solidity and/or Rust and competent with VMs.
  • Experience shipping and taking engineering projects to production

Nice to have

  • A deep understanding of fraud proofs and other rollup details
  • Familiarity with the AggLayer, Espresso, and other modular products.
  • A deep understanding of shared sequencing
  • Understanding of ZK and DA

Benefits

  • Unlimited vacation policy
  • Fully remote with flexible hours
  • Competitive salary + equity package
  • Regular team off-sites to international locations
  • Work alongside the brightest minds in the crypto space
  • Top-tier health, dental, and vision coverage for US employees
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ZetaChain US or CET Timezones
About ZetaChain ZetaChain aims to be the only blockchain you’ll ever need. It is a layer 1 blockchain and developer platform that connects any L1 and L2, from Ethereum to Bitcoin and beyond. Access all of crypto in one place, as a developer or user. ZetaChain prides itself on its vibrant and active community: Thriving Ecosystem: 1000+ dApps developed between testnet and mainnet Engagement: Over a million community members Live on Mainnet: Partnered with all major exchanges Activity: Network has over 2M unique addresses Well Funded: Raised over $27M Find out more about our ecosystem . Job Description We are seeking a dedicated Web3 Security Researcher to join our team and play a crucial role in identifying, analyzing, and mitigating security risks within our blockchain ecosystem. The ideal candidate will have a st

About ZetaChain

ZetaChain aims to be the only blockchain you’ll ever need. It is a layer 1 blockchain and developer platform that connects any L1 and L2, from Ethereum to Bitcoin and beyond. Access all of crypto in one place, as a developer or user.

ZetaChain prides itself on its vibrant and active community:

  • Thriving Ecosystem: 1000+ dApps developed between testnet and mainnet
  • Engagement: Over a million community members
  • Live on Mainnet: Partnered with all major exchanges
  • Activity: Network has over 2M unique addresses
  • Well Funded: Raised over $27M

Find out more about our ecosystem.

Job Description

We are seeking a dedicated Web3 Security Researcher to join our team and play a crucial role in identifying, analyzing, and mitigating security risks within our blockchain ecosystem. The ideal candidate will have a strong background as an auditor and deep technical knowledge of blockchain technologies.

Responsibilities

  • Conduct in-depth security research on ZetaChain’s protocol, smart contracts, and associated Web3 technologies
  • Collaborate with the development team to perform a security review on high risk PRs and implement other security improvements
  • Develop and implement innovative security testing methodologies specific to blockchain and DeFi environments
  • Analyze new and emerging attack vectors in the Web3 space and assess their potential impact on ZetaChain
  • Contribute to the company’s bug bounty program by validating and triaging reported vulnerabilities
  • Stay current with the latest developments in blockchain security and share knowledge with the team
  • Participate in security audits and penetration testing exercises
  • Assist in developing security guidelines and documentation for the ZetaChain ecosystem

Requirements

  • Location: Remote (US or CET Timezones)
  • 2+ years of experience in cybersecurity, with a focus on blockchain and Web3 technologies
  • Previous experience auditing Go code is required
  • Strong understanding of blockchain fundamentals, smart contract vulnerabilities, and DeFi-specific security risks
  • Proficiency in languages relevant to blockchain development and security (e.g., Solidity, Go, JavaScript)
  • Experience with security tools and techniques specific to blockchain environments
  • Familiarity with common attack vectors in Web3, such as flash loan attacks, reentrancy, and oracle manipulation
  • Strong analytical and problem-solving skills with attention to detail
  • Excellent communication skills and ability to explain complex security concepts to both technical and non-technical audiences

Preferred Qualifications

  • Experience with the Cosmos SDK and inter-blockchain communication protocols
  • Contributions to open-source blockchain security tools or research
  • Background in cryptography and its applications in blockchain technology
  • Participation in bug bounty programs or capture-the-flag (CTF) competitions
  • Experience implementing automated security tools

Why Work at ZetaChain

  • Remote Flexibility: Enjoy a flexible work environment with quarterly team meetups
  • Cutting-Edge Technology: Work on innovative blockchain solutions at the forefront of the industry
  • Impactful Role: Directly contribute to the security and reliability of a leading blockchain protocol
  • Continuous Learning: Stay updated with the rapidly evolving blockchain and security landscape
  • Collaborative Environment: Work alongside passionate professionals in blockchain and cybersecurity

How to Apply

If you’re excited about contributing to a revolutionary protocol, we’d love to hear from you. Please send your resume and a brief description of your relevant experience to email or reach out to us on Discord.

ZetaChain is committed to creating a diverse and inclusive work environment. We encourage applications from all qualified individuals regardless of race, color, religion, gender, sexual orientation, age, national origin, or disability status.

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Playfly New York, US
We are looking for the best of the best. People who love what they do and are legitimately excellent at it. Is this you? If you answered this with an unequivocal yes, then it might not be the best fit. We also want people who understand that no one knows everything, don't have egos, understand their own shortcomings and are excited to grow. We want people who are badass but also humble and care about helping their team. We want people who get shit done and give a shit. We want people who don't care about titles but care about results. We are asking for a lot. What we can offer you? - A legitimate meritocracy. We don't care if you fancy huh, we care if you are actually good at your job. Been passed over for the guy who's great at talking to the EVP about how you just need to move to microservices but just pushed several critical bugs to production? That wil
We are looking for the best of the best. People who love what they do and are legitimately excellent at it.
Is this you? 
If you answered this with an unequivocal yes, then it might not be the best fit. 
We also want people who understand that no one knows everything, don't have egos, understand their own shortcomings and are excited to grow.
We want people who are badass but also humble and care about helping their team. We want people who get shit done and give a shit. We want people who don't care about titles but care about results.
We are asking for a lot. What we can offer you? 
- A legitimate meritocracy. We don't care if you fancy huh, we care if you are actually good at your job. Been passed over for the guy who's great at talking to the EVP about how you just need to move to microservices but just pushed several critical bugs to production? That will not happen here.
- The ability to work with other people like you. And the joy of not having to work with people who aren't - no shitty devs, assholes, or devs who spend 2 hours a day working and 6 hours on TikTok and spreading office gossip.
- An intensive onboarding bootcamp where you will be challenged, tested, and learn a ton. While we don't like firing people or having them quit, we care more about guaranteeing #2 and this process is meant to weed people out who aren't a fit.
- A highly supportive atmosphere. We have a high standard for performance, but we will do everything we can to help each individual attain it. Everyone at all levels of the company is willing to pitch in and provide advice, mentorship, or even jump in to get our hands dirty coding, organizing the backlog, or talking to
clients when a team needs extra support. We're in this together. 
- The ability to work on some of the most exciting technical and product challenges that exist today. We work with clients, who bring us in to work on their most critical and important tasks because they know we can deliver and on our own internal projects which solve real needs. We also work on complex blockchain
projects with legitimate use cases. We also build best-in-class web and mobile applications and have some of the world's best data scientists.
- The ability to work on a range of projects in different fields, industries, and stacks for companies ranging from early-stage startups to enterprise.
- Competitive pay with regular performance-based raises and other fun stuff including company retreats, a really nice office, health and pet insurance, a cake to embarass you on your birthday, etc.STACK
You will be working mostly with JavaScript and libraries/frameworks in its ecosystem. 
- JavaScript / TypeScript 
- React / Angular / Nullstack 
- Node / Next.js / Apollo 
- EVMs / Solidity 
- Flow / Cadence 
- Solana / Metaplex / Rust 
- Truffle / Hardhat 
- web3.js / ethers.js 
- Everything else in the JavaScript ecosystem 
YOU WILL 
- Work Full-time. 
- Work with a 10x dev team. 
- Work in internal projects and client projects. 
- Build projects with a product focused mentality while keeping your code clean. 
- Build modern, efficient apps and test that they work correctly. 
- Constantly communicate with clients. 
- Review pull requests from other members of the team. 
- Have a founder mentality and proactively solve problems. 
- Wear any hats needed to get the job done. 
About You 
- Ability to communicate effectively and work exclusively in English. (This is a must) 
- A minimum of 5+ years of programming experience with our stack. 
- realizing in the middle of the night you forgot a major edge case that you can’t believe hasn’t burned you yet and need to fix asap
- git blaming some shitty code and realizing it was you, deciding to never git blame again
- having some super strong preference about the way something “needs to be done” that you read in a book, forum, conference or fancy colleague, being super militant about enforcing it and judgemental about people
who don’t already do it. and then realizing this was wrong 
- you had a stack you thought was universally superior but now you think people should just pick the right tool for the job
- being such an expert at something that you forget why anyone would think this is hard, then having to learn something new and sucking at it at first and remembering that programming actually is a skill, then getting
really great at that 
- Willing to work with new technologies, different environments. 
- Willing to work with everything and anything, Full Stack. 
- Experience working with Agile. 
- Growth mindset.
- Like your work and accomplish many things. 
- Ownership mentality. 
- Problem-solving skills. 
- Self-management skills. Can work independently/autonomously. 
Other Stuff About Us 
- Remote work. 
- Flexible schedule. 
- Monthly salary in USD. 
- Multi-company Equity. 
- Accountant that manages all the paperwork for you. 
- Health Insurance after 3 months. 
- English classes. 
- Free lunch everyday at the office (if you're there)! 
- Weekly talks, gather together with the team exchange knowledge. 
- Yearly retreat bringing together the whole team. 
THE INTERVIEW PROCESS 
- Coding test. 
- Meet with CTO
- Final interview. 
We are looking to hire people who think long term. People create exponentially more value here in their 3rd or 4th year rather than their 1st or 2nd, and that only increases.
- Disclaimer: If you leave on good terms, you can retain 20% of your equity if you continue to send leads our way, share our core values, etc. If you leave for project (or someone else's), you retain 100% of your equity. Folks create exponentially more value here in their 3rd and 4th years than their 1st or 2nd - we want folks
who think long-term like we do. 
Salary 
First 3 months: 12k - 16k USD 
3+ months: 16k - 20k USD
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Cryptology Limassol, Cyprus
About Us: Cryptology is a dynamic and fast-growing cryptocurrency exchange offering a range of services, including spot and derivatives trading. As we expand our product portfolio to include staking, credit card services, and more, we are seeking a talented Graphic Designer to join our marketing department. If you’re passionate about cryptocurrency and have a flair for design, we want to hear from you! Job Description: We are looking for a Developer of smart contracts on the TON blockchain to join our software development team and who will help us implement ideas for our new products. Key Responsibilities: Development, testing, and deployment of smart contracts on the TON blockchain Design and implementation of solutions for liquid staking Optimization and improvement of smart contracts E
About Us:
Cryptology is a dynamic and fast-growing cryptocurrency exchange offering a range of services, including spot and derivatives trading. As we expand our product portfolio to include staking, credit card services, and more, we are seeking a talented Graphic Designer to join our marketing department. If you’re passionate about cryptocurrency and have a flair for design, we want to hear from you!
Job Description:
We are looking for a Developer of smart contracts on the TON blockchain to join our software development team and who will help us implement ideas for our new products.
Key Responsibilities:
  • Development, testing, and deployment of smart contracts on the TON blockchain
  • Design and implementation of solutions for liquid staking
  • Optimization and improvement of smart contracts
  • Ensuring code security and reliability
  • Interaction with the product owner, development team, and other company departments
  • Participation in discussions on architecture and planning of new projects
  • Writing technical documentation and instructions for using developed solutions
Qualifications:
  • Experience in developing smart contracts on the TON blockchain
  • Knowledge of Fift and FunC programming languages
  • Understanding the basics of blockchain operation and decentralized applications
  • Skills in working with smart contract development and testing tools (e.g., TON Labs Developer Tools)
  • Experience working with APIs and SDKs for interacting with the TON blockchain
  • Understanding the principles of staking and liquid staking
  • Ability to work in a team and good communication skills
  • Independence and responsibility in task execution
Desired skills:
  • Experience with other blockchain platforms (e.g., Ethereum, Solana, Polkadot)
  • Knowledge of other programming languages for smart contract development (Solidity, Rust)
  • Experience in creating and managing staking pools
  • Understanding decentralized finance (DeFi) principles
  • Experience working in Agile/Scrum teams
  • Experience with JS/TS
Terms and benefits
  • Competitive salary;
  • Paid holiday;
  • Continuous professional development;
  • Energetic team without prejudice and with a sense of humor
We at Cryptology stand for equal opportunities, fairness and diversity. Therefore, the selection of candidates takes place regardless of race, nationality, gender, sexual orientation, religion, age, civil and marital status, and health condition. So, evaluate only your professional knowledge and experience, and apply.
Powered by JazzHR
h8PHJ52Ueg

Apply Now:

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Bridge San Francisco Bay Area US
🗓  Tue, Jul 9 Blockchain Computer Science Crypto Documentation Ethereum Fintech Infrastructure QA/Testing Solana Solidity Dental insurance Health/medical insurance Vision insurance
We believe that much like data moved to the cloud, dollars (and many other financial assets) will move on-chain. As this transition occurs, stablecoins will become core financial infrastructure. However, the current tools supporting stablecoin development have meaningfully limited adoption and utility. At Bridge ( www.bridge.xyz ), we want to change this by building infrastructure and tooling that is both easy to use, and regulated and compliant. We are a Series A startup, building largely in San Francisco, backed by some of the top VC’s in the space including Sequoia Capital. We have a small team of people who have previously built financial infrastructure at some of the world’s leading companies (Coinbase, Stripe, Square, Brex, Upstart, DoorDash, Airbnb) and each and every one of them chose Bridge because they fundamentally believe that stablecoins will be a critical piece of financial infrastructure that allows for the improvement

We believe that much like data moved to the cloud, dollars (and many other financial assets) will move on-chain. As this transition occurs, stablecoins will become core financial infrastructure. However, the current tools supporting stablecoin development have meaningfully limited adoption and utility. At Bridge (www.bridge.xyz), we want to change this by building infrastructure and tooling that is both easy to use, and regulated and compliant.

We are a Series A startup, building largely in San Francisco, backed by some of the top VC’s in the space including Sequoia Capital. We have a small team of people who have previously built financial infrastructure at some of the world’s leading companies (Coinbase, Stripe, Square, Brex, Upstart, DoorDash, Airbnb) and each and every one of them chose Bridge because they fundamentally believe that stablecoins will be a critical piece of financial infrastructure that allows for the improvement of global money movement.

About the Role

As one of the first blockchain engineers at Bridge, you will be given the autonomy to work on projects that are truly global in scale and aim to give customers access to products they've never had access to. Many of the use cases that we work on today didn't exist several months ago and that's because our team is dedicated to constant improvement for our partners and end users. Our Engineers have outsized ownership over projects so if you are looking for increased autonomy working on a completely greenfield opportunity, Bridge is the place for you.

Responsibilities

  • Design and develop blockchain-based applications and protocols to support stablecoin transactions and integrations.
  • Collaborate with cross-functional teams to understand business requirements and translate them into technical specifications.
  • Implement and maintain smart contracts, ensuring security and efficiency.
  • Perform thorough testing and debugging of blockchain applications.
  • Optimize blockchain performance and scalability.
  • Stay up-to-date with the latest developments in blockchain technology and integrate relevant advancements into our solutions.
  • Provide technical guidance and support to other team members.
  • Contribute to the overall architecture and design of our blockchain systems.

Qualifications

  • Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
  • We are open to hiring engineers at various levels of seniority but in general we would look for somebody with 3+ years of experience.
  • Strong proficiency in blockchain platforms such as Ethereum, Solana or others.
  • Experience with smart contract development using Solidity or other relevant languages.
  • Deep understanding of cryptographic principles and blockchain protocols.
  • Experience with decentralized finance (DeFi) and stablecoins is highly desirable.
  • Knowledge of security best practices in blockchain development.
  • An enlarged sense of ownership and the ability to lead and influence the design and direction of our products.
  • An ability to thrive in a fast paced environment.
  • A growth mindset and a constant curiosity and fearlessness to dive into the unknown.
  • Excellent written and verbal communication skills, including the ability to write clear technical documentation.

The salary range for this role is $170,000 to $240,000. We are open to a variety of seniority levels for this role and will build compensation packages that are commensurate with seniority and skill level while taking into account internal parity with our own team. Base salary is just one part of the overall compensation at Bridge. All Full-Time Employees are eligible for Employee Stock Options. We also offer a package of benefits including paid time off, medical/dental/vision insurance, life insurance, disability insurance, and 401(k) to regular full-time employees.

Apply Now:

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OpenZeppelin Remote
About us Founded in 2015 with the mission to protect the open economy, OpenZeppelin is the world leader in securing blockchain applications and smart contracts. Its bedrock open source Contract Libraries are a public good and industry standard for smart contract development. OpenZeppelin’s professional expertise, unified with the Defender developer security platform, integrates through clients’ development lifecycles, so teams can plan, code, audit, deploy and operate projects faster and more safely. Please note: Always refer to OpenZeppelin's official job page for the most accurate information about our open roles, as we have seen multiple third party job sites posting inaccurate information. <h3><strong>The Security Intergations team Team Blurb ❤️</st

About us

Founded in 2015 with the mission to protect the open economy, OpenZeppelin is the world leader in securing blockchain applications and smart contracts.

Its bedrock open source Contract Libraries are a public good and industry standard for smart contract development.

OpenZeppelin’s professional expertise, unified with the Defender developer security platform, integrates through clients’ development lifecycles, so teams can plan, code, audit, deploy and operate projects faster and more safely.

Please note: Always refer to OpenZeppelin's official job page for the most accurate information about our open roles, as we have seen multiple third party job sites posting inaccurate information.

<h3><strong>The Security Intergations team Team Blurb &acirc;&#157;&curren;&iuml;&cedil;&#143;</strong></h3>

The Security Integrations role is critical for supporting the Security Services team, ensuring robust and efficient operations across the organization. This role is central to our mission of providing secure and reliable blockchain solutions. By developing and maintaining various automation and integration tools, the Security Integrations Engineer enables the team to deliver top-notch security services effectively.

What you'll be doing

  • Create Defender Actions using JavaScript and TypeScript for Node.js, transforming blockchain events into actionable information.
  • Generate definitions using the Defender as Code Serverless plugin for monitoring and automation.
  • Implement automated testing and deployment to maintain system reliability and security.
  • Develop GitHub Actions to streamline data collection, analysis, simulation testing, and reporting for OpenZeppelin Audits.
  • Create analysis tools in Rust for Foundry, Hardhat, and Tenderly to ensure secure cross-chain interactions.
  • Use Python and Regular Expressions for data processing and threat detection.
  • Develop tests for smart contracts in Solidity for Foundry, and JavaScript/TypeScript for Hardhat.

You have

The ideal candidate for the Security Integrations role should have a strong technical background, specifically in blockchain technologies and automation. The following technical skills and proficiencies are required:

  • Experience in developing and testing smart contracts in Solidity and JavaScript/TypeScript.
  • Expertise in interacting with Ethereum blockchain and smart contracts including Familiarity with Etherscan and its functionalities
  • Advanced knowledge for configuration and data exchange using YAML and JSON
  • Proficiency in package management and dependency resolution with NPM and Yarn
  • Strong experience in Git version control and collaborative development.
  • Proficiency in navigating and scripting within Linux environments.
  • Experience in setting up and managing CI/CD pipelines through GitHub Actions
  • Intermediate skills in Python for data processing and scripting.
  • Strong problem-solving and communication skills in a collaborative and remote team environment

Nice to have

  • Experience with creating Defender Actions, setting up monitors, and using Infrastructure as Code.
  • Proficiency in Foundry, Hardhat, Tenderly for Ethereum smart contract development, testing, and debugging.
  • Expertise in optimizing Function-as-a-Service functions.
  • Strong experience in developing and testing smart contracts in Solidity.

Logistics:

Our interview process takes place on Zoom and tends to consist of the following stages:

  • Recruiter call (45 minutes)
  • Hiring Manager call (45 minutes)
  • Leadership call (30 minutes)
  • Paid work test (lasting up to 10 days)
  • Reference checks

Please let us know if you require any accommodations for the interview process, and we’ll do our best to provide assistance.

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Benefits

  • Company in-person gatherings in different locations around the world 😎
  • Fully remote work 🌎
  • Flexible time off 🏝
  • Paid parental leave for primary or second caregiver 💙
  • One time work-from-home equipment stipend of up to $500 USD 🪑
  • Co-working (up to $250/month) 👩‍💻
  • Medical coverage
  • Annual Learning & Development budget ðŸ§
  • Referral program
  • Work with a global team in a fast-growing industry 🚀

At OpenZeppelin, we are an equal opportunity employer and we value different perspectives. We are committed to building a diverse workforce. This includes but is not limited to gender, race, sexual orientation, religion, national origin and other characteristics that make each one of us unique. In this uniqueness, we find the most value. Come join us!

Apply Now:

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Parity Technologies BE Berlin, Berlin, Germany
Parity is one of the world's most experienced core blockchain infrastructure companies, having built and pioneered some of the most advanced technologies in the blockchain sector. Parity was founded by Dr. Gavin Wood, co-founder and former CTO of Ethereum, the primary engineer behind the Ethereum Virtual Machine (EVM), inventor of the Solidity programming language, and primary author of the Ethereum Yellowpaper. Based in Berlin, London, and Lisbon, Parity has built clients for Ethereum, Bitcoin, and Zcash and has pioneered a completely new, next-generation blockchain protocol with Polkadot and the framework it’s built with, Substrate. Parity builds the open-source technologies needed to power an unstoppable, decentralised web—known as Web3—and helps developers and organisations implement and build upon the Web3 tech stack. People in our collective are: Highly motivated to contribute to Parity’s mission and be part of something big

Parity is one of the world's most experienced core blockchain infrastructure companies, having built and pioneered some of the most advanced technologies in the blockchain sector. Parity was founded by Dr. Gavin Wood, co-founder and former CTO of Ethereum, the primary engineer behind the Ethereum Virtual Machine (EVM), inventor of the Solidity programming language, and primary author of the Ethereum Yellowpaper.

Based in Berlin, London, and Lisbon, Parity has built clients for Ethereum, Bitcoin, and Zcash and has pioneered a completely new, next-generation blockchain protocol with Polkadot and the framework it’s built with, Substrate. Parity builds the open-source technologies needed to power an unstoppable, decentralised web—known as Web3—and helps developers and organisations implement and build upon the Web3 tech stack.

People in our collective are:

  • Highly motivated to contribute to Parity’s mission and be part of something bigger
  • Excited to work on projects that are groundbreaking and complex
  • Autonomous workers that self-initiate, but also collaborate well with others
  • Taking maximum accountability and having minimum ego at work
  • Comfortable with chaos and adapting to the ever-changing Web3 space
  • Continuously educating themselves about Parity and the wider ecosystem

About the team:

The Product Engineering team Champion Polkadot technology, fostering vibrant communities and attracting new players. It drives success by supporting users, resolving challenges, and gathering valuable feedback to fuel organic growth and continuous improvements to the Polkadot protocol and ecosystem.

The Product Engineering team connects the Polkadot ecosystem's developers with Parity. We focus on streamlining the developer experience, from building and deploying to consuming Polkadot’s blockspace. We also influence Polkadot's product development decisions by providing valuable feedback and insights. This ensures that technological and strategic advancements align with the community's needs.

About the position:

  • Collecting technical feedback from the ecosystem to better comprehend and address their requirements.
  • Support Ecosystems to proficiently use polkadot technology
  • Design solutions with new onboarding customers
  • Capturing, evaluating, and presenting feedback for maximum positive impact.
  • Owning the launch of new solutions, updates, and improvements to ensure they meet ecosystem requirements.
  • Advocate the usage of polkadot technology according to the roadmap

About you:

  • Deep Dive into Customer Needs: Understand the specific requirements and challenges faced by Web3 developers within the Polkadot ecosystem.
  • Knowledge of the web3 spaces: main players in the web3 space and ecosystems.
  • Knowledge of Blockchain Technologies: Possess a good foundation in smart contract development (Solidity and/or Ink!/WASM) and broader blockchain technologies.
  • Polkadot & Beyond: Demonstrate knowledge in Polkadot's technology and architecture, while maintaining awareness of other Web3 platforms like Ethereum and Solana.
  • Continuous Learner: Foster a growth mindset, staying up-to-date with the evolving Web3 landscape.
  • Technical Advocate: Engage with customers, passionately advocating for the adoption of cutting-edge Web3 solutions powered by Parity Technologies.
  • Thrive in Dynamism: Embrace the complexity and fast-paced nature of the Web3 environment.
  • Polkadot Expertise Preferred: Prior experience working within the Polkadot ecosystem is a valuable asset but not required.

About working for us:

  • Competitive remuneration packages based on iterative market research, including tokens (where legally possible)
  • “Future of work” environment that’s remote-first and self-initiating with flexible hours
  • Team mates that are genuinely excited about their impact and projects
  • Access to the brightest minds in this space to learn about Web3 and develop your skills and knowledge while on the job
  • Becoming part of the wider ecosystem (career and networking opportunities)
  • Team and company-wide retreats
  • Work laptop
  • Opportunity to relocate to Germany or Portugal (with visa sponsorship)

Those joining our collective as an employee in Germany, Portugal, and the U.K. also enjoy benefits such as health care, parental leave, PTO (28 days per year) and local team events

Parity is an Equal Opportunity Employer. We welcome diversity in our global team and care about everyone in our collective feeling included and welcome.

View our Applicant Notice to see how we use your data.

Is this position not quite your match? Browse our other open roles.

Apply Now:

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Coinbase Remote
Coinbase Developer Platform (CDP) is building the developer tools to bring the world onchain. Today, onchain development is slow, risky, and painful, even for the most experienced onchain developers. Our goal is to bring a million developers onchain by creating an easy to use and trusted developer experience. We build API and SDK products for developers like wallets, paymaster, staking, stablecoins, onchain data, and more. We are a small team that moves like a startup at Coinbase, with a fast pace, strong ownership culture, and a relentless commitment to making developers happy. Coinbase Developer Platform and the Dev Portal is the destination for building and integrating web3 solutions, services, and products. We partner with other Coinbase products such as Base, Wallets-as-a-service, Staking, CB Pay, Advanced Trading, Commerce, Exchange so web3 developers can start building their onchain apps in minutes.

Coinbase Developer Platform (CDP) is building the developer tools to bring the world onchain.

Today, onchain development is slow, risky, and painful, even for the most experienced onchain developers. Our goal is to bring a million developers onchain by creating an easy to use and trusted developer experience. We build API and SDK products for developers like wallets, paymaster, staking, stablecoins, onchain data, and more.

We are a small team that moves like a startup at Coinbase, with a fast pace, strong ownership culture, and a relentless commitment to making developers happy.

Coinbase Developer Platform and the Dev Portal is the destination for building and integrating web3 solutions, services, and products. We partner with other Coinbase products such as Base, Wallets-as-a-service, Staking, CB Pay, Advanced Trading, Commerce, Exchange so web3 developers can start building their onchain apps in minutes.

This role is for Coinbase Commerce, a powerful payment processing platform that enables merchants to securely accept crypto payments. With its user-friendly interface and seamless integration capabilities, Coinbase Commerce simplifies the process of incorporating digital currencies into online businesses using Shopify, WooCommerce or other platforms like Farcaster to expand their reach to a global customer base.

What you'll be doing: 

  • Lead, manage, and mentor a team of talented, fullstack engineers, fostering a culture of excellence and innovation
  • Collaborate with cross-functional stakeholders, including product managers, designers, and business leaders, to define and execute the technical vision and roadmap for Coinbase Commerce
  • Drive the adoption of engineering best practices, including Agile methodologies, test-driven development and rapid continuous integration/continuous deployment 
  • Ensure the scalability, security, reliability of the Coinbase Commerce platform and work closely with the team to optimize performance and address technical challenges
  • Provide technical guidance and support to the team and facilitate technical discussions and decision-making processes
  • Contribute to the architectural design and development of key components and services for Coinbase Commerce by leveraging your crypto-native expertise and hands-on coding skills
  • Writing code, review pull requests, provide constructive feedback, and maintain high code quality standards, leading by example as an engineer at heart
  • Collaborate with other engineering leaders to align team goals and priorities with the broader organizational objectives
  • Drive the recruitment and hiring process for the Coinbase Commerce engineering team, actively seeking out crypto-native talent and individuals with a startup mindset
  • Manage the team's budget, resources, and capacity planning, and ensure the efficient allocation of resources to meet project deadlines and business goals
  • Monitor and report on key metrics and performance indicators, and use data-driven insights to continuously improve the team's processes and outcomes
  • Serve as a technical spokesperson for Coinbase Commerce, and represent the team in company-wide initiatives and external events in the crypto community

What we look for in you: 

  • 8+ years of experience in software engineering, with at least 3+ years of experience in engineering management
  • Strong technical background in fullstack development, with expertise in languages such as Ruby, Go, JavaScript, and TypeScript
  • Hands-on coding experience and the ability to contribute to the codebase, review pull requests, and provide technical guidance to the team
  • Experience in building and scaling high-performance, secure, and reliable payment processing systems in a crypto-native environment
  • Deep understanding of Ethereum and EVM-compatible chains, and hands-on experience with smart contract development using Solidity
  • Proven track record of leading and managing high-performing engineering teams in a fast-paced, agile, and crypto-focused startup environment
  • Excellent leadership, communication, and interpersonal skills, with the ability to inspire, motivate, and mentor team members in the dynamic crypto landscape
  • Strong problem-solving and decision-making abilities, with a focus on driving results and delivering value to the business and the broader crypto community
  • Experience with Agile methodologies, such as Scrum or Kanban, and a commitment to continuous improvement and learning
  • Familiarity with cloud platforms (AWS) and experience with containerization like Kubernetes
  • Deep understanding of web security best practices and experience with implementing secure coding practices for financial systems in the crypto space
  • Bachelor's or Master's degree in Computer Science, Software Engineering, or equivalent experience
  • Passion for Onchain/ Web3 and a deep understanding of the crypto ecosystem and its potential application

Job #: GDEM06NA

Pay Transparency Notice: Depending on your work location, the target annual salary for this position can range as detailed below. Full time offers from Coinbase also include target bonus + target equity + benefits (including medical, dental, vision and 401(k)).

Pay Range:

$211,650—$249,000 USD

Commitment to Equal Opportunity

Coinbase is committed to diversity in its workforce and is proud to be an Equal Opportunity Employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, creed, gender, national origin, age, disability, veteran status, sex, gender expression or identity, sexual orientation or any other basis protected by applicable law. Coinbase will also consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state and local law.  For US applicants, you may view the Know Your Rights notice here.  Additionally, Coinbase participates in the E-Verify program in certain locations, as required by law. 

Coinbase is also committed to providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please contact us at accommodations[at]coinbase.com to let us know the nature of your request and your contact information.  For quick access to screen reading technology compatible with this site click here to download a free compatible screen reader (free step by step tutorial can be found here).

Global Data Privacy Notice for Job Candidates and Applicants

Depending on your location, the General Data Protection Regulation (GDPR) and California Consumer Privacy Act (CCPA) may regulate the way we manage the data of job applicants. Our full notice outlining how data will be processed as part of the application procedure for applicable locations is available here. By submitting your application, you are agreeing to our use and processing of your data as required. For US applicants only, by submitting your application you are agreeing to arbitration of disputes as outlined here. 

Apply Now:

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Coinbase Remote
Coinbase Developer Platform (CDP) is building the developer tools to bring the world onchain. Today, onchain development is slow, risky, and painful, even for the most experienced onchain developers. Our goal is to bring a million developers onchain by creating an easy to use and trusted developer experience. We build API and SDK products for developers like wallets, paymaster, staking, stablecoins, onchain data, and more. We are a small team that moves like a startup at Coinbase, with a fast pace, strong ownership culture, and a relentless commitment to making developers happy. Coinbase Developer Platform and the Dev Portal is the destination for building and integrating web3 solutions, services, and products. We partner with other Coinbase products such as Base, Wallets-as-a-service, Staking, CB Pay, Advanced Trading, Commerce, Exchange so web3 developers can start building their onchain apps in minutes.

Coinbase Developer Platform (CDP) is building the developer tools to bring the world onchain.

Today, onchain development is slow, risky, and painful, even for the most experienced onchain developers. Our goal is to bring a million developers onchain by creating an easy to use and trusted developer experience. We build API and SDK products for developers like wallets, paymaster, staking, stablecoins, onchain data, and more.

We are a small team that moves like a startup at Coinbase, with a fast pace, strong ownership culture, and a relentless commitment to making developers happy.

Coinbase Developer Platform and the Dev Portal is the destination for building and integrating web3 solutions, services, and products. We partner with other Coinbase products such as Base, Wallets-as-a-service, Staking, CB Pay, Advanced Trading, Commerce, Exchange so web3 developers can start building their onchain apps in minutes.

This role is for Coinbase Commerce, a powerful payment processing platform that enables merchants to securely accept crypto payments. With its user-friendly interface and seamless integration capabilities, Coinbase Commerce simplifies the process of incorporating digital currencies into online businesses using Shopify, WooCommerce or other platforms like Farcaster to expand their reach to a global customer base.

What you'll be doing: 

  • Lead the design, development, and maintenance of scalable, secure, and high-performance fullstack systems for Coinbase Commerce using Ruby, Go, JavaScript, TypeScript, and Solidity
  • Drive the technical vision and strategy for Coinbase Commerce, ensuring alignment with business goals and industry best practices
  • Collaborate with cross-functional teams to define and prioritize features, improvements, and integrations that drive the growth and success of Coinbase Commerce
  • Develop and optimize smart contracts using Solidity for EVM-compatible blockchains to enable seamless crypto payment processing
  • Design and implement highly interactive, responsive, and user-friendly frontend interfaces using modern frameworks like React or Angular
  • Optimize frontend and backend performance, ensuring fast transaction processing, smooth UI interactions, and efficient resource utilization
  • Architect and implement secure, reliable, and well-documented APIs for Coinbase Commerce
  • Troubleshoot and debug complex fullstack issues, ensuring platform stability, reliability, and security
  • Drive the adoption of best practices in software development, testing, and deployment, and contribute to the continuous improvement of our engineering processes
  • Provide technical guidance and support to other engineering teams, and contribute to the overall technical direction of Coinbase

What we look for in you: 

  • 8+ years of experience in software development with a strong focus on fullstack development
  • Mastery of Go, JavaScript, TypeScript, and Solidity; familiarity with Ruby is a plus
  • Deep understanding of Ethereum and EVM-compatible chains and experience with developing smart contracts
  • Proven track record of designing, developing, and shipping high-quality, scalable fullstack systems for payment processing platforms
  • Strong expertise in frontend development using modern frameworks like React or Angular, and experience with state management libraries like Redux or NgRx
  • Solid understanding of distributed systems, microservices architecture, and event-driven architectures
  • Experience with databases (PostgreSQL, MySQL, MongoDB), caching systems (Redis, Memcached), and message queues (Kafka, RabbitMQ)
  • Comprehensive knowledge of RESTful API design principles and experience with API development, integration and authentication protocols like OAuth and JWT
  • Familiarity with AWS and expertise in containerization like Kubernetes
  • Deep understanding of web security best practices and experience with implementing secure coding practices for financial systems
  • Exceptional problem-solving skills and ability to find elegant solutions to complex challenges in the crypto payment processing domain
  • Outstanding communication, leadership, and collaboration skills, with the ability to inspire and mentor teams
  • Bachelor's or Master's degree in Computer Science, Software Engineering, or equivalent experience
  • Passion for Onhain/Web3 and a deep understanding of the crypto ecosystem and its potential applications

Job #: GDFS06NA

Pay Transparency Notice: Depending on your work location, the target annual salary for this position can range as detailed below. Full time offers from Coinbase also include target bonus + target equity + benefits (including medical, dental, vision and 401(k)).

Pay Range:

$211,650—$249,000 USD

Commitment to Equal Opportunity

Coinbase is committed to diversity in its workforce and is proud to be an Equal Opportunity Employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, creed, gender, national origin, age, disability, veteran status, sex, gender expression or identity, sexual orientation or any other basis protected by applicable law. Coinbase will also consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state and local law.  For US applicants, you may view the Know Your Rights notice here.  Additionally, Coinbase participates in the E-Verify program in certain locations, as required by law. 

Coinbase is also committed to providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please contact us at accommodations[at]coinbase.com to let us know the nature of your request and your contact information.  For quick access to screen reading technology compatible with this site click here to download a free compatible screen reader (free step by step tutorial can be found here).

Global Data Privacy Notice for Job Candidates and Applicants

Depending on your location, the General Data Protection Regulation (GDPR) and California Consumer Privacy Act (CCPA) may regulate the way we manage the data of job applicants. Our full notice outlining how data will be processed as part of the application procedure for applicable locations is available here. By submitting your application, you are agreeing to our use and processing of your data as required. For US applicants only, by submitting your application you are agreeing to arbitration of disputes as outlined here. 

Apply Now:

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Coinbase Remote
Coinbase Developer Platform (CDP) is building the developer tools to bring the world onchain. Today, onchain development is slow, risky, and painful, even for the most experienced onchain developers. Our goal is to bring a million developers onchain by creating an easy to use and trusted developer experience. We build API and SDK products for developers like wallets, paymaster, staking, stablecoins, onchain data, and more. We are a small team that moves like a startup at Coinbase, with a fast pace, strong ownership culture, and a relentless commitment to making developers happy. Coinbase Developer Platform and the Dev Portal is the destination for building and integrating web3 solutions, services, and products. We partner with other Coinbase products such as Base, Wallets-as-a-service, Staking, CB Pay, Advanced Trading, Commerce, Exchange so web3 developers can start building their onchain apps in minutes.

Coinbase Developer Platform (CDP) is building the developer tools to bring the world onchain.

Today, onchain development is slow, risky, and painful, even for the most experienced onchain developers. Our goal is to bring a million developers onchain by creating an easy to use and trusted developer experience. We build API and SDK products for developers like wallets, paymaster, staking, stablecoins, onchain data, and more.

We are a small team that moves like a startup at Coinbase, with a fast pace, strong ownership culture, and a relentless commitment to making developers happy.

Coinbase Developer Platform and the Dev Portal is the destination for building and integrating web3 solutions, services, and products. We partner with other Coinbase products such as Base, Wallets-as-a-service, Staking, CB Pay, Advanced Trading, Commerce, Exchange so web3 developers can start building their onchain apps in minutes.

Our self-custodial Staking API offers programmatic access to Coinbase's best-in-class staking validators and rewards data. The Coinbase Staking API empowers you to deliver a fully-featured staking experience for your users with one common interface across protocols. We offer users access to various protocols with more being added on a regular basis.

What you’ll be doing:

  • Design, develop, and maintain highly interactive, responsive, and user-friendly services with focus on developer ergonomic for Coinbase Staking using Golang, TypeScript, and Solidity
  • Collaborate with backend engineers to integrate our SDK with APIs and smart contracts for seamless staking
  • Implement new features, enhancements, and optimizations to drive the growth and success of Coinbase Staking
  • Optimize developer ergonomics, ensuring a smooth developer experience
  • Develop and maintain reusable, modular, and well-documented public SDKs
  • Troubleshoot and debug complex on and off chain issues
  • Collaborate with external and internal developer  to implement an intuitive experience 
  • Contribute to the development of our design system and smart contract best practices
  • Participate in code reviews and provide constructive feedback to maintain high code quality standards

What we look for in you:

  • 5+ years of experience in software development, with a focus on both backend and smart contract development
  • Mastery of Golang, Solidity, and TypeScript; familiar with Ruby is a plus
  • Experience in smart contract engineering and their interactions with off chain systems
  • Experience with integrating backend APIs with open source SDKs
  • Familiarity with different testing frameworks, patterns, and experience with writing unit and integration tests
  • Knowledge of Onchain to backend system interaction best practices to ensure a smooth staking experience
  • Understanding of Onchain security best practices and experience with implementing secure coding practices for financial systems
  • Strong problem-solving skills and ability to find elegant solutions to complex challenges in the crypto staking space
  • Excellent communication and collaboration skills, with the ability to work closely with designers, backend engineers, and product managers
  • Bachelor's or Master's degree in Computer Science, Software Engineering, or equivalent experience
  • Passion for Onchain/Web3 and understanding of blockchain technologies, particularly Ethereum and EVM-compatible chains

Job #: GDSCE05US

Pay Transparency Notice:  Depending on your work location, the target annual salary for this position can range from $[Zone 3 Pay] to $[Zone 1 Pay] + target bonus + target equity + benefits (including medical, dental, vision and 401(k)).

Pay Transparency Notice: Depending on your work location, the target annual salary for this position can range as detailed below. Full time offers from Coinbase also include target bonus + target equity + benefits (including medical, dental, vision and 401(k)).

Pay Range:

$180,625—$212,000 USD

Commitment to Equal Opportunity

Coinbase is committed to diversity in its workforce and is proud to be an Equal Opportunity Employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, creed, gender, national origin, age, disability, veteran status, sex, gender expression or identity, sexual orientation or any other basis protected by applicable law. Coinbase will also consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state and local law.  For US applicants, you may view the Know Your Rights notice here.  Additionally, Coinbase participates in the E-Verify program in certain locations, as required by law. 

Coinbase is also committed to providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please contact us at accommodations[at]coinbase.com to let us know the nature of your request and your contact information.  For quick access to screen reading technology compatible with this site click here to download a free compatible screen reader (free step by step tutorial can be found here).

Global Data Privacy Notice for Job Candidates and Applicants

Depending on your location, the General Data Protection Regulation (GDPR) and California Consumer Privacy Act (CCPA) may regulate the way we manage the data of job applicants. Our full notice outlining how data will be processed as part of the application procedure for applicable locations is available here. By submitting your application, you are agreeing to our use and processing of your data as required. For US applicants only, by submitting your application you are agreeing to arbitration of disputes as outlined here. 

Apply Now:

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Cryptology Remote
Cryptology is a full-featured next-generation asset trading platform. With us one can easily and efficiently sell, buy, exchange and invest cryptocurrency. What is special about us? Reliability. This is the most important criterion in our everyday-changing world. You can trust us. Trust us with your assets, accounts, financial plans and your future. We have 7 years of experience! We have more than 100 people in our team! Job Description: We are looking for a Developer of smart contracts on the TON blockchain to join our software development team and who will help us implement ideas for our new products. Key Responsibilities: • Development, testing, and deployment of smart contracts on the TON blockchain. • Design and implementation of solutions for liquid staking. • Optimization and improvement of smart contracts. • Ensuring code sec

Cryptology is a full-featured next-generation asset trading platform. With us one can easily and efficiently sell, buy, exchange and invest cryptocurrency.

What is special about us?

Reliability. This is the most important criterion in our everyday-changing world. You can trust us. Trust us with your assets, accounts, financial plans and your future. We have 7 years of experience! We have more than 100 people in our team!

Job Description:

We are looking for a Developer of smart contracts on the TON blockchain to join our software development team and who will help us implement ideas for our new products.

Key Responsibilities:

• Development, testing, and deployment of smart contracts on the TON blockchain.

• Design and implementation of solutions for liquid staking.

• Optimization and improvement of smart contracts.

• Ensuring code security and reliability.

• Interaction with the product owner, development team, and other company departments.

• Participation in discussions on architecture and planning of new projects.

• Writing technical documentation and instructions for using developed solutions.

Qualifications:

• Experience in developing smart contracts on the TON blockchain.

• Knowledge of Fift and FunC programming languages.

• Understanding the basics of blockchain operation and decentralized applications.

• Skills in working with smart contract development and testing tools (e.g., TON Labs Developer Tools).

• Experience working with APIs and SDKs for interacting with the TON blockchain.

• Understanding the principles of staking and liquid staking.

• Ability to work in a team and good communication skills.

• Independence and responsibility in task execution.

Desired skills:

• Experience with other blockchain platforms (e.g., Ethereum, Solana, Polkadot).

• Knowledge of other programming languages for smart contract development (Solidity, Rust).

• Experience in creating and managing staking pools.

• Understanding decentralized finance (DeFi) principles.

• Experience working in Agile/Scrum teams.

• Experience with JS/TS.

Terms and benefits:

• Competitive salary;

• Paid holiday;

• Continuous professional development;

• Energetic team without prejudice and with a sense of humor.

We at Cryptology stand for equal opportunities, fairness and diversity. Therefore, the selection of candidates takes place regardless of race, nationality, gender, sexual orientation, religion, age, civil and marital status, and health condition. So, evaluate only your professional knowledge and experience, and apply.

Apply Now:

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Gelato Network Remote
Gelato is an all-in-one Ethereum Rollup as a Service Platform built without limits. Designed to be super-fast, incredibly secure, and infinitely scalable, Gelato rollups allow anyone to build and deploy their fully serviced Layer 2 chains on Arbitrum, Optimism, Polygon, Celestia and more at a pace natively integrated with Web3’s favorite tools and services like Etherscan, The Graph, Pyth, Layer Zero and many more launching a production-ready web3 development environment from the Genesis block. What we offer: Join one of the most technically robust teams in the crypto space , operating in a fully remote environment with our headquarters located in the crypto hub of Zug, Switzerland. Play a pivotal role in shaping the future of blockchain , by contributing to the development of Gelato’s Rollup-As-A-Service Platform, already trusted by leading projects like Lisk and Astar Network.

Gelatois an all-in-one Ethereum Rollup as a Service Platform built without limits. Designed to be super-fast, incredibly secure, and infinitely scalable, Gelato rollups allow anyone to build and deploy their fully serviced Layer 2 chains on Arbitrum, Optimism, Polygon, Celestia and more at a pace natively integrated with Web3’s favorite tools and services like Etherscan, The Graph, Pyth, Layer Zero and many more launching a production-ready web3 development environment from the Genesis block.

What we offer:

  • Join one of the most technically robust teams in the crypto space, operating in a fully remote environment with our headquarters located in the crypto hub of Zug, Switzerland.
  • Play a pivotal role in shaping the future of blockchain, by contributing to the development of Gelato’s Rollup-As-A-Service Platform, already trusted by leading projects like Lisk and Astar Network.
  • Dive deep into cutting-edge Web3 technologies with exposure to Gelato’s premier Middleware Services stack, including Gelato Web3 Functions and Gelato Relay, foundational to top-tier applications such as MakerDAO, Connext, Abracadabra, and Pancakeswap.
  • Earn and have a say with the GEL Token package, granting you a stake in the network’s future and a voice in the strategic direction of the project.
  • Be backed by the best, with support from world-class investors including Dragonfly, IOSG, Galaxy Digital, ParaFi, Gnosis, and renowned figures like Stani Kulechov among others, securing your position at the forefront of the Web3 revolution.

Responsibilities:

  • Master diverse Ethereum Rollup technologies including Arbitrum, Optimism, Polygon, zkSync, and more, preparing for deployment, operation, debugging, and enhancement activities.
  • Architect a high-impact decentralized network, focusing on scalability to manage a sequencer and RPC node infrastructure that processes millions of transactions and handles billions of RPC requests daily.
  • Deepen your expertise in Zero Knowledge proofs, embracing the challenge of working with ZK-EVM stacks and pushing the boundaries of privacy and scalability in blockchain.
  • Embrace full ownership of your code with a proactive approach to DevOps, ensuring robust deployment and real-time monitoring in collaboration with our Infrastructure team.
  • Innovate within Rollup ecosystems, designing and implementing groundbreaking features like Decentralized Sequencing, Eigenlayer restaking, peer-to-peer messaging, threshold signatures, and trust-minimized off-chain computation.
  • Enhance network security and resilience, creatively identifying potential attack vectors and failure points, establishing reproducible testing environments, and crafting strategic fixes.
  • Develop and refine recovery protocols for our core node software, ensuring system robustness and rapid response to unforeseen events.
  • Build and maintain distributed systems designed for exceptional reliability across diverse blockchain environments, setting new standards for uptime and performance.

Requirements

  • You can work with high autonomy from research, spec, implementation, deployment, monitoring and patching your code
  • Strong written and verbal English communication skills
  • You are comfortable with both DevOps and Software Engineering
  • You have extensive experience in shipping production-grade code that handles thousands of user interactions or transactions
  • Extensive knowledge about the inner workings of the Ethereum client architecture and especially its EVM execution client geth
  • Strong knowledge about the inner workings of the various Ethereum rollup clients including but not limited to op-geth, understand the underlying components, and have opinions about the various trade-offs of those components and platforms
  • Have a deep understanding of the EVM and how external tooling integrates with it
  • 8 years experience with Golang/Rust/C++
  • 2 years experience with DevOps - Terraform, Ansible, GCP/AWS, Docker, Kubernetes
  • 3 years experience with p2p network technologies such as libp2p
  • 3 year experience with Web3 libraries and backend development (e.g. ethers.js, viem)
  • 2 years experience with Node.js/TypeScript
  • 2 year experience with Solidity
  • Strong experience with high throughput database systems
  • Strong experience with maintaining scalable microservices systems
  • Strong experience with distributed systems and/or container orchestration
  • Strong interest in Web3/crypto industry
  • Experience using crypto applications (e.g. Uniswap, Aave, etc.)
  • B.S. or higher in computer science, software engineering or related technical field

Technologies we use and teach:

  • GETH and its various Rollup forks
  • Golang/Rust
  • Node.js/TypeScript
  • libp2p
  • RabbitMQ
  • Redis
  • GCP (less AWS)
  • Ethers.js
  • Subgraphs

Benefits

  • Work very autonomously
  • Generous GEL token package
  • Competitive Salary
  • Work together with one of the best technical teams on Ethereum
  • Build relationships with top teams which are already Gelato users, including MakerDAO, Optimism, Pancakeswap and many more
  • Chance to travel the world to go to exciting events and connect with key players in this industry
  • Join amazing in-person offsites all over the world
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DBForest United States New York US
We're seeking a visionary Head of Protocol to lead the development of our decentralized cloud services marketplace, the cornerstone of our ecosystem. This highly technical role demands deep expertise in protocol design, distributed systems and cloud infrastructure. Company: DB Forest is a decentralized managed database marketplace. aka "Akash for cloud databases" or "Filecoin for Managed Databases". A decentralized database market where anyone can rent or sell managed private cloud databases using crypto pay masters. DB Forest is designed to solve the problem of cloud vendor lock in freeing up the industry to have real fair market competition and hence drive prices down for the benefit of all. Particularly we are motivated by opening the market for smaller cloud providers by making it easier to compete with the AWS / Azure duopoly. This is a David and Goliath st

We're seeking a visionary Head of Protocol to lead the development of our decentralized cloud services marketplace, the cornerstone of our ecosystem. This highly technical role demands deep expertise in protocol design, distributed systems and cloud infrastructure.

Company:
DB Forest is a decentralized managed database marketplace. aka "Akash for cloud databases" or "Filecoin for Managed Databases".
A decentralized database market where anyone can rent or sell managed private cloud databases using crypto pay masters.
DB Forest is designed to solve the problem of cloud vendor lock in freeing up the industry to have real fair market competition and hence drive prices down for the benefit of all.
Particularly we are motivated by opening the market for smaller cloud providers by making it easier to compete with the AWS / Azure duopoly. This is a David and Goliath story.
You will work in a team of highly enthusiastic people who believe they can change the cloud market. All team members have significant experience in the field and are willing to share their knowledge and skills.
Requirements
You Bring:
Most importantly you bring a desire to take leadership and ownership of protocol design.

  • Strong Solidity skills
  • Rust is a plus
  • Javascript we assume everyone knows
  • Linux and git we also assume everyone knows
  • Strong knowledge of different token models
  • mining, staging
  • yields, burning
  • vesting and allocations
  • Understanding of existing token model implementations by different projects
  • Good understanding of decentralized governance and DAO’s
Responsibilities:
  • Design Tokenomics to maximize long term incentive for quality service providers
  • Choose token lock up contract
  • Choose the foundation & treasury DAO contracts
  • Design and deploy L2 App Chain ( choice of IPC.space , Cosmos , OpStack ... )
  • Identify high value protocol integrations ( EigenLayer AVS , LayerZero , filecoin , Innovation Game, SAFE ... )
  • Design a decentralized database secrets exchange
  • Design a database benchmarking protocol that discourages collusion
  • Tokenomic affiliate rewards for brining non sybil users to the platform
  • Coordination of Opensource contribution
Benefits
Salary Range is Total compensation with founding team allocation & stock options.
Expect Significant team allocation at TGE.
Travel to all major crypto conferences
Full remote work in a remote first team
World wide WeWork membership so you can have your own place to work from

Apply Now:

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Superstate New York City
🗓  Sat, Jul 6 Blockchain Computer Science Crypto Ethers.js Fintech PostgreSQL React.js Rust SQL Solidity Svelte TypeScript Web3.js Dental insurance Health/medical insurance Vision insurance
Tired of the inefficiencies and complexities of traditional finance? We are too. At Superstate, we create investment products that benefit from the speed, programmability, and compliance advantages of blockchain tokenization. As a senior full stack engineer at Superstate, you will help lead our team in building well designed user experiences that are unique, trustworthy and scalable across all Superstate frontend properties. You will also be given the opportunity to influence the direction, design and execution of all future product experiences. What you'll do Lead long term technical direction and vision for maintaining and scaling our web products Build functional UI elements from design mocks, with an emphasis on performance, reliability and accessibility Work with Product, Design and Engineering to implement a func
Tired of the inefficiencies and complexities of traditional finance? We are too. At Superstate, we create investment products that benefit from the speed, programmability, and compliance advantages of blockchain tokenization.
As a senior full stack engineer at Superstate, you will help lead our team in building well designed user experiences that are unique, trustworthy and scalable across all Superstate frontend properties. You will also be given the opportunity to influence the direction, design and execution of all future product experiences.

What you'll do

    • Lead long term technical direction and vision for maintaining and scaling our web products
    • Build functional UI elements from design mocks, with an emphasis on performance, reliability and accessibility
    • Work with Product, Design and Engineering to implement a functional, user-friendly and delightful experience
    • Build a unified >
    • Enthusiastically collaborate with a small team, owning and planning projects for long-term impact
    • Teach and mentor other engineers

What you'll bring to the team

    • Bachelor’s degree in Computer Science or a related technical field5+ years of professional engineering experience
    • 5+ years of professional engineering experience
    • Proven track record in developing web applications and shipping user facing features
    • Familiarity with current trends and best practices in front-end architecture, including performance, security and usability
    • Familiarity with the current DeFi ecosystem
    • Exceptional judgment, strategic thinking and creative problem-solving skills with a strong analytical mindset

Bonus points if you have experience with these technologies

    • TypeScript
    • Svelte
    • Frontend technologies like React, HTML, and CSS
    • Web3 frontend stack, such as web3.js, ethers.js, etc.
    • Experience creating component libraries
    • Functional programming language experience
    • Postgres or SQL
    • Rust
    • Experience with Solidity

Benefits + Perks

    • Competitive compensation
    • Equity ownership
    • Flexible vacation policy
    • Paid parental leave
    • Full medical, dental, and vision insurance
We are an equal opportunity employer and value diversity at our company. We welcome qualified candidates of all races, creeds, genders, age, veteran status and sexuality to apply.
Founded in 2023, Superstate is backed by leading investors including Distributed Global, CoinFund, Breyer Capital, Galaxy, ParaFi, 1kx, and Cumberland.

Apply Now:

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Superstate New York City
Tired of the inefficiencies and complexities of traditional finance? We are too. At Superstate, we create investment products that benefit from the speed, programmability, and compliance advantages of blockchain tokenization. As an engineer at Superstate, you'll play a pivotal role in shaping the future of tokenized assets. You'll work on blockchain-integrated systems that allow investors to self-custody financial assets, and design the systems, APIs, and infrastructure to make finance itself more efficient. What you'll do Build back-end web services that interact with blockchains and traditional finance Build out APIs and integrations with our partner custodians Design and build out an internal Transfer Agent Lead, build and test our infrastructure as code efforts Build
Tired of the inefficiencies and complexities of traditional finance? We are too. At Superstate, we create investment products that benefit from the speed, programmability, and compliance advantages of blockchain tokenization.
As an engineer at Superstate, you'll play a pivotal role in shaping the future of tokenized assets. You'll work on blockchain-integrated systems that allow investors to self-custody financial assets, and design the systems, APIs, and infrastructure to make finance itself more efficient.

What you'll do

    • Build back-end web services that interact with blockchains and traditional finance
    • Build out APIs and integrations with our partner custodians
    • Design and build out an internal Transfer Agent
    • Lead, build and test our infrastructure as code efforts
    • Build and own our alerting and monitoring infrastructure
    • Enthusiastically collaborate with a small team, owning and planning projects for long-term impact
    • Teach and mentor other engineers

What you'll bring to the team

    • Bachelor’s degree in Computer Science or a related technical field
    • 9+ years of professional engineering experience
    • Expertise in building fault tolerant, high performance, and highly available cloud infrastructure in AWS
    • Deep Rust experience
    • Familiarity building web-services for highly-trafficked websites
    • Familiarity with SQL, query planning and optimization
    • Familiarity with the current DeFi ecosystem
    • Exceptional judgment, strategic thinking and creative problem-solving skills with a strong analytical mindset

Bonus points if you have experience with these technologies

    • Pulumi or Terraform
    • AWS - Fargate, RDS, Cloudfront, EC2, ECS, Nitro Enclave
    • Cloudflare
    • Postgres
    • Docker
    • Typescript
    • Layer 2 blockchains (e.g. Arbitrum, Optimism) and cross-chain bridges
    • Solidity or Yul
    • Foundry

Benefits & Perks

    • Competitive compensation
    • Equity ownership
    • Flexible vacation policy
    • Paid parental leave
    • Full medical, dental, and vision insurance
We are an equal opportunity employer and value diversity at our company. We welcome qualified candidates of all races, creeds, genders, age, veteran status and sexuality to apply.
Founded in 2023, Superstate is backed by leading investors including Distributed Global, CoinFund, Breyer Capital, Galaxy, ParaFi, 1kx, and Cumberland.

Apply Now:

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idOS Remote
What is the idOS? The idOS network is the decentralized, self-sovereign, compliant identity layer of web3. We make KYC credentials as movable as tokens, across different chains and ecosystems. We’re in production with a few select partners, and are currently pushing towards v1 just in time for the next mass adoption cycle. The core of idOS is a permissioned blockchain deployment (based on Kwil ), running extensions (written in Golang) that connect to several blockchains (EVMs, NEAR, and more to come). We also develop a TypeScript SDK to make integration as effortless as possible. Some of our current tech challenges are: expanding support across even more chains (more EVMs, Solana, etc) making idOS even easier to understand and integrate, ideally by removing as many clicks and function calls as possible deployment of novel encryption and zk tech towards

What is the idOS?

The idOS network is the decentralized, self-sovereign, compliant identity layer of web3. We make KYC credentials as movable as tokens, across different chains and ecosystems. We’re in production with a few select partners, and are currently pushing towards v1 just in time for the next mass adoption cycle.

The core of idOS is a permissioned blockchain deployment (based on Kwil), running extensions (written in Golang) that connect to several blockchains (EVMs, NEAR, and more to come). We also develop a TypeScript SDK to make integration as effortless as possible.

Some of our current tech challenges are:

  • expanding support across even more chains (more EVMs, Solana, etc)
  • making idOS even easier to understand and integrate, ideally by removing as many clicks and function calls as possible
  • deployment of novel encryption and zk tech towards bolstering user privacy and easing development experience

Role and responsibilities

  • Build dependable and beautiful frontends across the idOS stack: our Data Dashboard, the Secure Enclave, product demos, and more.
  • Write reliable SDKs enabling developers to seamlessly interact with the idOS and provide users with a magical experience.
  • Contribute to our developer documentation and tooling to make idOS integration the smoothest developer experience in web3.
  • Create applications showing off the full potential of the idOS.
  • Drive idOS innovation by staying abreast of new trends, patterns, and tools we can use to keep our applications secure and on the bleeding edge.
  • Communicate effectively, clearly articulate ideas, and engage productively with us to help us make better decisions.
  • Clearly and frequently communicate progress and concerns in an actionable manner.
  • Work in a highly collaborative open source ecosystem, writing and reviewing understandable code we can be proud of.
  • Help our integrators succeed by helping them with integration architecture and technical support. Our success comes from their success.

Requirements

  • You have 5+ years of professional experience with TypeScript. You feel at home in type-land, and you still remember the relevant JS quirks.
  • You have 3+ years of professional web3 experience using libraries such as web3.js, ethers, or viem. You don’t get confused when thinking about the differences between a Wallet, a Provider, and a Signer.
  • You know just enough backend. You know enough to be dangerous and have a productive discussion on “how should we HTTP” with backend folks.
  • You are detail oriented and UX-focused. Every click matters.
  • You have a natural tendency to write good code, but you also understand that “good code” is a matter of aesthetics, familiarity, and style.
  • You’re able to work autonomously from research and speccing, to deployment and monitoring; you thrive in taking greater ownership and responsibility.
  • You are proactive and take action by default, consistently driving progress without asking for permission too much. You make others aware of how, when, where, and why you’re cowboying.
  • You know how to identify that a task is starting to overrun its original scope/budget, and know when to back off from rabbit holes.
  • You are fluent in spoken and written English. Remote comms are already hard enough.
  • You have experience using web3 apps and tools such as Uniswap, Aave, or MetaMask.
  • You are familiar with basic cryptography, and curious about harder cryptography.
  • You’re somewhere within UTC±3.
  • You can provide a reference for a call.
  • You have experience building and documenting APIs, SDKs, and other developer-directed products. You’d be comfortable writing a draft for an EIP and work with community feedback.
  • You challenge people’s opinions and direction, but know the value of “disagree and commit”.
  • You’re excited about blockchain technology, cryptoeconomics, game theory, and decentralization. It’s not about shitcoins, it’s about real products for real people.

Nice to have

  • Experience with identity and authentication tech helps a lot. OpenID, OAuth, WebAuthN, Passkeys, U2F, LDAP, SAML, etc; any of these will be useful.
  • Experience with non-EVM blockchains.

Techs we use

  • JavaScript/TypeScript (a lot; frontend and backend), Golang (a moderate amount, for chain extensions), Rust and Solidity (for smart contracts)
  • React, Vite, Cypress
  • ethers.js and viem
  • PostgreSQL
  • Vercel and AWS

What we offer

  • A salary range of €80k to €120k
  • A negotiable token allocation
  • Contribute to a fully open-source project
  • Fully-remote work with flexible working hours
  • Look back and know you’ve helped build the future of web3 identity
  • Work together with folks with 8+ years of blockchain experience
  • Build relationships with top partner teams: Gnosis Pay, Aleph Zero, NEAR, Kilt and more

Application process

  1. A ~45min video call with one or more of our team members, where we get to know each other and ask some questions to assess if there’s a mutual fit.
  2. A ~2h video call with one or more of our team members, where we dive deeper into technology, people and processes.

Please understand we will politely ask to end the call as soon as we realize you’re not the person we’re looking for, since pretending otherwise is a waste of your and our time.

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idOS Remote
What is the idOS? The idOS network is the decentralized, self-sovereign, compliant identity layer of web3. We make KYC credentials as movable as tokens, across different chains and ecosystems. We’re in production with a few select partners, and are currently pushing towards v1 just in time for the next mass adoption cycle. The core of idOS is a permissioned blockchain deployment (based on Kwil ), running extensions (written in Golang) that connect to several blockchains (EVMs, NEAR, and more to come). We also develop a TypeScript SDK to make integration as effortless as possible. Some of our current tech challenges are: expanding support across even more chains (more EVMs, Solana, etc) making idOS even easier to understand and integrate, ideally by removing as many clicks and function calls as possible deployment of novel encryption and zk tech towards

What is the idOS?

The idOS network is the decentralized, self-sovereign, compliant identity layer of web3. We make KYC credentials as movable as tokens, across different chains and ecosystems. We’re in production with a few select partners, and are currently pushing towards v1 just in time for the next mass adoption cycle.

The core of idOS is a permissioned blockchain deployment (based on Kwil), running extensions (written in Golang) that connect to several blockchains (EVMs, NEAR, and more to come). We also develop a TypeScript SDK to make integration as effortless as possible.

Some of our current tech challenges are:

  • expanding support across even more chains (more EVMs, Solana, etc)
  • making idOS even easier to understand and integrate, ideally by removing as many clicks and function calls as possible
  • deployment of novel encryption and zk tech towards bolstering user privacy and easing development experience

Role and responsibilities

  • Build reliable and highly-available backend services for authentication, authorization, blockchain interaction, and indexing.
  • Build secure, upgradable smart contracts across several blockchain infrastructures.
  • Write reliable SDKs enabling developers to seamlessly interact with the idOS and provide users with a magical experience.
  • Contribute to our developer documentation and tooling to make idOS integration the smoothest developer experience in web3.
  • Create applications showing off the full potential of the idOS.
  • Drive idOS innovation by staying abreast of new trends, patterns, and tools we can use to keep our applications secure and on the bleeding edge.
  • Communicate effectively, clearly articulate ideas, and engage productively with us to help us make better decisions.
  • Clearly and frequently communicate progress and concerns in an actionable manner.
  • Work in a highly collaborative open source ecosystem, writing and reviewing understandable code we can be proud of.
  • Help our integrators succeed by helping them with integration architecture and technical support. Our success comes from their success.

Requirements

  • You have 2+ years of professional experience with solidity and/or vyper.
  • You have 3+ years of professional experience with distributed systems (you know when to use ZeroMQ vs. Kafka vs. MQTT vs. NATS, etc).
  • You’re experienced in shipping production code, and dealing with very different load profiles. You’re comfortable architecting a solution for 1 rps to 1k rps, from a few MB to a lot of TB.
  • You’re comfortable in modern UNIX environments. You know how to use strace, lsof, cgroups, etc., and bash lines like find . -type f | xargs sed -i … don’t scare you.
  • You don’t shy away from frontend work. It’s ok if you can’t do SVG or animations, but you wouldn’t think twice about adding a new React Provider and passing some props around.
  • You have a natural tendency to write good code, but you also understand that “good code” is a matter of aesthetics, familiarity, and style.
  • You’re able to work autonomously from research and speccing, to deployment and monitoring; you thrive in taking greater ownership and responsibility.
  • You are proactive and take action by default, consistently driving progress without asking for permission too much. You make others aware of how, when, where, and why you’re cowboying.
  • You know how to identify that a task is starting to overrun its original scope/budget, and know when to back off from rabbit holes.
  • You are fluent in spoken and written English. Remote comms are already hard enough.
  • You have experience using web3 apps and tools such as Uniswap, Aave, or MetaMask.
  • You are familiar with basic cryptography, and curious about harder cryptography.
  • You’re somewhere within UTC±3.
  • You can provide a reference for a call.
  • You have experience building and documenting APIs, SDKs, and other developer-directed products. You’d be comfortable writing a draft for an EIP and work with community feedback.
  • You challenge people’s opinions and direction, but know the value of “disagree and commit”.
  • You’re excited about blockchain technology, cryptoeconomics, game theory, and decentralization. It’s not about shitcoins, it’s about real products for real people.

Nice to have

  • Experience with identity and authentication tech helps a lot. OpenID, OAuth, WebAuthN, Passkeys, U2F, LDAP, SAML, etc; any of these will be useful.
  • Experience with non-EVM blockchains.
  • You know enough about Golang such that using ChatGPT doesn’t help you out a lot anymore.

Techs we use

  • JavaScript/TypeScript (a lot; frontend and backend), Golang (a moderate amount, for chain extensions), Rust and Solidity (for smart contracts)
  • React, Vite, Cypress
  • Ethers.js and viem
  • PostgreSQL
  • Vercel and AWS

What we offer

  • A salary range of €80k to €120k
  • A negotiable token allocation
  • Contribute to a fully open-source project
  • Fully-remote work with flexible working hours
  • Look back and know you’ve helped build the future of web3 identity
  • Work together with folks with 8+ years of blockchain experience
  • Build relationships with top partner teams: Gnosis Pay, Aleph Zero, NEAR, Kilt and more

Application process

  1. A ~45min video call with one or more of our team members, where we get to know each other and ask some questions to assess if there’s a mutual fit.
  2. A ~2h video call with one or more of our team members, where we dive deeper into technology, people and processes.

Please understand we will politely ask to end the call as soon as we realize you’re not the person we’re looking for, since pretending otherwise is a waste of your and our time.

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Lendr.fi Remote
🗓  Thu, Jul 4 AI Agile/Scrum Blockchain Computer Science Crypto DAO EVM Ethereum Fintech Solidity Travel Async Company retreats Distributed team Hire Old Pays in crypto Pays in equity WFH/home office budget
About Lendr.fi Vision and Impact: At Lendr.fi , our vision is for every real world asset investment sector to be globally accessible through Web3/DeFi. To achieve this goal, we are creating fully decentralized real world asset (RWA) tokens for any asset class, including real estate, AI &amp; robotics, healthcare, energy, commodities, and more. Enabling investors to diversify on-chain and use any RWAs in any DeFi protocol. (Think MakerDAO but for RWA tokens) The RWA tokenization market is projected to reach $16 trillion by 2030, compared to the current $2.5 trillion valuation of all crypto. We intend to capture a significant portion of this growth. Achievements We are proud members of the Avalanche Codebase, Brinc, and Chainlink BUILD accelerators, and

About Lendr.fi

Vision and Impact:
At Lendr.fi, our vision is for every real world asset investment sector to be globally accessible through Web3/DeFi.
To achieve this goal, we are creating fully decentralized real world asset (RWA) tokens for any asset class, including real estate, AI & robotics, healthcare, energy, commodities, and more. Enabling investors to diversify on-chain and use any RWAs in any DeFi protocol. (Think MakerDAO but for RWA tokens)
The RWA tokenization market is projected to reach $16 trillion by 2030, compared to the current $2.5 trillion valuation of all crypto. We intend to capture a significant portion of this growth.
Achievements
We are proud members of the Avalanche Codebase, Brinc, and Chainlink BUILD accelerators, and 1st place winners in BNB Chain and Chainlink hackathons.
Culture
We are a highly ambitious, fast-paced, remote-first company assembling a superstar team that can build Lendr into one of the top DeFi protocols in the world. We are searching exclusively for highly motivated individuals with a proven track record of building and growing Web3 protocols. We're still a small team, which lends itself to high degrees of autonomy, impact, accountability, and the expectation for high execution power and attention to detail without compromise.
About the Role
Mission
As a Senior Developer, you will drive the development and optimization of our decentralized applications, prioritize security, Work with our team of developers, and align technical strategies with Lendr.fi's goals. The ideal candidate will possess a deep understanding of engineering principles, particularly within the realm of blockchain technology, and will have a proven track record of delivering successful technological products at scale.
Responsibilities
 

  • Software Development: Work directly with our existing development team to create cutting edge DeFi applications that align with our goals and objectives. Including hands on development, setting clear expectations, providing guidance, and ensuring timely delivery of milestones.
  • Development Methodology: Implement an effective software development methodology for our development team to use moving forward.
  • Technical Expertise: Serve as a subject matter expert for technical-related matters within the company, providing insights, guidance, and solutions to complex problems. Stay abreast of industry trends, emerging technologies, and best practices to inform decision-making and drive continuous improvement initiatives.
  • Security Oversight: Ensure robust application security, manage audit processes, and uphold high standards of code quality.
  • Cross Functional Support: Collaborate with cross-functional teams to identify opportunities for technical innovation and efficiency improvements
  • Regulatory Compliance: Maintain technical compliance with regulatory standards applicable to our technology and operations.

Requirements
 

  • 6+ years experience in software development, preferably within the fintech, DeFi, crypto/blockchain, or financial services industries. Including a proven track record of leading the delivery of large-scale, high-quality systems. Experience with smart contract development.
  • Bachelor’s degree in computer science or a related field.
  • Independence: self-starter with the ability to quickly respond to problems — both tactical and strategic — and proactively address conflicting stakeholder requirements to achieve creative compromise.
  • Blockchain Expertise: Deep knowledge in blockchain technology, smart contracts (Solidity), and DeFi application development. Proficiency in multiple programming languages including Solidity and JS. Excellent understanding of Ethereum and the EVM.
  • Deep understanding of software engineering best-practices
  • Leadership Expertise: Proven ability to manage and grow a technical team. Including excellent interpersonal skills.
  • Problem Solving: Strong strategic and innovative problem-solving skills.
  • Communication Skills: Excellent ability to communicate effectively in a collaborative, remote-first environment. Verbal and written.
  • Startup Experience: Experience working in a high growth startup a big plus, especially in a fully remote/async environment
  • Fluent written and spoken English

Why Join Us
 
Innovative Impact: Be a part of a visionary company transforming the DeFi landscape and creating positive social change.
Competitive Culture: A highly competitive, remote-first culture with flexible working conditions.
Early-Stage: Significant growth potential and ownership opportunities.
Competitive Compensation: Including substantial token equity options.
At Lendr.fi, you have the freedom to work how you want, when you want, and from where you want. All positions are 100% remote (with optional travel to team and/or industry events). We operate in lean and nimble teams, with no time tracking and minimum bureaucracy. We move fast. Only results matter.
 
Diversity and Inclusion: We are committed to creating a diverse environment and are proud to be an equal opportunity employer. We maintain a professional focus and respect personal identities and beliefs without engaging in workplace discussions on sensitive topics.
 
If this role resonates with you, apply now for prompt feedback.

Apply Now:

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Aragon Remote - Europe
Aragon is a small team of people that spans a broad range of backgrounds, interests, and geographies. We're entrepreneurs and Ph.D.s, technologists and skeptics, troublemakers and problem solvers, who are building unstoppable tooling for the creation and management of Decentralized Autonomous Organizations (DAOs). Aragon has overseen the production of the leading smart contract framework for DAOs, with toolkits for developers to seamlessly integrate their own apps with DAO functionality. As a Senior Smart Contract Developer at Aragon, you will be joining the OS squad, where you'll play a pivotal role in building, maintaining, and shaping the future of the Aragon OSx protocol. Our platform empowers both in-house and third-party developers to craft the next wave of digital organizations. 💪 What do we expect from a Senior Smart Contract Developer?
Aragon is a small team of people that spans a broad range of backgrounds, interests, and geographies. We're entrepreneurs and Ph.D.s, technologists and skeptics, troublemakers and problem solvers, who are building unstoppable tooling for the creation and management of Decentralized Autonomous Organizations (DAOs).
Aragon has overseen the production of the leading smart contract framework for DAOs, with toolkits for developers to seamlessly integrate their own apps with DAO functionality.
As a Senior Smart Contract Developer at Aragon, you will be joining the OS squad, where you'll play a pivotal role in building, maintaining, and shaping the future of the Aragon OSx protocol. Our platform empowers both in-house and third-party developers to craft the next wave of digital organizations.

💪 What do we expect from a Senior Smart Contract Developer?

    • Transform developer needs into technical designs and production-ready code, always considering the user.
    • Understand developer motivations behind choosing our protocol, ensuring their needs are reflected across the whole developer experience.
    • Lead projects from inception to live maintenance, emphasizing secure and high-quality delivery at every phase.
    • Exhibit deep expertise in Solidity, having not just deployed smart contracts but designed intricate contract architectures addressing real-world business challenges.
    • Own and champion one or more components of our tech stack, upkeeping in-depth documentation and being the “go to” source of truth, yet help ensure knowledge stays distributed across the team.
    • Foster enthusiastic collaboration with other product and engineering squads, further deepening everyone’s knowledge of the ever-expanding technologies of web3.
    • Engage in daily stand-ups, knowing when your expertise is critical, and step up to proactively solve your teammate’s challenges.

⚠️ Minimum requisites

    • 5+ years delivering software to real users, ideally in a fast-paced startup environment
    • Expert-level Solidity experience, including the design and optimization of advanced smart contract systems
    • Familiarity with or contributions to Ethereum EIPs
    • Mastery in JavaScript and, in particular, advanced Ethers.js functionality
    • Deep understanding of ENS integrations, meta-transactions, account abstraction, and Layer 2 solutions
    • Proven contributions to open-source projects within blockchain, cryptography, decentralized systems, or the broader web3 ecosystem
    • Understanding of how to work in an agile environment, using git flows, and tools like Jira and Github
    • Passionate about the possibilities of decentralized autonomous organizations and the impacts they may have on how humans work together to solve problems
    • Excellent English and technical communication - both written and oral
    • You are able to attend quarterly offsites - usually located in or around Europe - to work in person with your team

💡 Bonus skills

    • Strong foundation in smart contract security, with a history of successful audits and knowledge of common vulnerabilities
    • Experience or certification in formal verification of smart contracts
    • Knowledge or hands on experience working with other parts of our stack, like React, GraphQL, IPFS, and Hardhat
    • Demonstrated experience using Go or Rust
    • Proven mentoring skills, fostering a culture of growth and learning within teams
We value freedom and responsibility among our contributors. In practice, this means that we're a remote distributed organization that's flexible as to where you want to work and your schedule. We will trust you to accommodate and support your team, and communicate if you ever feel stretched thin.   You will get all of the resources needed to be effective, whether its for setting up your remote work environment or a personal development budget.   This role reports to Aragon X, a Swiss AG dedicated to advancing the Aragon Project. We are an Equal Opportunity Employer supporting a community of DAO creators, developers, and users experimenting with new forms of social coordination and governance.

Apply Now:

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LinkPool Remote
LinkPool is a leading validator, oracle provider, infrastructure services and ecosystem developer within the Chainlink ecosystem and wider Web3 industry. Since 2017, LinkPool has been pioneering modern infrastructure tooling to set precedent and help build an industry that shapes how agreements are formed and settled across all industries. With LinkPool being one of the largest Chainlink Node Operators since its launch in 2019, it is in a unique position to work with and operate across most networks, projects and teams to build its knowledge and help drive the ecosystem forward. LinkPool is a globally distributed team, and all roles are fully remote. The Role: As an Incident Responder at LinkPool, you’ll be the first to join a newly created 24/7 team designed for round the clock support and maintenance of our modern infrastructure. You’ll work closely with the founder and infrastructure engineers to define a new company func

LinkPool is a leading validator, oracle provider, infrastructure services and ecosystem developer within the Chainlink ecosystem and wider Web3 industry.

Since 2017, LinkPool has been pioneering modern infrastructure tooling to set precedent and help build an industry that shapes how agreements are formed and settled across all industries. With LinkPool being one of the largest Chainlink Node Operators since its launch in 2019, it is in a unique position to work with and operate across most networks, projects and teams to build its knowledge and help drive the ecosystem forward.

LinkPool is a globally distributed team, and all roles are fully remote.

The Role:

As an Incident Responder at LinkPool, you’ll be the first to join a newly created 24/7 team designed for round the clock support and maintenance of our modern infrastructure. You’ll work closely with the founder and infrastructure engineers to define a new company function with the goal to maintain high-standards in uptime and reliability. You’ll gain extensive experience in monitoring and maintaining infrastructure that covers most major L1 and L2 chains, while gaining valuable experience in overall infrastructure management by working closely with experienced team members.

You’ll work across our full stack of infrastructure, from creating and maintaining Chainlink nodes, blockchain full nodes, validators, monitoring stack and our Kubernetes cluster setup. As well as this, you will be the first to respond to any incidents that are raised through our monitoring stack, fixing and escalating where needed.

LinkPool’s infrastructure is fully containerised and fully collocated with wholly owned hardware that we solely manage. This is a unique opportunity to use cutting edge tooling on infrastructure wholly owned without the burden of dealing with cloud pricing.

Note: First round of interviews will commence from the 29th of July.

Key Responsibilities:

  • Be the first to respond to incidents on-call during your working hours (9am-5pm)
  • Create and maintain infrastructure documentation including runbooks, common issues, maintenance and other reliability activities.
  • Ensure backup systems are functioning as expected and updated regularly.
  • Manage monitoring services to measure service availability, resource utilisation, capacity management, event logs, and application performance.
  • Work effectively with vendors to troubleshoot issues, upgrade environments, and deploy new solutions.
  • Participate in after-hours systems support activities and on-call rotation during working hours.
  • Complete incident and service request tasks in adherence to incident management procedures.
  • Meet or exceed service level agreement (SLA) expectations.
  • Identify, troubleshoot, and resolve issues,
  • Conduct root cause analysis and preventive action planning.

Requirements

  • A suitable time zone. We are looking for people in time zones around GMT+8, GMT and GMT-8 to give 24/7 9-5 coverage.
  • A strong passion for Web3 and Ethereum based networks
  • Some experience working with Blockchain Full Nodes, in particular Ethereum based clients.
  • Familiar: Docker, Linux CLI
  • Desire and ability to rapidly learn new technologies
  • Highly motivated with a self-governing work ethic
  • Comfortable closely collaborating with engineers in and out of your team

Ultimately, we are looking for people who have a strong passion for the Web3 space that are highly motivated to learn. Strong technical experience is not a requirement, but familiarity is preferred.

Desirables:

  • Experience with Kubernetes, Prometheus and Grafana
  • Understanding of Ethereum, Solidity, and Chainlink at a technical level
  • Familiarity with the current DeFi landscape

Benefits

  • Competitive compensation offered in Fiat and/or Tokens
  • Remote first working environment
  • Flexible working hours and vacation policy
  • Work on a rapidly growing team with opportunities for advancement and the ability to plan for a long term role
  • The products and services you help maintain  will have significant visibility across multiple blockchain networks
  • Work closely with other industry-leading teams on high impact projects

If you’re looking for a role where you’re working with an experienced team of A+ players without much red tape and where you can take clear ownership while using the latest tools and technologies, then this role is for you.

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Ethena Labs Remote
Who We Are: Ethena Labs is building the first ETH based yield-bearing synthetic dollar. Arthur Hayes is a founding advisor and the team has deep experience across traditional finance and crypto engineering from firms such as Cerberus, Wintermute, Flow Traders, Deribit, Paradigm, Aave, Blockdaemon and Kaiko. We are backed by every major exchange and trading entities in the space. What we are Doing: We are building derivative infrastructure to enable Ethereum to transform into the Internet Bond via delta-neutral derivatives positions, to create the first crypto-native, yield bearing synthetic dollar: sUSDe. We believe creating a synthetic dollar which is not reliant on existing banking infrastructure is the single most important problem to solve and largest opportunity in crypto today. USDe will form the first part of a broader ecosystem of products we are building including fixed and floating rate internet bonds a

Who We Are:

Ethena Labs is building the first ETH based yield-bearing synthetic dollar. Arthur Hayes is a founding advisor and the team has deep experience across traditional finance and crypto engineering from firms such as Cerberus, Wintermute, Flow Traders, Deribit, Paradigm, Aave, Blockdaemon and Kaiko. We are backed by every major exchange and trading entities in the space.

What we are Doing:

We are building derivative infrastructure to enable Ethereum to transform into the Internet Bond via delta-neutral derivatives positions, to create the first crypto-native, yield bearing synthetic dollar: sUSDe.

We believe creating a synthetic dollar which is not reliant on existing banking infrastructure is the single most important problem to solve and largest opportunity in crypto today.

USDe will form the first part of a broader ecosystem of products we are building including fixed and floating rate internet bonds and composable repo leveraged markets.

Join us!

The Team:

We are a lean geographically distributed team of around 20 currently. We have a high pedigree or Digital Asset, DeFi & broader Web3 expertise, across both non-technical and technical teams. Ethena currently has 2 Engineering verticals, Onchain Engineering & Quantitative Engineering. Now we are adding this new project of building our own L2 for USDe and ENA to sit upon, we need to add new engineering expertise to take a leading position in this new vertical.

Who We are Looking For:

  • A Principal Engineer with experience in building at the blockchain protocol level
  • A person who is excited by the opportunity to join an early stage project team with the support of an established ecosystem to support it
  • Someone well positioned to thrive in a small team, set in a fast paced environment
  • Motivated and driven to learn new concepts, explore the less determinable or defined and lead in this overlap between frontier technology and financial concepts

Responsibilities

  • Lead the architecture & design of our L2 chain, including open source frameworks (OP stack, Arbitrum Nitro, ZK, L1 approach), sequencer performance tuning, strategic service provider selection, etc
  • Meaningfully differentiating the chain from existing L2s such as through native yield, custom gas tokens, performance optimizations
  • Lead key development milestones include internal and external devnets, through to public launch.
  • Ensure high availability, reliability and performance of the chain post launch
  • Act as a public technical figure advocating for the chain and supporting developers and protocols building atop it

Requirements

  • Direct experience building and launching an L1 or L2 blockchain and contributing code to sequencers for EVM compatible chains
  • Experience building products in the Ethereum ecosystem
  • Expertise with either Go or Rust and Solidity
  • Exceptional at developing high-performance software and networked systems
  • Aptitude to drive an outcome, unblocking yourself and those around
  • Autonomous work ethic and and strong mindset for teamwork
  • Fluent English, both written and spoken

If you subscribe to the mission of separating the dollar from the state, then we want to hear from you!

We look forward to receiving your application and will be in touch after having a chance to review.

In the meantime, here are some links to more information about Ethena Labs to help you check us out:

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DBForest Remote
We are building a team around a new product release DBForest which is a decentralized cloud database marketplace. Think "FileCoin for Databases" or "Web3 Airbnb for Databases". The cloud database market has &gt;70% profit margins and is ripe for disruption. Only a decentralized model can make a credible claim that the marketplace will continue to foster fair competition. Web2 business models introduce a centralized middleman that always eventually turns against the users in favour of profit. We will be launching the DApp on its own native blockchain (most likely an L2 or L3 app-chain using op stack or else cosmos tendermint evmos). Fundamental understanding of computation. (expect theory questions ) Fundamental understanding blockchains (expect L2, and bridging questions ) Solidity goLang (the daemon listening to blockchian events will be in goLang)

We are building a team around a new product release DBForest which is a decentralized cloud database marketplace. Think "FileCoin for Databases" or "Web3 Airbnb for Databases".

The cloud database market has >70% profit margins and is ripe for disruption. Only a decentralized model can make a credible claim that the marketplace will continue to foster fair competition. Web2 business models introduce a centralized middleman that always eventually turns against the users in favour of profit.
We will be launching the DApp on its own native blockchain (most likely an L2 or L3 app-chain using op stack or else cosmos tendermint evmos).

  • Fundamental understanding of computation. (expect theory questions )
  • Fundamental understanding blockchains (expect L2, and bridging questions )
  • Solidity
  • goLang (the daemon listening to blockchian events will be in goLang)
  • hardhat
  • devops / ci-cd
  • git
  • linux server management (we will run some of our own nodes)

Salary is flexible depending on seniority level. We have space for 1 junior entry level, 2 mid, 2 seniors at the time of writing.

Apply Now:

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Parity Technologies BE Berlin, Berlin, Germany
About Us Parity is one of the world's most experienced core blockchain infrastructure companies, having built and pioneered some of the most advanced technologies in the blockchain sector. Parity was founded by Dr. Gavin Wood, co-founder and former CTO of Ethereum, the primary engineer behind the Ethereum Virtual Machine (EVM), inventor of the Solidity programming language, and primary author of the Ethereum Yellowpaper. Based in Berlin, London, and Lisbon, Parity has built clients for Ethereum, Bitcoin, and Zcash and has pioneered a completely new, next-generation blockchain protocol with Polkadot and the framework it’s built with, Substrate. Parity builds the open-source technologies needed to power an unstoppable, decentralised web—known as Web3—and helps developers and organisations implement and build upon the Web3 tech stack. People in Our Collective Are Highly motivated to contribute to Parity’s missi

About Us

Parity is one of the world's most experienced core blockchain infrastructure companies, having built and pioneered some of the most advanced technologies in the blockchain sector. Parity was founded by Dr. Gavin Wood, co-founder and former CTO of Ethereum, the primary engineer behind the Ethereum Virtual Machine (EVM), inventor of the Solidity programming language, and primary author of the Ethereum Yellowpaper.

Based in Berlin, London, and Lisbon, Parity has built clients for Ethereum, Bitcoin, and Zcash and has pioneered a completely new, next-generation blockchain protocol with Polkadot and the framework it’s built with, Substrate. Parity builds the open-source technologies needed to power an unstoppable, decentralised web—known as Web3—and helps developers and organisations implement and build upon the Web3 tech stack.

People in Our Collective Are

  • Highly motivated to contribute to Parity’s mission and be part of something bigger
  • Excited to work on projects that are groundbreaking and complex
  • Autonomous workers that self-initiate, but also collaborate well with others
  • Taking maximum accountability and having minimum ego at work
  • Comfortable with chaos and adapting to the ever-changing Web3 space
  • Continuously educating themselves about Parity and the wider ecosystem

About the Team

The Incubation team operates at the forefront of blockchain innovation, with a commitment to pioneering research and development. Under the direct leadership of our founder, Dr. Gavin Wood, the team is responsible for identifying and prototyping new ideas for Polkadot. Currently, the team's primary focus is on advancing PolkaJAM - the next-generation decentralised virtual machine - a protocol combining elements of Polkadot and Ethereum.

About the Position

  • Design, develop, and maintain core components of the Polkadot ecosystem, with a focus on integrating JAM.
  • Collaborate with the research and incubation teams to identify and prototype blockchain solutions, ensuring seamless integration and optimal performance.
  • Conduct rigorous testing and debugging of core blockchain components to ensure security, scalability, and reliability.
  • Stay up-to-date with the latest advancements in blockchain technology, providing insights and recommendations to drive the continuous improvement of our platform.

About You

  • 5+ years of software development experience.
  • Strong proficiency in Rust, with a proven track record of developing and maintaining blockchain tech, decentralised systems, or distributed databases at scale.
  • Understanding of blockchain technologies, with experience in protocol design and implementation.
  • In depth knowledge of software engineering best practices.
  • Ability to work in a fully autonomous environment.

About Working for Us

  • Competitive remuneration packages based on iterative market research, including tokens (where legally possible)
  • “Future of work” environment that’s remote-first and self-initiating with flexible hours
  • Team mates that are genuinely excited about their impact and projects
  • Access to the brightest minds in this space to learn about Web3 and develop your skills and knowledge while on the job
  • Becoming part of the wider ecosystem (career and networking opportunities)
  • Team and company-wide retreats
  • Work laptop
  • Opportunity to relocate to Germany or Portugal (with visa sponsorship)

Those joining our collective as an employee in Germany, Portugal, and the UK, also enjoy benefits such as healthcare, parental leave, PTO (28 days per year) and local team events.

Parity is an Equal Opportunity Employer. We welcome diversity in our global team and care about everyone in our collective feeling included and welcome.

View our Applicant Notice to see how we use your data.

Is this position not quite your match? Browse our other open roles.

Apply Now:

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Parity Technologies BE Berlin, Berlin, Germany
About Us Parity is one of the world's most experienced core blockchain infrastructure companies, having built and pioneered some of the most advanced technologies in the blockchain sector. Parity was founded by Dr. Gavin Wood, co-founder and former CTO of Ethereum, the primary engineer behind the Ethereum Virtual Machine (EVM), inventor of the Solidity programming language, and primary author of the Ethereum Yellowpaper. Based in Berlin, London, and Lisbon, Parity has built clients for Ethereum, Bitcoin, and Zcash and has pioneered a completely new, next-generation blockchain protocol with Polkadot and the framework it’s built with, Substrate. Parity builds the open-source technologies needed to power an unstoppable, decentralised web—known as Web3—and helps developers and organisations implement and build upon the Web3 tech stack. People in Our Collective Are Highly motivated to contribute to Parity’s missi

About Us

Parity is one of the world's most experienced core blockchain infrastructure companies, having built and pioneered some of the most advanced technologies in the blockchain sector. Parity was founded by Dr. Gavin Wood, co-founder and former CTO of Ethereum, the primary engineer behind the Ethereum Virtual Machine (EVM), inventor of the Solidity programming language, and primary author of the Ethereum Yellowpaper.

Based in Berlin, London, and Lisbon, Parity has built clients for Ethereum, Bitcoin, and Zcash and has pioneered a completely new, next-generation blockchain protocol with Polkadot and the framework it’s built with, Substrate. Parity builds the open-source technologies needed to power an unstoppable, decentralised web—known as Web3—and helps developers and organisations implement and build upon the Web3 tech stack.

People in Our Collective Are

  • Highly motivated to contribute to Parity’s mission and be part of something bigger
  • Excited to work on projects that are groundbreaking and complex
  • Autonomous workers that self-initiate, but also collaborate well with others
  • Taking maximum accountability and having minimum ego at work
  • Comfortable with chaos and adapting to the ever-changing Web3 space
  • Continuously educating themselves about Parity and the wider ecosystem

About the Team

The Incubation team operates at the forefront of blockchain innovation, with a commitment to pioneering research and development. Under the direct leadership of our founder, Dr. Gavin Wood, the team is responsible for identifying and prototyping new ideas for Polkadot. Currently, the team's primary focus is on advancing PolkaJAM - the next-generation decentralised virtual machine - a protocol combining elements of Polkadot and Ethereum.

About the Position

  • Design and develop comprehensive testing suites to ensure the robustness and reliability of our next-generation decentralised virtual machine.
  • Build and maintain testing environments that simulate various operational conditions, ensuring thorough coverage and accuracy in testing scenarios.
  • Conduct extensive testing on the decentralised virtual machine to validate its performance, security, and scalability.
  • Develop and implement automated tests using Rust to streamline the testing process and improve efficiency.
  • Collaborate with development teams to identify and resolve issues, providing feedback and recommendations to enhance overall software quality.

About You

  • 5+ years of software development experience, with a focus on testing.
  • Strong proficiency in Rust, with experience developing and maintaining automated test scripts.
  • Proven experience in designing and building testing suites and environments for complex software systems.
  • Familiarity with performance testing, security testing, and scalability testing methodologies.
  • Excellent problem-solving skills and the ability to work fully autonomously.

About Working for Us

  • Competitive remuneration packages based on iterative market research, including tokens (where legally possible)
  • “Future of work” environment that’s remote-first and self-initiating with flexible hours
  • Team mates that are genuinely excited about their impact and projects
  • Access to the brightest minds in this space to learn about Web3 and develop your skills and knowledge while on the job
  • Becoming part of the wider ecosystem (career and networking opportunities)
  • Team and company-wide retreats
  • Work laptop
  • Opportunity to relocate to Germany or Portugal (with visa sponsorship)

Those joining our collective as an employee in Germany, Portugal, and the UK, also enjoy benefits such as healthcare, parental leave, PTO (28 days per year) and local team events.

Parity is an Equal Opportunity Employer. We welcome diversity in our global team and care about everyone in our collective feeling included and welcome.

View our Applicant Notice to see how we use your data.

Is this position not quite your match? Browse our other open roles.

Apply Now:

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Logos Remote
🗓  Fri, Jun 28 Blockchain Computer Science Crypto Cryptography Nim Node.js P2P QA/Testing Solidity Zero-knowledge Distributed team Pays in crypto
The project: https://free.technology/codex We are a diverse team of experienced researchers and engineers in various parts of the world working at the intersection of P2P networks and bleeding-edge Zero Knowledge technology. We build and test prototypes utilizing new compression methods in conjunction with standard blockchain subsystems to benchmark the performance advantages of our implementations to existing ones. We aim to deliver a more advanced decentralized data storage protocol that improves the primitives of decentralized file storage and delivery. This role fits our project and product goals by providing core engineering effort to help make the Codex client production-ready by coordinating with our in-house Distributed Systems Testing Team to prepare all networking subsystems for testnet and mainnet. You will join the marketplace team of Codex, where you will work on smart contracts in Solidit

The project:

https://free.technology/codex

We are a diverse team of experienced researchers and engineers in various parts of the world working at the intersection of P2P networks and bleeding-edge Zero Knowledge technology.

We build and test prototypes utilizing new compression methods in conjunction with standard blockchain subsystems to benchmark the performance advantages of our implementations to existing ones. We aim to deliver a more advanced decentralized data storage protocol that improves the primitives of decentralized file storage and delivery.

This role fits our project and product goals by providing core engineering effort to help make the Codex client production-ready by coordinating with our in-house Distributed Systems Testing Team to prepare all networking subsystems for testnet and mainnet.

You will join the marketplace team of Codex, where you will work on smart contracts in Solidity and a peer-to-peer node written in Nim.

You have:

  • be an experienced programmer in a strongly typed language such as C/C++/Go/Rust/Java/C#
  • have programmed smart contracts in Solidity
  • have worked on distributed systems
  • know the fundamentals of cryptography and how to use it
  • thrive in an open-source project with an informal structure
  • deliver and maintain tests with your code

Bonus points if you:

  • can read computer science papers and implement them
  • have experience with zero knowledge schemes
  • can program in Nim
  • have experience leading a team
  • have worked on peer-to-peer systems

Hiring process:

  1. Intro call with People Ops team
  2. Interview with Codex team member, focusing on team and tech fit
  3. Interview with Codex team member, deep tech interview
  4. Interview with Project Lead

Compensation:

The expected compensation range for this role is negotiable, dependent on how we assess your skills and experience throughout our interview process. We are happy to pay in any mix of fiat/crypto.

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About the Job: Introducing TOT Exchange, the pioneering centralized exchange platform that is set to revolutionize the Peruvian financial landscape. As the very first of its kind in Peru, TOT Exchange is poised to become the heartbeat of the nation's digital asset trading, offering a seamless and secure environment for users to buy, sell, and trade a diverse range of cryptocurrencies and digital assets. We are looking for a skillful and passionate Lead Engineer/CTO to make continuous innovation in web3 spaces. Tech Stack: React, Node.js,  Web3.js/ Ethers.js Salary Range: 180K ~ 240K Key Responsibilities: Build, lead, equip &amp; manage the entire team and propose innovative ideas from a technical point of view Devel
About the Job:
Introducing TOT Exchange, the pioneering centralized exchange platform that is set to revolutionize the Peruvian financial landscape. As the very first of its kind in Peru, TOT Exchange is poised to become the heartbeat of the nation's digital asset trading, offering a seamless and secure environment for users to buy, sell, and trade a diverse range of cryptocurrencies and digital assets.
We are looking for a skillful and passionate Lead Engineer/CTO to make continuous innovation in web3 spaces.
Tech Stack: React, Node.js,  Web3.js/ Ethers.js
Salary Range: 180K ~ 240K
Key Responsibilities:
  • Build, lead, equip & manage the entire team and propose innovative ideas from a technical point of view 
  • Develop and maintain high-quality, responsive, and visually appealing user interfaces for web and mobile applications using modern web technologies (HTML, CSS, and JavaScript, Web3.js).
  • Responsible for the entire development architecture & security of the product 
  • Interpret Figma  on wireframes, mockups, and prototypes, ensuring alignment with project requirements and overall design principles.
  • Optimize web applications for maximum speed and scalability, taking into consideration cross-browser compatibility and mobile-first design principles.
  • Assist in the development of design systems, style guides, and reusable UI components to ensure consistent and maintainable code eg.Storybook 
  • Participate in code reviews, providing and receiving constructive feedback to improve overall code quality and maintainability.
  • Continuously learn and stay up-to-date with the latest web development and design trends, tools, and technologies to ensure the delivery of cutting-edge solutions.
Requirements:
  • Experience in frontend development, with a strong portfolio showcasing expertise in HTML, CSS, and JavaScript.
  • Experience in Smart Contract - Solidity programming language, Truffle
  • Proficiency in modern web development frameworks and libraries, such as React
  • Demonstrated experience with responsive and adaptive design principles, as well as an understanding of cross-browser compatibility issues.
  • Solid understanding of Figma and its features, with the ability to read wireframes, mockups, and prototypes for web and mobile applications.
  • Experience with Wallet integrations (MetaMask, WalletConnect, etc.): Tools and libraries for connecting Web3 applications with users' cryptocurrency wallets
  • Strong collaboration and communication skills, with the ability to work effectively in a team-oriented environment.
  • Experience with version control systems such as Git, and familiarity with Agile methodologies.
Bonus Skills:
  • Experience with CSS pre-processors like Sass or LESS.
  • Experience of Smart Contract - Solidity language
  • Familiarity with frontend performance optimization techniques.
  • Basic understanding of backend technologies and frameworks.
  • Familiarity with design principles, color theory, typography, and layout, with a keen eye for detail and visual aesthetics.
Benefits:
  • Strategic Technological Leadership
  • Revenue Enhancement and Analysis
  • Innovation and Technology Strategy
  • Technological Infrastructure Decision-Making
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Playfly New York
Is this you? If you answered this with an unequivocal yes, then it might not be the best fit. We also want people who understand that no one knows everything, don't have egos, understand their own shortcomings and are excited to grow. We want people who are badass but also humble and care about helping their team. We want people who get shit done and give a shit. We want people who don't care about titles but care about results. We are asking for a lot. What we can offer you? - A legitimate meritocracy. We don't care if you fancy huh, we care if you are actually good at your job. Been passed over for the guy who's great at talking to the EVP about how you just need to move to microservices but just pushed several critical bugs to production? That will not happen here. - The ability to work with other people like you. And the joy of no
Is this you?
If you answered this with an unequivocal yes, then it might not be the best fit. 
We also want people who understand that no one knows everything, don't have egos, understand their own shortcomings and are excited to grow.
We want people who are badass but also humble and care about helping their team. We want people who get shit done and give a shit. We want people who don't care about titles but care about results.
We are asking for a lot. What we can offer you?
- A legitimate meritocracy. We don't care if you fancy huh, we care if you are actually good at your job. Been passed over for the guy who's great at talking to the EVP about how you just need to move to microservices but just pushed several critical bugs to production? That will not happen here.
- The ability to work with other people like you. And the joy of not having to work with people who aren't - no shitty devs, assholes, or devs who spend 2 hours a day working and 6 hours on TikTok and spreading office gossip.
- An intensive onboarding bootcamp where you will be challenged, tested, and learn a ton. While we don't like firing people or having them quit, we care more about guaranteeing #2 and this process is meant to weed people out who aren't a fit.
- A highly supportive atmosphere. We have a high standard for performance, but we will do everything we can to help each individual attain it. Everyone at all levels of the company is willing to pitch in and provide advice, mentorship, or even jump in to get our hands dirty coding, organizing the backlog, or talking to
clients when a team needs extra support. We're in this together. 
- The ability to work on some of the most exciting technical and product challenges that exist today. We work with clients, who bring us in to work on their most critical and important tasks because they know we can deliver and on our own internal projects which solve real needs. We also work on complex blockchain
projects with legitimate use cases. We also build best-in-class web and mobile applications and have some of the world's best data scientists.
- The ability to work on a range of projects in different fields, industries, and stacks for companies ranging from early-stage startups to enterprise.
- Competitive pay with regular performance-based raises and other fun stuff including company retreats, a really nice office, health and pet insurance, a cake to embarass you on your birthday, etc.STACK
You will be working mostly with JavaScript and libraries/frameworks in its ecosystem. 
- JavaScript / TypeScript 
- React / Angular / Nullstack
- Node / Next.js / Apollo
- EVMs / Solidity
- Flow / Cadence
- Solana / Metaplex / Rust 
- Truffle / Hardhat 
- web3.js / ethers.js 
- Everything else in the JavaScript ecosystem
YOU WILL
- Work Full-time. 
- Work with a 10x dev team. 
- Work in internal projects and client projects. 
- Build projects with a product focused mentality while keeping your code clean. 
- Build modern, efficient apps and test that they work correctly. 
- Constantly communicate with clients. 
- Review pull requests from other members of the team. 
- Have a founder mentality and proactively solve problems. 
- Wear any hats needed to get the job done. 
About You
- Ability to communicate effectively and work exclusively in English. (This is a must) 
- A minimum of 5+ years of programming experience with our stack. 
- realizing in the middle of the night you forgot a major edge case that you can’t believe hasn’t burned you yet and need to fix asap
- git blaming some shitty code and realizing it was you, deciding to never git blame again
- having some super strong preference about the way something “needs to be done” that you read in a book, forum, conference or fancy colleague, being super militant about enforcing it and judgemental about people
who don’t already do it. and then realizing this was wrong
- you had a stack you thought was universally superior but now you think people should just pick the right tool for the job
- being such an expert at something that you forget why anyone would think this is hard, then having to learn something new and sucking at it at first and remembering that programming actually is a skill, then getting
really great at that 
- Willing to work with new technologies, different environments. 
- Willing to work with everything and anything, Full Stack. 
- Experience working with Agile. 
- Growth mindset.
- Like your work and accomplish many things. 
- Ownership mentality. 
- Problem-solving skills. 
- Self-management skills. 
- Can work independently/autonomously. 
Other Stuff About Us
- Remote work. 
- Flexible schedule. 
- Monthly salary in USD. 
- Multi-company Equity. 
- Accountant that manages all the paperwork for you. 
- Health Insurance after 3 months. 
- English classes. 
- Free lunch everyday at the office (if you're there)! 
- Weekly talks, gather together with the team exchange knowledge. 
- Yearly retreat bringing together the whole team. 
THE INTERVIEW PROCESS
- Coding test. 
- Meet with CTO.
- Final interview. 
We are looking to hire people who think long term. People create exponentially more value here in their 3rd or 4th year rather than their 1st or 2nd, and that only increases.
- Disclaimer: If you leave on good terms, you can retain 20% of your equity if you continue to send leads our way, share our core values, etc. If you leave for project (or someone else's), you retain 100% of your equity. Folks create exponentially more value here in their 3rd and 4th years than their 1st or 2nd - we want folks
who think long-term like we do. 
Salary
First 3 months: 12k - 16k USD
3+ months: 16k - 20k US
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Flashbots Remote
About us Flashbots started in 2020 as a research and development organization formed to mitigate the negative externalities and existential risks posed by Maximal Extractable Value (MEV). Since then, we have had an immense impact on the world of crypto through mev-geth , Flashbots Protect , MEV-Boost , MEV-Share , our open research and soon-to-be SUAVE. Our mission is clear: illuminate, democratize and distribute. We seek to ensure that the value created on decentralized, public blockchains is transparent and distributed. We do this by conducting cutting-edge research, building mission-critical products, and coordinating a diverse community with competing interests. Our vibe is astro-pirate-punk : irreverent, anarchic, excellent, autonomous. We’re explorers, hackers, builders, th

About us

Flashbots started in 2020 as a research and development organization formed to mitigate the negative externalities and existential risks posed by Maximal Extractable Value (MEV). Since then, we have had an immense impact on the world of crypto through mev-geth, Flashbots Protect, MEV-Boost, MEV-Share, our open research and soon-to-be SUAVE.

Our mission is clear: illuminate, democratize and distribute.

We seek to ensure that the value created on decentralized, public blockchains is transparent and distributed. We do this by conducting cutting-edge research, building mission-critical products, and coordinating a diverse community with competing interests.

Our vibe is astro-pirate-punk: irreverent, anarchic, excellent, autonomous. We’re explorers, hackers, builders, thinkers. We are relaxed, composed, and at ease in the world, but beneath our suave exterior, we do not have the time or inclination to be anything but the best.

About the role:

Flashbots is searching for a Senior Backend Engineer with a focus on distributed systems and scaling to join our team. This role is ideal for a proactive problem solver with a penchant for deep technical challenges, strong communication skills, and a builder mentality.

You’ll be helping contribute to a cutting-edge distributed system, navigating nuanced tradeoffs between latency, privacy, fault tolerance, and incentives.

What You’ll Do:

  • Contribute to the development and scaling of Flashbots products, specifically SUAVE and SUAPPS.
  • Collaborate with the best mechanism design researchers in the industry to build products at the intersection of incentives and distributed systems.
  • Maintain and enhance protocol services and developer tools within the Flashbots ecosystem.
  • Write and manage technical documentation and diagrams for public and internal use.
  • Participate actively in community and partner with leading crypto projects.
  • Write well-tested code.

Who You Are:

  • 4-10 years of experience in production systems, skilled in Rust or Go.
  • Proven experience in distributed systems
  • You find problems to solve, rather than waiting for issues to pile up.
  • Strong OSS blockchain projects/contributions in Ethereum projects
    • please feel free to contact email with links to relevant PRs or meaningful public contributions in order to skip the queue.
  • Capable of independently leading projects and unifying cross-functional teams through exceptional communication and collaboration skills.
  • Familiar with blockchain or distributed system protocol standards.
  • Flexible, accountable, and focused on high-impact solutions.
  • T-Shaped skills

Nice-to-haves

  • Experience with Ethereum, Geth, or other Ethereum clients
    • Adjacent infrastructure (e.g., indexers or p2p overlays).
  • Worked with Solidity or other smart contract languages.
  • You have contributed to open-source work/projects or participate in public technical discourse, such as contributing to protocol specifications.

Details that matter

  • Significantly above market rate equity compensation package
  • Unlimited PTO with a high level of freedom and autonomy for your work
  • Attractive health coverage package for US employees
  • $3000 Yearly budget for your individual learning and development goals
  • Work alongside the brightest minds in the crypto space
  • Help save the world by ensuring crypto remains decentralized, permissionless and censorship-resistant
  • Remote working - work from anywhere in the world
  • Paid travel - 2 x team on-site in different parts of the world per year plus periodic travel to events

At Flashbots, we are committed to building a diverse and inclusive team. We welcome applications from all qualified candidates regardless of gender, race, ethnicity, religion, sexual orientation, age, or disability status.

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Gauntlet New York City / San Francisco / Los Angeles / Remote
🗓  Fri, Jun 21 Blockchain Computer Science Crypto Decentralized Systems Google Cloud Infrastructure Kubernetes Python Research Rust Solidity Company retreats Flexible/unlimited PTO Health/medical insurance
Gauntlet leads the field in quantitative research and optimization of DeFi economics. We manage market risk, optimize growth, and ensure economic safety for protocols facilitating the majority of trading, borrowing, and lending activity across all of DeFi, protecting and optimizing the largest protocols and networks in the industry. As of January 2024 Gauntlet manages risk and incentives covering over $13 billion in customer TVL. Gauntlet continually publishes cutting-edge research that informs our risk models, alerts, and analysis, and is the most cited institution — including academic institutions — in terms of peer-reviewed papers addressing DeFi as a subject. We’re a Series B company with around 60 employees, operating remote-first with a home base in New York City. Gauntlet’s mission is to drive adoption and understanding in the financial systems of the future . Bui
Gauntlet leads the field in quantitative research and optimization of DeFi economics. We manage market risk, optimize growth, and ensure economic safety for protocols facilitating the majority of trading, borrowing, and lending activity across all of DeFi, protecting and optimizing the largest protocols and networks in the industry. As of January 2024 Gauntlet manages risk and incentives covering over $13 billion in customer TVL.
Gauntlet continually publishes cutting-edge research that informs our risk models, alerts, and analysis, and is the most cited institution — including academic institutions — in terms of peer-reviewed papers addressing DeFi as a subject. We’re a Series B company with around 60 employees, operating remote-first with a home base in New York City.
Gauntlet’s mission is to drive adoption and understanding in the financial systems of the future. Building with decentralized systems creates novel challenges for mechanism designers, smart contract developers, and end-users of financial products, which are not seen in traditional software development and investing contexts. Gauntlet is dedicated to enhancing our industry’s understanding of this new domain, and revealing how to safely navigate the true bleeding edge of 21st century financial innovation.

Responsibilities

    • Use Python System Development Kit (SDK) to automate and scale simulation models for deployment on cloud infrastructure.
    • Develop scalable Extract, Transform, and Load (ETL) pipelines for analyzing public blockchain data and simulation results.
    • Design and implement a Python SDK that interfaces with Gauntlet’s C++ simulation engine.
    • Implement algorithms related to monetary transaction evaluation, risk management, income verification, and other predictive models.
    • Work directly with Gauntlet customers to create simulation models that fulfill clients’ business needs.
    • Build static analysis tools and agent-based simulations for smart contracts using Python, Rust &amp; C++.
    • Provide technical solutions to scaling backend systems, databases, and infrastructure that can scale to deployment on our platform using Python &amp; Google Cloud Platform.
    • Develop and enhance existing software systems, applications, and infrastructure to support the scaling of our platform to run all of our products using performance analysis with Python, Rust & C++.
    • Act as technical lead to create new technology solutions for scaling our developer tools, perform health checks of our application APIs, and ensure our platform's core data sets are standardized and accurate.
    • Ensure our Google Kubernetes engine orchestrates production-level code well.
    • Eligible to work remotely within the continental United States 100% of time.

Qualifications

    • Bachelor’s degree (or foreign equivalent) in Computer Science, Physics, or closely related
    • field.
    • Minimum 2 years using Python, Rust, or C++ to develop software systems, applications and infrastructure.
    • Min 1-year using cloud infrastructure tools for scaling infrastructure.
    • Min 1 year scaling backend systems using Python to be cost efficient &amp; perform reliable batch or streaming computations.

Bonus Points

    • Experience working in the crypto industry is a big plus but not required.
    • Enthusiasm for the space, especially DeFi, is very much desired.
    • Background in smart contract development (e.g., Solidity) or contributions to the DeFi community through research or open-source projects.
    • Experience with building data platforms at scale

Benefits and Perks

    • Remote first - work from anywhere in the US & CAN!
    • Regular in-person company retreats and cross-country "office visit" perk
    • 100% paid medical, dental and vision premiums for employees
    • Laptop, monitor, keyboard and mouse setup provided
    • $1,000 WFH stipend
    • Monthly reimbursement for home internet, phone, and cellular data
    • Unlimited vacation
    • 100% paid parental leave of 12 weeks
    • Fertility benefits
    • Opportunity for incentive compensation
Please note at this time our hiring is reserved for potential employees who are able to work within the contiguous United States and Canada. Should you need alternative accommodations, please note that in your application.
The national pay range for this role is $160,000 - $180,000 base plus additional On Target Earnings potential by level and equity in the company. Our salary ranges are based on paying competitively for a company of our size and industry, and are one part of many compensation, benefits and other reward opportunities we provide. Individual pay rate decisions are based on a number of factors, including qualifications for the role, experience level, skill set, and balancing internal equity relative to peers at the company.  
#LI-Remote

Apply Now:

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CoPro Remote
We are building a team around a new product release ddMesh which is a decentralized cloud database marketplace. Think "FileCoin for Databases" or "Web3 Airbnb for Databases". The cloud database market has &gt;70% profit margins and is ripe for disruption. Only a decentralized model can make a credible claim that the marketplace will continue to foster fair competition. Web2 business models introduce a centralized middleman that always eventually turns against the users in favour of profit. We will be launching the DApp on its own native blockchain (most likely an L2 or L3 app-chain using op stack or else cosmos tendermint evmos). Fundamental understanding of computation. (expect theory questions ) Fundamental understanding blockchains (expect L2, and bridging questions ) Solidity goLang (the daemon listening to blockchian events will be in goLang)

We are building a team around a new product release ddMesh which is a decentralized cloud database marketplace. Think "FileCoin for Databases" or "Web3 Airbnb for Databases".

The cloud database market has >70% profit margins and is ripe for disruption. Only a decentralized model can make a credible claim that the marketplace will continue to foster fair competition. Web2 business models introduce a centralized middleman that always eventually turns against the users in favour of profit.
We will be launching the DApp on its own native blockchain (most likely an L2 or L3 app-chain using op stack or else cosmos tendermint evmos).

  • Fundamental understanding of computation. (expect theory questions )
  • Fundamental understanding blockchains (expect L2, and bridging questions )
  • Solidity
  • goLang (the daemon listening to blockchian events will be in goLang)
  • hardhat
  • devops / ci-cd
  • git
  • linux server management (we will run some of our own nodes)

Salary is flexible depending on seniority level. We have space for 1 junior entry level, 2 mid, 2 seniors at the time of writing.

Apply Now:

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