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bloXroute EU timezone
bloXroute is looking to hire a Technical Support Manager to join their team. This is a full-time position that can be done remotely anywhere in EU timezone. bloXroute - The leader in mempool services, block streaming and DeFi performance.

bloXroute is looking to hire a Technical Support Manager to join their team. This is a full-time position that can be done remotely anywhere in EU timezone.

bloXroute - The leader in mempool services, block streaming and DeFi performance.

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Matter Labs Remote
Matter Labs is looking to hire a Developer Relations Engineer to join their team. This is a full-time position that is 100% remote with no geographical restrictions. Work remotely from anywhere. Matter Labs - Hyperscaling Ethereum with ZK tech.

Matter Labs is looking to hire a Developer Relations Engineer to join their team. This is a full-time position that is 100% remote with no geographical restrictions. Work remotely from anywhere.

Matter Labs - Hyperscaling Ethereum with ZK tech.

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Base India
🗓  Sat, Jan 11 📍 India Crypto Ethereum Non tech
Base is looking to hire an India Lead to join their team. This is a full-time position that can be done remotely anywhere in India. Base - A secure, low-cost, builder-friendly Ethereum L2 built to bring the next billion users onchain.

Base is looking to hire an India Lead to join their team. This is a full-time position that can be done remotely anywhere in India.

Base - A secure, low-cost, builder-friendly Ethereum L2 built to bring the next billion users onchain.

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Scroll Remote
Scroll is looking to hire a Senior Technical Support Engineer to join their team. This is a full-time position that is 100% remote with no geographical restrictions. Work remotely from anywhere. Scroll - Scroll is a Layer 2 scaling solution for Ethereum, specifically focusing on zkRollups.

Scroll is looking to hire a Senior Technical Support Engineer to join their team. This is a full-time position that is 100% remote with no geographical restrictions. Work remotely from anywhere.

Scroll - Scroll is a Layer 2 scaling solution for Ethereum, specifically focusing on zkRollups.

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Linea US
🗓  Sat, Jan 11 📍 USA Crypto Ethereum Layer 1
Linea is looking to hire a Security Lead to join their team. This is a full-time position that can be done remotely anywhere in the United States. Linea - A developer ready zk rollup powered by Consensys, enabling the next generation of Ethereum builders.

Linea is looking to hire a Security Lead to join their team. This is a full-time position that can be done remotely anywhere in the United States.

Linea - A developer ready zk rollup powered by Consensys, enabling the next generation of Ethereum builders.

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Coinbase Remote - UK
Ready to be pushed beyond what you think you’re capable of? At Coinbase, our mission is to increase economic freedom in the world. It’s a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform — and with it, the future global financial system. To achieve our mission, we’re seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the financial system. We want someone who is eager to leave their mark on the world, who relishes the pressure and privilege of working with high caliber colleagues, and who actively seeks feedback to keep leveling up. We want someone who will run towards, not away from, solving the company’s hardest problems. Our work culture is intense and isn’t for everyone. But if you want to build the future alongside others who excel in their disc

Ready to be pushed beyond what you think you’re capable of?

At Coinbase, our mission is to increase economic freedom in the world. It’s a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform — and with it, the future global financial system.

To achieve our mission, we’re seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the financial system. We want someone who is eager to leave their mark on the world, who relishes the pressure and privilege of working with high caliber colleagues, and who actively seeks feedback to keep leveling up. We want someone who will run towards, not away from, solving the company’s hardest problems.

Our work culture is intense and isn’t for everyone. But if you want to build the future alongside others who excel in their disciplines and expect the same from you, there’s no better place to be.

Coinbase is seeking experienced backend engineers to join our team to build out the next generation of crypto-forward products and features. You will solve unique, large scale, highly complex technical problems, bridging the constraints posed by web-scale applications and blockchain technology. You will help build the next generation of systems to make cryptocurrency accessible to everyone across the globe, operating real-time applications with high frequency, low latency updates, and managing the most secure, dockerized infrastructure running in the cloud.

What you'll be doing:

  • Deliver creative customer facing features to bring 1 billion people on chain.
  • Articulate a long term vision for maintaining and scaling our backend systems.
  • Work with engineers, designers, product managers and senior leadership to turn our product and technical vision into a tangible roadmap every quarter.
  • Write high quality, well tested code to meet the needs of your customers

What we look for in you:

  • You have at least 2+ years of experience in software engineering.
  • You've designed, built, scaled and maintained production services, and know how to compose a service oriented architecture.
  • You write high quality, well tested code to meet the needs of your customers.
  • You're passionate about building an open financial system that brings the world together.

Nice to haves:

  • You have gone through a rapid growth in your company (from startup to mid-size).
  • You've build growth experiments or A/B tests.
  • You have experience with Blockchains (such as Bitcoin, Ethereum etc..)
  • You have experience decomposing a large monolith into microservices.
  • You've worked with Golang, Ruby, Docker, Sinatra, Rails, Postgres, MongoDB or Redshift.
  • You've built financial, high reliability or security systems.
  • You have Crypto-forward experience, including familiarity with onchain activity such as interacting with Ethereum addresses, using ENS, and engaging with dApps or blockchain-based services.

Job#: GCBE04UK

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 programin 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 - USA
🗓  Fri, Jan 10 Blockchain Crypto Ethereum Fintech Go Dental insurance Health/medical insurance
Ready to be pushed beyond what you think you’re capable of? At Coinbase, our mission is to increase economic freedom in the world. It’s a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform — and with it, the future global financial system. To achieve our mission, we’re seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the financial system. We want someone who is eager to leave their mark on the world, who relishes the pressure and privilege of working with high caliber colleagues, and who actively seeks feedback to keep leveling up. We want someone who will run towards, not away from, solving the company’s hardest problems. Our work culture is intense and isn’t for everyone. But if you want to build the future alongside others who excel in their disc

Ready to be pushed beyond what you think you’re capable of?

At Coinbase, our mission is to increase economic freedom in the world. It’s a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform — and with it, the future global financial system.

To achieve our mission, we’re seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the financial system. We want someone who is eager to leave their mark on the world, who relishes the pressure and privilege of working with high caliber colleagues, and who actively seeks feedback to keep leveling up. We want someone who will run towards, not away from, solving the company’s hardest problems.

Our work culture is intense and isn’t for everyone. But if you want to build the future alongside others who excel in their disciplines and expect the same from you, there’s no better place to be.

We’re looking to hire a Senior Staff Software Engineer to join one of our teams within the Platform Product Group. The Platform Product Group’s mission is to build a trusted, scalable, and compliant platform to maximize velocity, efficiency and quality. They build the foundations that can be used by multiple products and teams at Coinbase so that users can have a consistent and high-quality experience.

About the team:

FinHub is at the core of Coinbase, processing and recording fund movements for our clients and our business. We are responsible for processing transactions across crypto, fiat and internal wallet, and managing the assets for our users including providing portfolio performance, user tax optimizations etc. With rapid growth of the industry and the company, our scale and complexity of operations quickly surpassed the original design of typical ledgering systems. Currently, we are taking on a challenge to unlock the next level of evolution for fund movements architecture. This is a unique opportunity to redesign foundational systems that will set Coinbase up for success in the next decade.

What you’ll be doing (ie. job duties):

  • Design and implement next generation core FinTech systems that power Coinbase
  • Interact with stakeholders in many different organizations that build Coinbase products or responsible for financial operations
  • Participate in shaping of the strategy and execution path of FinHub
  • Manage individual projects priorities, deadlines and deliverables with your technical expertise
  • Mentor and train other team members on design techniques and coding standards
  • Write high quality, well tested code to meet the needs of your customers.

What we look for in you (ie. job requirements):

  • 12 + years of experience in backend software engineering using Golang or similar languages
  • Domain expertise in FinTech and / or trading
  • Proven track record of delivering impactful solutions that power significant fund flows
  • You’ve designed, built, scaled and maintained high throughput and low latency production services
  • You’ve experience in architecting and developing solutions to ambiguous problems with significant impact
  • Strong technical knowledge of building distributed systems that process massive scale
  • Solid communication skills, ability to communicate to stakeholders with various technical and non-technical backgrounds
  • Relentless drive to set and perseverance to achieve ambitious goals
  • Passion for building an open financial system that brings the world together

Nice to haves:

  • Practical experience of building ledgering or trading systems at large scale
  • Experience both in startups and large enterprises
  • Crypto-forward experience, including familiarity with onchain activity such as interacting with Ethereum addresses, using ENS, and engaging with dApps or blockchain-based services

Job ID: GPBE07US

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:
$246,500—$290,000 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 programin 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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Sovrun Remote
We are looking for a Blockchain Developer who will build and deploy smart contracts on ethereum based applications. Responsibilities Responsible for the full life cycles of blockchain development. Map business requirements to blockchain system architecture and system module design. Work with the executive and engineering leadership teams to establish, execute and achieve business objectives. Ensuring that the technical vision and timelines are met for all company developed smart contracts. Develop an in-depth understanding of the problem domain and work with the team to craft technical solutions. Craft code and review smart contracts. Analyze transaction and usage statistics to identify and prioritize areas for improvement. Build smart contracts and back end web services that interact with various blockchains technologies.

We are looking for a Blockchain Developer who will build and deploy smart contracts on ethereum based applications.

Responsibilities

  • Responsible for the full life cycles of blockchain development.
  • Map business requirements to blockchain system architecture and system module design.
  • Work with the executive and engineering leadership teams to establish, execute and achieve business objectives.
  • Ensuring that the technical vision and timelines are met for all company developed smart contracts.
  • Develop an in-depth understanding of the problem domain and work with the team to craft technical solutions.
  • Craft code and review smart contracts.
  • Analyze transaction and usage statistics to identify and prioritize areas for improvement.
  • Build smart contracts and back end web services that interact with various blockchains technologies.
  • Other tasks may be assigned
  • Diploma/Bachelor degree or above, major in computer science.
  • Experience writing high-quality, well-tested Solidity smart contracts.
  • Strong background in Typescript/Javascript or Go
  • Expertise in building web services for highly trafficked web services.
  • Ability to work with and manage remote teams.
  • Strong understanding of decentralized applications and cryptocurrency tokens.
  • Understand blockchain-related mechanisms and underlying implementation principles, and understand the blockchain protocols and principles of smart contracts.
  • HMO
  • Work From Home
  • Tokens
  • Leave Credits
  • Training & Development

Apply Now:

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Dydx Remote
At dYdX you'll have an opportunity to build state-of-the-art decentralized technologies that will redefine global financial markets. By joining us at this stage in our growth, you will help make fundamental decisions that will shape the course of dYdX.  → Learn more about working at dYdX ABOUT dYdX: We’ve built the world’s leading decentralized exchange for advanced trading of crypto assets dYdX is founded by an ex-Coinbase, ex-Uber engineer, with a Princeton CS background. Our team has previous experience at Coinbase, Uniswap, Google, Amazon, Lyft, Meta and other top companies We're a world-class team with top backers and advisors, including Andreessen Horowitz, Polychain Capital, Brian Armstrong, Fred Ehrsam, Naval Ravikant, Elad Gil, and more  Software Engineer – dYdX Trading, Inc. (New York, NY) Write low latency financial software that will process billions of dollars a day worth of trading volume, including order book matching engines, trading engines, a

At dYdX you'll have an opportunity to build state-of-the-art decentralized technologies that will redefine global financial markets. By joining us at this stage in our growth, you will help make fundamental decisions that will shape the course of dYdX.  → Learn more about working at dYdX ABOUT dYdX:

We’ve built the world’s leading decentralized exchange for advanced trading of crypto assets dYdX is founded by an ex-Coinbase, ex-Uber engineer, with a Princeton CS background. Our team has previous experience at Coinbase, Uniswap, Google, Amazon, Lyft, Meta and other top companies We're a world-class team with top backers and advisors, including Andreessen Horowitz, Polychain Capital, Brian Armstrong, Fred Ehrsam, Naval Ravikant, Elad Gil, and more  Software Engineer – dYdX Trading, Inc. (New York, NY) Write low latency financial software that will process billions of dollars a day worth of trading volume, including order book matching engines, trading engines, and REST and WebSocket API endpoints. Develop open source blockchain-based code that powers the dYdX protocol. Build high performance REST and WebSocket APIs to power the front-end application as well as programmatic traders. Write open-source TypeScript and Python client-side applications that allow users to interact directly with on-chain smart contracts.  Requires a Bachelor’s degree in Computer Science or a related field and 3 years of experience or alternatively, a Master’s degree in same and 1 year of experience. Experience must include working with blockchain platforms (Cosmos SDK, Ethereum), distributed systems, smart contracts, and Amazon Web Services (AWS) EC2/Glue/S3/Athena, as well as tools including Golang, React, TypeScript, Docker, Linux and Python.  The pay range for this role in New York City is $130,000 to $230,000.

Apply Now:

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Vac Remote
🗓  Wed, Jan 8 C C# C++ Crypto Ethereum Go Java Nim P2P Research Rust Stacks libp2p Pays in crypto
Who we are P2P networks are at the heart of decentralized technologies and libp2p has quickly gained popularity as the goto p2p stack. We, the Vac P2P R&D service unit, have successfully implemented and deployed a full fledged libp2p stack, which is now powering the Nimbus Ethereum 2 client as well as Waku . Our implementation is written in Nim - an efficient, expressive and elegant programming language. Besides developing nim-libp2p , we conduct applied P2P research and take part in the libp2p specification process. The role: As the Lead P2P Engineer, you will spearhead a small team dedicated to advancing the nim-libp2p project and conducting libp2p-related research. Your role involves fostering a collaborative and innovative environment where knowledge sharing and skill development thrive. You will oversee the project lifecycle, ens

Who we are

P2P networks are at the heart of decentralized technologies and libp2p has quickly gained popularity as the goto p2p stack.

We, the Vac P2P R&D service unit, have successfully implemented and deployed a full fledged libp2p stack, which is now powering the Nimbus Ethereum 2 client as well as Waku.

Our implementation is written in Nim - an efficient, expressive and elegant programming language. Besides developing nim-libp2p, we conduct applied P2P research and take part in the libp2p specification process.

The role:

As the Lead P2P Engineer, you will spearhead a small team dedicated to advancing the nim-libp2p project and conducting libp2p-related research. Your role involves fostering a collaborative and innovative environment where knowledge sharing and skill development thrive. You will oversee the project lifecycle, ensuring the timely delivery of milestones while actively participating in the libp2p community through discussions and events.

Your research will drive advancements in libp2p, leading to practical implementations that contribute to specifications, ensuring they are accessible and usable. You will engage with IFT project teams to gather requirements, aligning project goals with broader organizational objectives.

A deep understanding of the full codebase will enable you to address ad-hoc tasks effectively, acting as a resource for your team to focus on their primary responsibilities.

You will implement libp2p protocols according to existing specifications and further the architecture and development of the nim-libp2p implementation.

Key responsibilities

  • Lead and mentor a small team of P2P engineers, fostering a collaborative and innovative work environment.
  • Facilitate knowledge sharing and skill development among team members
  • Oversee the nim-libp2p project lifecycle, ensuring timely delivery of project milestones.
  • Actively participate in the libp2p community, contributing to discussions, and events.
  • Conduct research to explore advancements in libp2p
  • Create practical implementations of research outputs and contribute to libp2p specifications, ensuring they are accessible and usable.
  • Engage with IFT project teams to gather requirements and ensure alignment on project goals.
  • Develop a thorough understanding of the full codebase to effectively address and resolve ad-hoc tasks and issues.
  • Act as a resource for the team, enabling them to focus on their primary responsibilities by handling urgent or unforeseen technical challenges
  • Implement libp2p protocols according to existing specifications
  • Further architecture and development of the nim-libp2p implementation

You ideally will have

  • A passion for decentralization, P2P and privacy-preserving technology
  • Strong leadership skills to mentor and guide a team, fostering collaboration and productivity
  • Experience in managing projects, including planning, execution, and stakeholder communication
  • Ability to handle team dynamics and resolve conflicts effectively
  • Excellent communication skills to interact with team members, stakeholders, and the broader community
  • Willingness to adapt to changing project requirements and priorities
  • Strong engineering background
  • In-depth knowledge of peer-to-peer networking protocols
  • Experience with low level/strongly typed languages (C/C++/Go/Rust or Java/C#)
  • Experience building networking-heavy applications and p2p networking specifically
  • Experience implementing core networking protocols such as Websockets and/or Quic
  • Familiar with p2p building blocks such as gossiping, routing and discovery (DHTs), and Nat traversal
  • Knowledge of security protocols and practices for securing P2P networks and protecting data
  • A strong alignment to our mission

Bonus points

  • Experience working remotely
  • Experience working for an open source organization
  • Previous experience with libp2p - preferably as a direct contributor to the codebase or specifications
  • Or, experience with other off-the-shelf networking stacks such as devp2p
  • Experience with the Nim language

[Don’t worry if you don’t meet all of these criteria, we’d still love to hear from you anyway if you think you’d be a great fit for this role. Just explain to us why in your cover letter].

Interview Process

  • Interview with our POps team
  • Interview with a member of an IFT BU using nim-libp2p
  • Pair programming interview with a member of an IFT BU using nim-libp2p
  • Interview with Vac team 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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Vac Remote
🗓  Wed, Jan 8 C C# C++ Crypto Ethereum Go Java Nim P2P Research Rust Stacks libp2p Pays in crypto
Who we are P2P networks are at the heart of decentralized technologies and libp2p has quickly gained popularity as the goto p2p stack. We, the Vac P2P R&D service unit, have successfully implemented and deployed a full fledged libp2p stack, which is now powering the Nimbus Ethereum 2 client as well as Waku . Our implementation is written in Nim - an efficient, expressive and elegant programming language. Besides developing nim-libp2p , we conduct applied P2P research and take part in the libp2p specification process. The role As a P2P Engineer you will play a key role in the development and advancement of decentralized networking technologies by implementing libp2p protocols, and contributing to the evolution of the nim-libp2p implementation. The role involves implementing libp2p protocols according to existing

Who we are

P2P networks are at the heart of decentralized technologies and libp2p has quickly gained popularity as the goto p2p stack.

We, the Vac P2P R&D service unit, have successfully implemented and deployed a full fledged libp2p stack, which is now powering the Nimbus Ethereum 2 client as well as Waku.

Our implementation is written in Nim - an efficient, expressive and elegant programming language.

Besides developing nim-libp2p, we conduct applied P2P research and take part in the libp2p specification process.

The role

As a P2P Engineer you will play a key role in the development and advancement of decentralized networking technologies by implementing libp2p protocols, and contributing to the evolution of the nim-libp2p implementation.

The role involves implementing libp2p protocols according to existing specifications, as well as collaborating with researchers to support the practical application of new advancements in libp2p, transforming research outputs into usable implementations.

Key responsibilities

  • Implement libp2p protocols according to existing specifications
  • Further architecture and development of the nim-libp2p implementation
  • Support researchers who conduct research exploring advancements in libp2p
  • Create practical implementations of research outputs and contribute to libp2p specifications, ensuring they are accessible and usable

You ideally will have

  • A passion for decentralization, P2P and privacy-preserving technology
  • Excellent communication skills
  • Willingness to adapt to changing project requirements and priorities
  • Strong engineering background
  • In-depth knowledge of peer-to-peer networking protocols
  • Experience with low level/strongly typed languages (C/C++/Go/Rust or Java/C#)
  • Experience building networking-heavy applications and p2p networking specifically
  • Experience implementing core networking protocols such as Websockets and/or Quic
  • Familiar with p2p building blocks such as gossiping, routing and discovery (DHTs), and Nat traversal
  • Knowledge of security protocols and practices for securing P2P networks and protecting data
  • A strong alignment to our principles

Bonus points

  • Experience working remotely
  • Experience working for an open source organization
  • Previous experience with libp2p - preferably as a direct contributor to the codebase or specifications
  • Or, experience with other off-the-shelf networking stacks such as devp2p
  • Experience with the Nim language

[Don’t worry if you don’t meet all of these criteria, we’d still love to hear from you anyway if you think you’d be a great fit for this role. Just explain to us why in your cover letter].

Interview Process

  • Interview with our POps team
  • Interview with a member of an IFT BU using nim-libp2p
  • Pair programming interview with a member of an IFT BU using nim-libp2p
  • Interview with Vac team 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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Shardeum Foundation Remote
About The Role: The Engineering team at Shardeum is responsible for delivering the Shardeum Mainnet and developing critical components such as the smart contract platform, consensus layer, and protocol layer. As part of this team, the SDET (Software Development Engineer in Test) will play a key role in ensuring the quality, reliability, and performance of Shardeum’s decentralized platform through robust test automation, debugging, and validation processes. This role is ideal for engineers who have a passion for test automation, load testing , and identifying root causes of bugs to enhance blockchain performance and scalability. If you’re excited about solving unique challenges in the Web3 space and driving innovation in blockchain testing methodologies, we want to hear from you! What You'll Be Doing: Analyze bug tickets, debug code, and identify the root cause

About The Role:

The Engineering team at Shardeum is responsible for delivering the Shardeum Mainnet and developing critical components such as the smart contract platform, consensus layer, and protocol layer. As part of this team, the SDET (Software Development Engineer in Test) will play a key role in ensuring the quality, reliability, and performance of Shardeum’s decentralized platform through robust test automation, debugging, and validation processes.

This role is ideal for engineers who have a passion for test automation, load testing, and identifying root causes of bugs to enhance blockchain performance and scalability. If you’re excited about solving unique challenges in the Web3 space and driving innovation in blockchain testing methodologies, we want to hear from you!

What You'll Be Doing:

  • Analyze bug tickets, debug code, and identify the root cause of errors across the Shardeum platform.
  • Design, develop, and maintain test automation frameworks and reusable test scripts to validate core functionality, including nodes, consensus mechanisms, smart contracts, and blockchain transactions.
  • Develop and execute load testing scripts to validate system performance under high transaction loads and varying node configurations.
  • Create comprehensive test coverage through functional, integration, system, and regression testing while optimizing test suites and identifying performance bottlenecks.
  • Develop end-to-end (E2E) test cases for complex workflows, ensuring reliability of consensus protocols and smart contract execution.
  • Collaborate closely with development teams to integrate testing into CI/CD pipelines, improve testing workflows, and troubleshoot dependency failures.
  • Build and maintain internal tools to improve developer experience, productivity, and test efficiency.
  • Troubleshoot highly complex automated testing failures using industry-standard frameworks and custom tools, working with developers and backend partners to triage issues and improve E2E reliability.
  • Develop monitoring tools and utilities to track blockchain-specific performance metrics and test results.
  • Participate actively in agile ceremonies, including sprint planning, stand-ups, and retrospectives, to drive testing best practices.
  • Continuously research and adopt innovative tools, frameworks, and testing methodologies to improve quality, scalability, and efficiency of testing processes.

What We're Looking For:

  • 5+ years of experience in Software Engineering or SDET roles with a focus on automated testing.
  • Strong expertise in designing and maintaining test automation frameworks (e.g., Jest, Playwright) and load testing tools (e.g., k6, JMeter).
  • Proficiency in programming languages like TypeScript/JavaScript or Node.js, with the ability to develop robust and reusable test scripts.
  • Proven ability to analyze and debug complex codebases, troubleshoot multi-tier web architecture issues, and identify root causes of failures.
  • Experience integrating automated tests into CI/CD workflows (e.g., GitHub Actions, Jenkins).
  • Expertise in defining and implementing release, regression, and smoke testing strategies for large, multi-team applications.
  • Experience with white-box testing methodologies to ensure deep validation of internal components.
  • Strong problem-solving and critical-thinking skills, particularly in analyzing blockchain-specific issues.
  • You have a tester mindset, are curious, and excel at designing innovative and interesting test scenarios.
  • You are creative in applying proven tools/test frameworks as well as crafting new solutions to challenging problems.
  • Knowledge of Agile/Scrum methodologies and the software development lifecycle.
  • Excellent verbal and written communication skills for clear bug reporting and collaboration across teams.

We'd Love If You Have:

  • Experience with testing decentralized applications (dApps), consensus protocols, or blockchain platforms.
  • Experience in running nodes within blockchain networks and monitoring performance metrics.
  • Familiarity with blockchain tools and frameworks (e.g., Web3.js, Hardhat, Truffle).
  • Contributions to open-source projects related to testing, automation, or blockchain.
  • A passion for emerging technologies, including Web3, AI, and distributed systems.
  • Experience using or contributing to the Shardeum open-source repos.
  • Familiarity with blockchain performance benchmarks and profiling tools.
  • Knowledge of the Bitcoin and Ethereum whitepapers.

Apply Now:

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GammaSwap Remote
Send CV to email if you think you are a fit. Who We Are GammaSwap is building the worlds first perpetual option protocol. GammaSwap perpetual options can be used to hedge Impermanent Loss or to long volatility on a token pair. We also have yield tokens that provide liquidity onchain while hedging IL (think Ethena but for any token) that will be launching this month. We have plenty of other products we want to build down the line as well. In the last few months, usage of the protocol has increased dramatically and we are looking for engineers to help us scale. As a team, we value freedom, constructive and open dialogues, and credibly neutral protocols. Who You Are A senior engineer who c
Send CV to email if you think you are a fit.
Who We Are
 
GammaSwap is building the worlds first perpetual option protocol. GammaSwap perpetual options can be used to hedge Impermanent Loss or to long volatility on a token pair. We also have yield tokens that provide liquidity onchain while hedging IL (think Ethena but for any token) that will be launching this month. We have plenty of other products we want to build down the line as well.
 
In the last few months, usage of the protocol has increased dramatically and we are looking for engineers to help us scale.
 
As a team, we value freedom, constructive and open dialogues, and credibly neutral protocols.
Who You Are
 
A senior engineer who can develop and maintain a robust server-side system to process blockchain event data, integrating subgraphs and relational databases to service our front end application. The ideal candidate will have experience in server-side development, blockchain technology (subgraphs & solidity), and database development, with a strong understanding of decentralized finance concepts.
 
You have a passion for building bleeding-edge technology on the blockchain and pushing forward innovation in DeFi. You’re a creative thinker and analytical problem solver who is inspired by the opportunity to build new startups and products and is unafraid to push the boundaries of what’s possible with technology. You possess a deep mastery of other open-source technologies that power the web. You can write and speak fluent English.
 
Responsibilities
 
  • Design and maintain secure, efficient, and scalable server-side applications using Node.js. for use by our front end application
  • Develop and maintain relational databases (e.g., MySQL, PostgreSQL) to process and store blockchain data for server side node applications
  • Develop and maintain subgraphs (e.g. using theGraph or GoldSky) to query and process blockchain event data.
  • Collaborate with the team and cross-functional partners on all aspects of product development.
  • Identify and advocate for team-wide areas of improvement and best practices.
Requirements
 
  • Strong expertise in Node.js and secure and scalable server-side application development
  • Strong expertise in relational database development (e.g., MySQL, PostgreSQL)
  • Strong experience with subgraph development using TheGraph Protocol, GoldSky, or similar
  • Strong experience with node blockchain development libraries (e.g. Web3 libraries such as ethers.js, viem.js, etc)
  • Basic understanding of Solidity and smart contract functionality in Ethereum and Layer 2 environments. This is not a smart contract development role but you need to understand how smart contracts work to integrate with the server side applications.
  • Ability to quickly iterate and ship code using test-driven development patterns
Preferred Skills
 
  • Understanding of financial markets or DeFi protocols is a strong plus
  • Familiarity with cloud platforms (AWS, Azure, Google Cloud, DigitalOcean) and containerization tools like Docker
  • Knowledge of blockchain security best practices and vulnerability mitigation
  • Experience with version control, such as Git
 

Apply Now:

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Nethermind Remote
What are we all about? We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems. Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering. Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more. Today, we are a 350+ strong team working remotely across 66+ countries. The role We’re seeking an experienced Smart Contract Security Auditor to join our t

What are we all about?

We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.

Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.

Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.

Today, we are a 350+ strong team working remotely across 66+ countries.

The role

We’re seeking an experienced Smart Contract Security Auditor to join our team in safeguarding Web3 protocols and applications. As a key member of our security team, you’ll conduct comprehensive audits of smart contracts while contributing to our blockchain infrastructure development.

Responsibilities:

  • Work directly with protocols in the Solana, Ethereum, StarkNet, and Polkadot ecosystems to review their code and help secure their protocols.
  • Perform thorough security audits of smart contracts written in Solidity
  • Develop and maintain security tooling using Golang to enhance our audit capabilities
  • Collaborate with teammates to maintain and continually improve our existing blockchain security tools using modern software engineering practices.
  • Develop new blockchain security tools.
  • Engage in meetings with clients to discuss security and best practice improvements.

Skills:

  • Understanding of blockchain technology and the Ethereum network.
  • Solid understanding of the Ethereum Virtual Machine.
  • Fluency in Solidity smart contract security and Golang audit.
  • Detailed understanding of common smart contract vulnerabilities.
  • Fluency with common tools and frameworks used for the development and security analysis of smart contracts.
  • Strong debugging skills and/or experience in reverse engineering.
  • Portfolio of audit report.

Nice to Haves:

  • Good written and verbal communication skills.
  • Understanding of most common DeFi applications.
  • Publicly visible audit reports in your portfolio.

Keep up to date on what we are working on by following us on our social channels:

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Nethermind APAC
What are we all about? We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems. Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering. Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more. Today, we are a 350+ strong team working remotely across 66+ countries. Links: Nethermind - Crypto, AI and Robotics Projects:

What are we all about?

We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.

Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.

Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.

Today, we are a 350+ strong team working remotely across 66+ countries.

Links: Nethermind - Crypto, AI and Robotics

Projects:

What We Need

  • An engineering manager who is hyper-focused on delivering concrete results while staying excited by the big picture.
  • Experienced in leading software teams that ship fast, experiment often, and hand off to product at the right time.
  • Hands-on coder but knows when to pull back.
  • Views programming languages as easily learnable tools, not identities.
  • Driven to optimize everything with AI, leveraging both traditional software and cutting-edge techniques.
  • Understanding blockchain or decentralized systems and LLMs is a plus. Personal projects in these areas are required.
  • Fully open attitude: embrace the public domain. Production must be robust, but everything else (ideas, prototypes, experiments) should be publicly accessible.

Role & Responsibilities

  • Hire and guide leads for multiple AI x Crypto x Blockchain projects.
  • Oversee rapid PoC delivery, ensuring minimal friction and maximum velocity.
  • Collaborate closely with product managers for timely, high-quality releases.
  • Contribute code where it counts.
  • Align with an open ethos—innovate in public, build out loud, and keep the end-user ecosystem thriving.
  • Comfortably terminate and iterate on projects.
  • Liaise with the group manager to set up new AI x Crypto and Robotics projects.

Requirements

  • Evidence of having led multiple small to large teams
  • Experience shipping open-source code with considerable adoption
  • You must be replacing all your interfaces with LLMs

Nice to have

  • Experience shipping projects from genesis
  • Robotics is not required (we have a hardware team), but some understanding of this space is good
  • If these projects are for you, you will feel it. It will be fun, but it will be hard when the air bubble explodes. We will keep building.

Keep up to date on what we are working on by following us on our social channels:

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Offchain Labs Remote
🗓  Tue, Dec 31 Arbitrum Blockchain Computer Science Crypto Developer relations EVM Ethereum Go Rust Solidity 401k Health/medical insurance Vision insurance
At Offchain Labs, we are not just building products — we’re leading a movement. We are committed to creating a decentralized, secure, and transparent future through blockchain technology. Our mission is to push the boundaries of blockchain innovation and foster a creative, collaborative, and inclusive culture where ideas can come to life. We know that the future of blockchain technology is limitless, and the best way to achieve this is by working with the brightest minds. We’re looking for thinkers and doers who are eager to embrace new challenges and seek solutions that will push existing boundaries. If you believe in the importance of transparency, trust, and the decentralization of control, and if you’re curious, adaptable, and want to disrupt the status quo, then we want to hear from you. Why Offchain Labs? Our team is commit
At Offchain Labs, we are not just building products — we’re leading a movement. 
We are committed to creating a decentralized, secure, and transparent future through blockchain technology. Our mission is to push the boundaries of blockchain innovation and foster a creative, collaborative, and inclusive culture where ideas can come to life. We know that the future of blockchain technology is limitless, and the best way to achieve this is by working with the brightest minds. 
We’re looking for thinkers and doers who are eager to embrace new challenges and seek solutions that will push existing boundaries. If you believe in the importance of transparency, trust, and the decentralization of control, and if you’re curious, adaptable, and want to disrupt the status quo, then we want to hear from you. 
Why Offchain Labs?
Our team is committed to bridging the gap between the current state of blockchain and its potential. Our flagship product, Arbitrum One, is a dominant force in Ethereum scaling and is trusted by enterprises, developers, and users worldwide. But that’s just the beginning. Our passionate team is constantly building on this success, rolling out innovative tools such as Arbitrum AnyTrust, Arbitrum Orbit, Stylus, BoLD, and Arbitrum Nitro. Offchain Labs also contributes to the Ethereum core protocol with the Prysm consensus client.
Following the successful raising of $3.8M in seed funding in January 2019, as well as $20M in Series A and $100M in Series B funding in 2021, we are looking to expand our team. We invite individuals with a strong interest in blockchain and a talent for approaching problems from unique perspectives to join us in shaping the future of this dynamic field.
As part of the Product team at Offchain Labs, you will get to work with leaders in the blockchain space solving novel technical, economic, and social challenges. In this role you’ll work directly with leading application teams to improve their experience using Arbitrum technology and accelerate their growth through direct contribution. You’ll also serve as an advocate and educator generally, interacting with the developer ecosystem online and in-person. You’ll collaborate closely with our engineering team, third-party teams in the Arbitrum ecosystem, and company leaders, including our CTO and Head of Product.

What you'll do:

    • Proactively identify, contribute to, and advocate for strategic partnerships with promising application teams, fostering an ecosystem of the most engaging on-chain experiences
    • Own developer success across leading application teams in the Arbitrum ecosystem, working alongside builders to solve challenges involved in using and integrating with Arbitrum technology, and accelerating their development
    • Work directly with the Product team to relay and incorporate feedback from projects and the developer community into our roadmap, and help shape the go-to-market strategy of new products, especially for the developer audience
    • Work alongside our engineers to improve our tooling, from the Arbitrum SDK to custom tooling aimed at launching new chains, and assist with the creation of tutorials, demos, and other reference materials
    • Be an advocate in the developer ecosystem (spanning web2 and web3), building relationships with developers and related organizations (accelerators, dev shops, hackathon organizers, etc.) to grow awareness of Offchain Labs products among developers
    • Represent Offchain Labs at developer events and assist with live coding sessions, speaking at conferences, virtual meetups, and hackathons, working with our Marketing and Events team to prioritize and attend key events

What you'll need:

    • Passion for and understanding of blockchain technologies
    • Experience leading teams in development and experimentation
    • Excellent verbal communication and written skills
    • Strong collaboration skills with both internal and external teams
    • Competent Computer Science fundamentals or previous development experience
    • Experience writing Rust, Solidity or Golang
    • Experience writing and deploying smart contracts in EVM environments

Perks:

    • Remote-first global workforce + soon to open NY office headquarters
    • Annual company offsite (last year, Bahamas!)
    • Opportunity for subsidized attendance to industry conferences
    • Medical, dental & vision coverage (US + some other countries)
    • 401k retirement plan + company match (US only)
    • Home office set up / ergonomic equipment matching program.
Attention Offchain Labs Job Seekers:
Please be advised that there has been a rise in fraudulent recruiter activities, particularly within the Web3 space. If you would like to confirm whether someone is an OCL employee or the legitimacy of an offer you received, please email email
At Offchain Labs, we believe that diversity, equity, inclusion and belonging are essential to our success. We are committed to building a welcoming and supportive workplace for all employees, regardless of their background or identity. We strive to create an environment where everyone feels valued and has an equal opportunity to succeed and thrive. We encourage candidates from all walks of life to apply and join our team.

Apply Now:

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Monad Foundation Remote
🗓  Mon, Dec 30 Blockchain Computer Science Crypto Developer relations EVM Ethereum Layer 1 Solidity Travel TypeScript Dental insurance Health/medical insurance Vision insurance
At Monad Foundation , we are a team of dedicated ecosystem and community builders who are on a mission to usher in a future powered by blockchain technology. We believe that the Monad blockchain--a performant and parallel EVM Layer 1--can bring that future into the present. The Role We are looking for a Senior Developer Relations Engineer to focus on growing and supporting Monad’s early builder community. You will cultivate a community of ambitious builders by developing resources, organizing events, and generally encouraging collaboration and integrations. Your work will be vital to helping builders find and thrive in the Monad ecosystem. What You Will Do You’ll evangelize Monad’s technology to experienced Solidity developers, explaining Monad’s unique selling points and showing them how easy it is to use Monad You’ll travel to confere

At Monad Foundation, we are a team of dedicated ecosystem and community builders who are on a mission to usher in a future powered by blockchain technology. We believe that the Monad blockchain--a performant and parallel EVM Layer 1--can bring that future into the present.

The Role

We are looking for a Senior Developer Relations Engineer to focus on growing and supporting Monad’s early builder community. You will cultivate a community of ambitious builders by developing resources, organizing events, and generally encouraging collaboration and integrations. Your work will be vital to helping builders find and thrive in the Monad ecosystem.

What You Will Do

  • You’ll evangelize Monad’s technology to experienced Solidity developers, explaining Monad’s unique selling points and showing them how easy it is to use Monad

  • You’ll travel to conferences and hackathons to meet builders

  • You’ll organize events (online and irl) to bring builders together

  • You’ll develop educational content (blog posts, instructional videos) to teach developers how to benefit from Monad

  • You’ll build relationships with other crypto communities, incubators, and university groups. We’ll collaborate through projects like hackathons or events

Who You Are

  • Degree in Computer Science/Engineering or equivalent experience

  • Prior experience building developer communities

  • Excellent knowledge of Solidity and Typescript; strong knowledge of what it takes to ship a dapp

  • Public speaking/teaching experience

  • Technical writing experience

Personal Attributes

  • Low ego

  • Independence

  • Organizational skills

  • Extremely strong work ethic

  • A desire to bring people together

  • Enthusiasm for Monad’s mission of helping decentralization scale

Nice to Have

  • Experience starting a DevRel program from scratch

  • Experience in early-stage startups

  • Existing relationships with builder communities, incubators, or university blockchain groups

Why Work with Us

  • Challenging problems. You’ll work on extremely challenging problems with massive impact.

  • Huge opportunity. The Ethereum Virtual Machine (EVM) standard is ubiquitous, but existing EVM-compatible chains are slow and bandwidth-constrained. Monad’s core innovations offer developers the best of both worlds (portability and performance) and are a game-changer for mass user adoption in crypto.

  • The right team. You’ll be part of an exceptional and highly-motivated team

  • Culture. We’re a lean team working together to achieve very ambitious goals. We are united in our culture of collaboration, low ego, and high-quality output. As an early member of our team, you’ll help continue to shape our culture.

Salary and Benefits

Benefits for full-time employees include medical, dental, and vision insurance (100% coverage for employees); generous paid time off; paid parental leave; and 10 company-observed holidays.

Apply Now:

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Ethereum Foundation Remote
About the Ethereum Foundation(EF) The Ethereum Foundation (EF) is a global non-profit organization dedicated to supporting Ethereum and related technologies. Our mission is to do what is best for Ethereum’s long-term success. Our role is to allocate resources to critical projects, to be a valued voice within the Ethereum ecosystem, and to advocate for Ethereum to the outside world. About the Privacy and Scaling Explorations (PSE) Team PSE is a research and development team within EF focused on advancing privacy and scaling technologies. Our mission : Accelerate cryptography to enhance human collaboration. We achieve this by developing open-source tools, funding innovative research, and educating the ecosystem to make privacy-preserving and scalable technologies accessible to all.
About the Ethereum Foundation(EF)
The Ethereum Foundation (EF) is a global non-profit organization dedicated to supporting Ethereum and related technologies. Our mission is to do what is best for Ethereum’s long-term success. Our role is to allocate resources to critical projects, to be a valued voice within the Ethereum ecosystem, and to advocate for Ethereum to the outside world.
About the Privacy and Scaling Explorations (PSE) Team
PSE is a research and development team within EF focused on advancing privacy and scaling technologies.
Our mission: Accelerate cryptography to enhance human collaboration.
We achieve this by developing open-source tools, funding innovative research, and educating the ecosystem to make privacy-preserving and scalable technologies accessible to all.
About the Role
We’re looking for a passionate Developer Relations (DevRel) professional to connect developers with our zero-knowledge and cryptographic technologies, build an enthusiastic community around our work, and promote technologies to the ecosystem and society.
Your mission: Make cutting-edge cryptographic tools (like Semaphore and Anon Aadhaar) approachable, inspire developers to integrate them into real-world applications, and foster a thriving ecosystem of builders.
You’ll act as the bridge between PSE's engineers and external developers, creating accessible resources, hosting events, and supporting the wider community to build privacy-conscious applications. You will also establish partnerships and collaborations through conferences, events, and online forums, shaping the narrative of our technologies' role in the ecosystem. If you’re excited about empowering developers, fostering vibrant communities, promoting open-source innovation, and advancing cryptographic adoption to make a positive impact on society, this role is for you.

Values Alignment

    • We are dedicated to advancing cryptographic research and development to enhance and accelerate human collaboration.
    • We are building public goods, including open-source software, documentation, and educational resources, and promoting their adoption.
    • We emphasize open participation and a cooperative mindset in a fully remote and decentralized working environment.
    • We are open-minded and keen on building the next generation of infrastructure.
    • We strive to address the fundamental challenges within the ecosystem and the real world.

Requirements

    • Experience: 2+ years of DevRel or relevant professional experience.
    • Communication: Skills that enable open community participation, foster active discussions, and promote continuous knowledge sharing.
    • Translation: Proven ability to simplify and communicate complex technical concepts in developer-friendly terms.
    • Community Building: Demonstrated experience fostering developer communities, ideally in blockchain or cryptography ecosystems.
    • Technical Skills: Basic programming knowledge (e.g., JavaScript, Solidity) and familiarity with blockchain and cryptographic frameworks.
    • Open-Source: A track record of open-source contributions (e.g., on GitHub).
    • Mindset: Self-motivated, collaborative, and comfortable in a remote, decentralized working environment.
    • Attitude: Patience and dedication when engaging with external developers and supporting communities.

Responsibilities

    • Developer Engagement: Act as the main point of contact for developers, shaping their experience with PSE tools, addressing challenges, and driving the adoption of cryptographic technologies through actionable feedback.
    • Content Creation: Produce high-quality documentation, tutorials, and learning materials, including developer blogs, GitHub repositories, and video tutorials tailored to various audiences.
    • Community Building: Lead initiatives to build and nurture a thriving global community of developers passionate about advancing cryptographic innovation.
    • Promotion: Organize and participate in developer events, workshops, and online forums, which may occasionally require travel, to foster the adoption of technologies.
    • Onboarding Improvement: Identify and resolve pain points in the developer journey, enhancing the usability of tools and resources in the ecosystem.
    • Ecosystem Growth: Track and improve community adoption metrics (e.g., projects built, repository activity, engagement in community channels) with a focus on achieving measurable goals.
    • Collaboration: Build relationships with key ecosystem players, groups, and projects to drive collaborative initiatives and promote public goods.
    • Event Strategy: Develop and execute an event roadmap, prioritizing opportunities to showcase PSE’s tools and solutions.
    • Development Support: Assist in the development of new features and improvements by providing testing support and sharing feedback from external developers.

Nice-to-have

    • Experience presenting at conferences or running community workshops.
    • Familiarity with zero-knowledge proofs or advanced cryptographic techniques.
    • Hands-on experience building smart contracts and ZK circuits, in particular Circom and Halo2.
Why Join Us?
At PSE, you’ll help make cryptography mainstream by empowering developers globally with bleeding-edge open-source tools. You’ll have the freedom to experiment, collaborate with world-class researchers and engineers, and drive impactful innovations in decentralized systems, shaping the future of privacy and scalability.

Apply Now:

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Clearmatics London
About Clearmatics Clearmatics is a blockchain protocol engineering company that builds decentralised financial market infrastructures that are more open, efficient, and resilient than those serving legacy market structures of today. We have a bold vision for this new market infrastructure - enabling market participants to solve currently unaddressed problems of the real economy, including “missing markets” problems. We aim to achieve our vision through technologies that allow peer-to-peer trading and settlement within new markets, and with digital assets whose values track real-world risk factors that currently have no suitable expression in legacy markets. No matter the nature of a risk factor, whether macro-economic or climactic, our mission is to make important risk factors tradable; by anyone, anywhere, without reliance on financial intermediaries. We are building this new infrastructure in collaboration with incredible trading and

About Clearmatics

Clearmatics is a blockchain protocol engineering company that builds decentralised financial market infrastructures that are more open, efficient, and resilient than those serving legacy market structures of today.

We have a bold vision for this new market infrastructure - enabling market participants to solve currently unaddressed problems of the real economy, including “missing markets” problems. We aim to achieve our vision through technologies that allow peer-to-peer trading and settlement within new markets, and with digital assets whose values track real-world risk factors that currently have no suitable expression in legacy markets.

No matter the nature of a risk factor, whether macro-economic or climactic, our mission is to make important risk factors tradable; by anyone, anywhere, without reliance on financial intermediaries. We are building this new infrastructure in collaboration with incredible trading and blockchain communities.

Clearmatics was founded in 2015, and we have ever since been committed advocates of Open Source development, and active participants in the blockchain and cryptography research communities. We’ve also been an active participant and supporter of decentralized infrastructure initiatives.

We’re looking to hire a Smart Contract Engineer to expand our Layer 1 Engineering team.

Our stack is Ethereum-like, so familiarity with – and passion for – the space is key.

Some of the areas we tackle include blockchain infrastructure optimised for financial use-cases, protocols for specific applications (such as smart contract-based derivatives, synthetic assets, cryptocurrency stabilization, …), scalability and privacy through cryptography (zkSNARKs, multiparty computation, private transactions/assets).

Currently the Clearmatics team is heavily involved as the Launch Partner for the Autonity Project. Autonity is an EVM based public blockchain for decentralised derivatives clearing. You can learn more about the Autonity project and its ongoing testnet games through the links below.

Responsibilities

You will develop and maintain decentralised financial smart contracts on Autonity that will enable the creation of decentralised risk markets in real-world risk factors.

This will involve working on a wide range of problems including smart derivatives, DEX trading & settlement protocols, algorithmic stabilisation, data oracles, liquid staking, and more.

Working alongside quantitative researchers and protocol engineers, you will transform research models and prototypes into production-grade Solidity code. You will also collaborate with Autonity core developers on enhancing L1 protocol contracts and integrating new functionality into the Autonity Go Client.

Requirements

  • 4+ years professional experience in software engineering
  • 2+ years smart contract programming experience in Solidity
  • Bachelor’s degree in Computer Science or a related technical field
  • Strong knowledge of Eth1 protocols and proof of stake consensus
  • An understanding of the DeFi landscape and major DeFi primitives
  • Proficiency in Python programming and web3.py Ethereum development
  • Experience interfacing with data oracles and P2P data stores (e.g. IPFS)
  • Experience working with third party smart contract auditors
  • Contributed code to open-source projects in the Web3 space

Bonus points

  • Experience designing, researching, or implementing Web3 protocols
  • Proficiency with the Python scientific computing stack (NumPy, Pandas, Jupyter)

Our compensation is blockchain competitive and dependent on your skills & experience.

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𝚝𝟷 Remote
𝚝𝟷 is a rollup that introduces real-time proofs to unify Ethereum and the rollup ecosystem. Our mission at 𝚝𝟷 is to ensure Ethereum is not only the most decentralized blockchain ecosystem but also the blockchain with the best user and developer experience. We believe that the composability fragmentation introduced by rollups’ siloed execution is currently a major obstacle to that end. Therefore, we are building 𝚝𝟷, a TEE-enabled rollup that introduces real-time proofs, RTP. This allows for instant settlement on Ethereum and therefore enables its unification with the rollup ecosystem. What you’ll be doing Act as the primary liaison between 𝚝𝟷’s developers and the broader developer community, ensuring continuous feedback loops and addressing developer needs effectively. Work on developer-facing documentation, maintaining clarity and relevance t
𝚝𝟷 is a rollup that introduces real-time proofs to unify Ethereum and the rollup ecosystem.
Our mission at 𝚝𝟷 is to ensure Ethereum is not only the most decentralized blockchain ecosystem but also the blockchain with the best user and developer experience. We believe that the composability fragmentation introduced by rollups’ siloed execution is currently a major obstacle to that end. Therefore, we are building 𝚝𝟷, a TEE-enabled rollup that introduces real-time proofs, RTP. This allows for instant settlement on Ethereum and therefore enables its unification with the rollup ecosystem.

What you’ll be doing

    • Act as the primary liaison between 𝚝𝟷’s developers and the broader developer community, ensuring continuous feedback loops and addressing developer needs effectively.
    • Work on developer-facing documentation, maintaining clarity and relevance to support smooth adoption of our products and tools.
    • Develop and present quick and dirty Proof of Concepts (PoCs) to showcase how developers can use 𝚝𝟷’s platform in innovative ways.
    • Support developers by answering technical questions, troubleshooting issues, and providing solutions to help them build on 𝚝𝟷.
    • Build frontend demos and prototypes to demonstrate product capabilities and use cases.
    • Stay active within the Ethereum and EVM ecosystem, keeping 𝚝𝟷 ahead of trends and ensuring our offerings align with the latest developer demands.

Must-haves

    • Bachelor’s degree in Computer Science or a similar technical field.
    • Master’s degree (or equivalent, e.g., two Bachelor’s degrees).
    • Proven experience in Developer Relations at a company with live products on Ethereum mainnet or major EVM Layer 2s (e.g., Arbitrum, Optimism).
    • Hands-on experience with Solidity, with the ability to create and explain smart contract examples.
    • Strong communication skills to effectively interact with both technical and non-technical audiences, creating developer-focused content such as guides, tutorials, and FAQs.
    • Experience creating or maintaining developer documentation that simplifies onboarding and reduces friction.
    • Ability to collaborate with internal teams to gather insights and translate them into actionable improvements for developers.

Nice-to-Have

    • Front-end development experience, particularly in building demos or prototypes using frameworks like React.
    • Strong interest in and passion for staying updated on the latest advancements in Ethereum.
This is a remote role, but we only accept candidates from time zones between Eastern Time (ET) and Central European Time (CET).

Apply Now:

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𝚝𝟷 Remote
𝚝𝟷 is a rollup that introduces real-time proofs to unify Ethereum and the rollup ecosystem. Our mission at 𝚝𝟷 is to ensure Ethereum is not only the most decentralized blockchain ecosystem but also the blockchain with the best user and developer experience. We believe that the composability fragmentation introduced by rollups’ siloed execution is currently a major obstacle to that end. Therefore, we are building 𝚝𝟷, a TEE-enabled rollup that introduces real-time proofs, RTP. This allows for instant settlement on Ethereum and therefore enables its unification with the rollup ecosystem. What you’ll be doing Developing, deploying, and maintaining EVM-based smart contracts, ensuring they are secure, efficient, and production-ready for Ethereum mainnet or rollups. Contributing to the development of RETH, our Rust-based Ethereum execution environmen
𝚝𝟷 is a rollup that introduces real-time proofs to unify Ethereum and the rollup ecosystem.
Our mission at 𝚝𝟷 is to ensure Ethereum is not only the most decentralized blockchain ecosystem but also the blockchain with the best user and developer experience. We believe that the composability fragmentation introduced by rollups’ siloed execution is currently a major obstacle to that end. Therefore, we are building 𝚝𝟷, a TEE-enabled rollup that introduces real-time proofs, RTP. This allows for instant settlement on Ethereum and therefore enables its unification with the rollup ecosystem.

What you’ll be doing

    • Developing, deploying, and maintaining EVM-based smart contracts, ensuring they are secure, efficient, and production-ready for Ethereum mainnet or rollups.
    • Contributing to the development of RETH, our Rust-based Ethereum execution environment, by collaborating on feature enhancements and providing insights on relevant EVM improvements.
    • Building proof-of-concept applications, like t-dex and other primitives, to demonstrate and expand the capabilities of 𝚝𝟷, enabling other developers to innovate on our platform.
    • Staying up-to-date with the latest Ethereum Improvement Proposals (EIPs) and actively apply new innovations to 𝚝𝟷’s development efforts.
    • Collaborating with a multidisciplinary team to bridge smart contract development with core blockchain infrastructure.

Must-haves

    • Bachelor’s degree in Computer Science or a similar technical field.
    • Master’s degree (or equivalent, e.g., two Bachelor’s degrees).
    • Proven experience developing and deploying EVM-based smart contracts, with a strong track record of shipping production-grade code to Ethereum mainnet or other rollups.
    • Hands-on experience working at a company with a mainnet product, demonstrating an understanding of the end-to-end lifecycle of Ethereum-based solutions.
    • Deep expertise in leveraging the Ethereum Virtual Machine (EVM), with the ability to operate at the cutting edge of EVM innovation and execution.
    • Strong understanding of smart contract design, security, and optimization specifically for mainnet environments.
    • This is a remote role, but we only accept candidates from time zones between Eastern Time (ET) and Central European Time (CET).

Nice-to-Have

    • Interest and expertise in staying updated with Ethereum Improvement Proposals (EIPs) and contributing to the broader Ethereum community.
    • Rust programming experience or familiarity, particularly with blockchain development tools.
    • Open-source contributions to Ethereum-related projects (e.g., Foundry, Hardhat) or other notable repositories.
    • Passion for attending and engaging with the blockchain ecosystem (e.g., attending events like Devcon).

Apply Now:

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Monad Foundation Remote
🗓  Sun, Dec 22 AI Blockchain Computer Science Crypto EVM Ethereum Infrastructure Layer 1 Research Solidity Dental insurance Health/medical insurance Vision insurance
At Monad Foundation , we are a team of dedicated ecosystem and community builders who are on a mission to usher in a future powered by blockchain technology. We believe that the Monad blockchain--a performant and parallel EVM Layer 1--can bring that future into the present. The Role The Ecosystem Engineering team at Monad contributes to research and engineering projects that make it easy to build amazing applications on Monad. We are looking for a strong Solidity engineer who enjoys hacking on projects and is extremely knowledgeable and opinionated about Ethereum infrastructure and standards. What you will do You’ll build POCs and demos utilizing new infrastructure (e.g. AA, smart wallets, cross-chain messaging) or trends (e.g. AI agents) You’ll stay up to date on the latest EIPs/RIPs and contribute to standards and im

At Monad Foundation, we are a team of dedicated ecosystem and community builders who are on a mission to usher in a future powered by blockchain technology. We believe that the Monad blockchain--a performant and parallel EVM Layer 1--can bring that future into the present.

The Role

The Ecosystem Engineering team at Monad contributes to research and engineering projects that make it easy to build amazing applications on Monad. We are looking for a strong Solidity engineer who enjoys hacking on projects and is extremely knowledgeable and opinionated about Ethereum infrastructure and standards. 

 

What you will do

  • You’ll build POCs and demos utilizing new infrastructure (e.g. AA, smart wallets, cross-chain messaging) or trends (e.g. AI agents)

  • You’ll stay up to date on the latest EIPs/RIPs and contribute to standards and improvement proposals on Monad

  • You’ll design and implement missing infrastructure that allows developers to take full advantage of Monad’s high performance and low fees

  • You’ll engage with the developer community to identify pain points and solve the problems

Requirements

  • Extensive knowledge of Solidity, the EVM, and related tooling (Foundry, wagmi/viem, etc) and libraries (Solady etc)

  • Prior experience building significant apps

  • Minimum 2 years of experience in a smart contract engineering role

  • Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience

  • Hacker mentality

  • Fastidious attention to detail

Why Work with Us

  • Challenging problems. You’ll work on extremely challenging problems with massive impact.

  • Huge opportunity. The Ethereum Virtual Machine (EVM) standard is ubiquitous, but existing EVM-compatible chains are slow and bandwidth-constrained. Monad’s core innovations offer developers the best of both worlds (portability and performance) and are a game-changer for mass user adoption in crypto.

  • The right team. You’ll be part of an exceptional and highly-motivated team

  • Culture. We’re a lean team working together to achieve very ambitious goals. We are united in our culture of collaboration, low ego, and high-quality output. As an early member of our team, you’ll help continue to shape our culture.

Salary and Benefits

Benefits for full-time employees include medical, dental, and vision insurance (100% coverage for employees); generous paid time off; paid parental leave; and 10 company-observed holidays.

Apply Now:

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Paxful, Inc Remote
🗓  Sun, Dec 22 Blockchain Crypto Ethereum Fintech P2P Python Rust Solana Distributed team Pays in crypto
Paxful is the world’s largest people-powered marketplace, connecting over 14 million users across 140+ countries to move, save, and store money - even without a bank account. Founded in 2015 and based in the United States, Paxful offers safe, fast, and reliable access to the global economy through cryptocurrencies bought and sold on a borderless peer-to-peer payment network. With over 500 payment methods for accessing Bitcoin, USDT, and other popular digital and local currencies, Paxful is building a financial system allowing all users to participate in the digital economy. The Senior Blockchain Developer is responsible for designing, building, and maintaining robust blockchain-based systems that power Paxful’s platform. This role requires deep expertise in blockchain technologies, hands-on experience with API integrations (e.g., BitGo, Fireblocks), and the ability to work with advanced blockchain solutions such as Solana Smart Contracts. You will play a criti

Paxful is the world’s largest people-powered marketplace, connecting over 14 million users across 140+ countries to move, save, and store money - even without a bank account. Founded in 2015 and based in the United States, Paxful offers safe, fast, and reliable access to the global economy through cryptocurrencies bought and sold on a borderless peer-to-peer payment network. With over 500 payment methods for accessing Bitcoin, USDT, and other popular digital and local currencies, Paxful is building a financial system allowing all users to participate in the digital economy.

The Senior Blockchain Developer is responsible for designing, building, and maintaining robust blockchain-based systems that power Paxful’s platform. This role requires deep expertise in blockchain technologies, hands-on experience with API integrations (e.g., BitGo, Fireblocks), and the ability to work with advanced blockchain solutions such as Solana Smart Contracts. You will play a critical role in building secure wallet systems, optimizing transaction processing, and integrating new blockchain features to support Paxful’s expanding ecosystem.

What will you do:

  • Develop and maintain blockchain-based services and wallet systems to support Paxful’s P2P marketplace.
  • Design and implement integrations with third-party providers like BitGo, Fireblocks, and other custodial/non-custodial solutions.
  • Build and deploy smart contracts on platforms like Solana, focusing on scalability and security.
  • Optimize UTXO management, transaction processing, and on-chain activity for performance and cost efficiency.
  • Develop tools for transaction monitoring, fraud detection, and blockchain analytics.
  • Collaborate with cross-functional teams to define and deliver blockchain-focused features and improvements.
  • Create and manage wallet solutions, including multi-signature wallets, self-custody solutions, and Lightning Network integrations.
  • Integrate blockchain technologies with Paxful’s backend services and APIs to enable seamless transactions.
  • Conduct security audits and implement robust measures to protect funds and user data.
  • Debug and resolve blockchain-related issues, ensuring uninterrupted platform availability.
  • Stay updated on advancements in blockchain technology and propose relevant improvements to the platform.

Who you are:

  • A blockchain expert passionate about building innovative solutions and advancing the crypto ecosystem.
  • A detail-oriented and analytical developer focused on performance, reliability, and security.
  • A collaborative team player who thrives in a fast-paced environment.
  • Excited to work at the intersection of blockchain, fintech, and peer-to-peer technology.

What we are looking for:

  • 5+ years of experience in blockchain development or related fields.
  • Extensive experience with Bitcoin, UTXOs, multi-signature wallets, and Layer 2 solutions like Lightning Network.
  • Proficiency in blockchain programming.
  • Strong knowledge of Python, Go, or Rust for smart contract development.
  • Experience with API integrations for custodial and non-custodial wallets.
  • Hands-on experience with BitGo, Fireblocks, or similar vendors.
  • Proficiency with smart contract development and deployment.
  • Hands-on experience working with Solana Smart Contracts using Anchor or similar frameworks.
  • Deep understanding of blockchain security best practices.
  • Familiarity with cryptographic techniques, secure wallet implementation, and transaction validation.

Recommended Skills:

  • Familiarity with other blockchain platforms, such as Ethereum and its smart contract ecosystem.
  • Experience with DeFi protocols, self-custody wallets, and cross-chain interoperability.
  • Knowledge of blockchain analytics tools (e.g., Chainalysis, Blockchair).
  • Experience with event-driven architectures and message queues like Kafka or RabbitMQ.
  • Contributions to open-source blockchain projects or technical communities.

We encourage a remote-first approach for geographically distributed teams, being open to skilled professionals from around the world. Beyond that, we are committed to transparency, openness, and supporting each other to build great things together.

You can expect:

  • Competitive salary
  • Fully remote work environment
  • Flexible working hours with a 4-hour overlap in Eastern Time (EST)
  • Opportunity to work with cutting-edge technologies on impactful projects
  • Collaborative, innovative, and supportive work culture
  • Opportunity to mentor and lead a team of talented engineers
  • Professional growth and development opportunities

Notes

We are a fully remotely distributed team. However, we are currently unable to provide visa sponsorship for employment.

Due to legal restrictions, we are unable to hire individuals residing in countries currently under international sanctions.

Upon submitting your application, you consent to receive future communications. The communication will depend on the alignment of your qualifications with this position. Only eligible candidates will receive correspondence.

Interested in Paxful but don't think this role is the best fit for you? View our other positions: https://paxful-crypto.workable.com

Base compensation is dependent on the candidate's residence.

To recruitment agencies and outsourcing entities: Paxful maintains a strict policy of not accepting third-party applications from recruitment agencies or individual recruiters. Furthermore, any collaboration with outsourcing partners remains outside of our strategic planning.

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Nethermind Remote
What are we all about? We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems. Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering. Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more. Today, we are a 350+ strong team working remotely across 66+ countries. View all our open positions here: https://www.nethermind.io/open-roles Location: Edinburgh, United Kingdom (Onsite - 100%) Are you the o

What are we all about? We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems. Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering. Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more. Today, we are a 350+ strong team working remotely across 66+ countries. View all our open positions here: https://www.nethermind.io/open-roles Location: Edinburgh, United Kingdom (Onsite - 100%) Are you the one? As a Junior Embedded Developer, you will be responsible for developing embedded firmware for microcontroller-based systems and designing graphical user interfaces (GUIs) for embedded platforms. Your work will span from writing efficient Embedded C code to developing intuitive and responsive UIs that interact with the hardware. You will collaborate closely with hardware engineers and other developers to create complete embedded solutions for our products. Join our innovative team as we develop next-generation biometric authentication devices. You will play a pivotal role in co-developing the embedded software that drives our cutting-edge palm vein recognition technology, from prototyping through to mass production, while ensuring it meets the highest standards of quality, security, and compliance. Responsibilities:

Firmware Development for Embedded Systems:

Write efficient Embedded C code to control microcontroller hardware, including sensors, displays, and communication interfaces (I2C, SPI, UART). Optimize code for performance and memory constraints typical in embedded environments. Debug and troubleshoot embedded systems using tools like JTAG, oscilloscopes, and serial debuggers.

GUI Development for Embedded Platforms:

Design and implement real-time graphical user interfaces (GUIs) for embedded systems with displays such as LCD, OLED, or touchscreen. Use embedded GUI frameworks like LVGL, TouchGFX, or emWin to create visually appealing, responsive interfaces optimized for resource-constrained devices. Ensure that GUIs are intuitive, performant, and power-efficient.

System Integration:

Collaborate with hardware engineers to define and implement hardware communication protocols (e.g., SPI, I2C) between embedded systems and external devices. Integrate embedded systems with cloud services or remote devices, if applicable (e.g., via MQTT, HTTP).

Testing and Debugging:

Write and execute unit and integration tests to ensure firmware and UI functionality. Troubleshoot hardware/software issues using debugging tools (e.g., logic analyzers, oscilloscopes). Profile embedded systems to optimize performance, memory usage, and power consumption.

Documentation and Collaboration:

Document design, code, and testing processes to ensure clear communication within the team. Participate in code reviews and contribute to best practices for embedded development. Work closely with cross-functional teams to meet project goals and timelines.

Technical Skills:

Strong proficiency in Embedded C programming for microcontroller platforms (e.g., ARM Cortex-M, STM32, ESP32). Experience with embedded GUI frameworks such as LVGL, TouchGFX, or emWin. Familiarity with communication protocols like I2C, SPI, UART, and CAN. Experience with real-time operating systems (RTOS) or bare-metal embedded development. Proficient with debugging tools like JTAG, logic analyzers, and oscilloscopes.

Nice to Have:

Experience with ARM-based microcontrollers and development tools (e.g., STM32Cube, Keil, IAR). Familiarity with cloud integration or IoT platforms. Knowledge of power optimization techniques for embedded systems.

Soft Skills:

Strong problem-solving skills and ability to troubleshoot complex systems. Excellent communication and collaboration skills, with the ability to work in a team-oriented environment. Attention to detail and a focus on producing high-quality, maintainable code. Working in a fast-paced startup environment.

Disclaimer: I hereby consent to my personal information being stored and processed by Demerzel Solutions Limited (t/a Nethermind) (the “Company”) for recruitment purposes in relation to both the selected job role and any other role the Company considers me a qualified candidate for. All data storing and processing by the Company takes place in accordance with the UK GDPR. Kindly refer to our privacy policy for more details. Your consent to share personal information is entirely voluntary, and you may withdraw your consent at any time. Should you have any questions about this process, or wish to withdraw your consent please contact: email Keep up to date on what we are working on by following us on our social channels       Click here to view our Privacy Policy.

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Bitpanda Remote
Who we are  We simplify wealth creation. Founded in 2014 in Vienna, Austria by Eric Demuth, Paul Klanschek and Christian Trummer, we’re here to help people trust themselves enough to build their financial freedom — for now and the future. Our user-friendly, trade-everything platform empowers both first-time investors and seasoned experts to invest in the cryptocurrencies, crypto indices, stocks , precious metals and commodities they want — with any sized budget, 24/7. Our global team works across different cultures and time zones, bringing our products to more than 4 million customers, making us one of Europe’s safest and most secure platforms that powers modern investing. Headquartered in Austria but operating across Europe, our products are built by fast-moving, talented, “roll-up-your-sleeves-and-make-it-happen” kind of people. It’s these diverse perspectives and innovative minds operating as ONE TEAM that keep Bitpanda at the cutting edge of our ind

Who we are  We simplify wealth creation. Founded in 2014 in Vienna, Austria by Eric Demuth, Paul Klanschek and Christian Trummer, we’re here to help people trust themselves enough to build their financial freedom — for now and the future. Our user-friendly, trade-everything platform empowers both first-time investors and seasoned experts to invest in the cryptocurrencies, crypto indices, stocks, precious metals and commodities they want — with any sized budget, 24/7. Our global team works across different cultures and time zones, bringing our products to more than 4 million customers, making us one of Europe’s safest and most secure platforms that powers modern investing. Headquartered in Austria but operating across Europe, our products are built by fast-moving, talented, “roll-up-your-sleeves-and-make-it-happen” kind of people. It’s these diverse perspectives and innovative minds operating as ONE TEAM that keep Bitpanda at the cutting edge of our industry. So if you’re someone who thinks big, moves fast and wants to make an impact right from day one, then get ready to join our industry-changing team. Let’s go!Your mission Building Bitpanda Custody’s platform for safeguarding crypto assets of millions of users around the world with wallets for Bitcoin, Ethereum + EVM based chains, Cardano, Ripple, Solana, with more in the works. What you’ll do 

Work directly on building new features and services related to Bitpanda’s Custody product offering. Develop clean, scalable and maintainable solutions, using reactive design patterns and cutting edge libraries like NxJS. Work on securely managing crypto-funds from various frontend platforms (web / iOS app / extension built on MetaMask). Crafting a secure and enterprise-ready, easy-to-use experience and interface together with designers and the product manager. Join a motivated team of highly skilled, experienced developers that can support and mentor you on your learning journey.

Who you are

6+ years of experience as Frontend Engineer with a passion for mentoring and coaching other engineers. Strong proficiency with TypeScript, using React and/or Vue.js libraries Good understanding of blockchain technology basics with a strong desire to learn more. Proficient understanding of RESTful APIs and experience in integrating them with front-end applications. Familiarity with any of the following are a bonus: AWS Services, AWS Lambda, Infrastructure-as-Code (e.g. CDK / Terraform), smart contracts, hosting Crypto-nodes / endpoint providers / RPCs, Web3, GraphQL. What’s in it for you

We're proud of our flexible working model that includes 2 days (minimum) working from the local Hub, plus 60 Work From Anywhere days annually Total compensation package including participation in our Bitpanda stock option plan Competitive benefits programs and policies shaped by our flexibility-first philosophy  Exclusive premiums when trading on Bitpanda Company-wide and team events — both in-person and virtually! Bitpanda swag to keep you living the brand

And, above all, the opportunity to learn and grow as part of Bitpanda’s incredible journey towards being Europe’s future #1 investment platform. Bitpanda is committed to fostering a fair and equal environment based on trust and mutual respect. We believe that a diverse and inclusive workplace is paramount to our success and we are committed to building a team that represents a wide variety of backgrounds, perspectives, and skills.

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Libre Capital Remote
About the Company Libre is focused on the design and development of a blockchain-based protocol to eliminate inefficiencies in legal, financial and operational workflows for private markets. Going beyond the simple concept of tokenisation and enabling seamless access to private markets directly on-chain, regardless of the end-user platform and/or public network where the user is based Libre’s product focus is to tokenise the funds on a blockchain infrastructure and enable future composability of the digital security assets with other institutional on-chain services e.g., collateralised lending and secondary trading. About the role: We are looking for an experienced Solidity Developer to join our team, working on cutting-edge projects. You will play a key role in designing, developing, and maintaining blockchain-based solutions that ensure sta

 

About the Company

Libre is focused on the design and development of a blockchain-based protocol to eliminate inefficiencies in legal, financial and operational workflows for private markets. Going beyond the simple concept of tokenisation and enabling seamless access to private markets directly on-chain, regardless of the end-user platform and/or public network where the user is based

Libre’s product focus is to tokenise the funds on a blockchain infrastructure and enable future composability of the digital security assets with other institutional on-chain services e.g., collateralised lending and secondary trading.

About the role:

We are looking for an experienced Solidity Developer to join our team, working on cutting-edge projects. You will play a key role in designing, developing, and maintaining blockchain-based solutions that ensure stability, security, and scalability for our real-world asset tokenisation ecosystem. This is an exciting opportunity to work at the forefront of blockchain and financial technology, contributing to the future of tokenised assets.

 

What you are good at:

  • Write and review high assurance code, tests, invariants and other deliverables for our protocol projects using industry best-practices
  • Design, implement, and deploy secure and efficient Solidity-based smart contracts for Libre’s protocol
  • Emphasis on robust process, continuous learning and ownership including collaborating with external audit firms as needed
  • Contribute and evolve our internal methodologies, coding standards, review methods and other standard operating procedures
  • Troubleshoot and optimize smart contracts while staying current with blockchain trends and advancements
  • Contribute to our cross-chain capabilities by building robust integrations and maintaining multichain compatibility
  • Closely collaborate with members across various teams
  • Stay updated on the latest developments in blockchain technology, DeFi protocols, and trends in digital asset management

 

What you bring:

  • 3+ years of experience in solidity development, with a proven track record of deployed contracts on mainnet
  • Strong knowledge of EVM
  • Extensive experience in developing complex smart contracts. Familiar with tooling such as Foundry, Hardhat or Remix
  • Understanding of the DeFi landscape, such as lending protocols, AMMs, Perps and stablecoins
  • Ability to effectively communicate, collaborate and connect with clients, partners and other third parties
  • Excellent problem-solving skills, attention to detail, and the ability to work collaboratively in a team environment

 

Bonus Qualifications

  • Experience with multichain environments and integrating across diverse blockchain ecosystems
  • Knowledge and experience with real-world assets (RWAs)
  • Public GitHub contributions to high-quality projects in the Ethereum or broader Web3 space
  • Experience in developing off-chain applications that integrate with web3 protocols, using libraries such as Web3.js and ethers.js
  • Knowledge in Traditional Finance, and the intersection between traditional finance and blockchain, such as Tokenisation

What we offer:

  • Competitive salary and benefits package
  • Opportunity to work on challenging and impactful projects
  • Collaborative and supportive work environment
  • Opportunities for professional growth and development

Apply Now:

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Libre Capital UK
About the Company Libre is focused on the design and development of a blockchain-based protocol to eliminate inefficiencies in legal, financial and operational workflows for private markets. Going beyond the simple concept of tokenisation and enabling seamless access to private markets directly on-chain, regardless of the end-user platform and/or public network where the user is based Libre’s product focus is to tokenise the funds on a blockchain infrastructure and enable future composability of the digital security assets with other institutional on-chain services e.g., collateralised lending and secondary trading. About the role: We are looking for an experienced Solidity Developer to join our team, working on cutting-edge projects. You will play a key role in designing, developing, and maintaining blockchain-based solutions that ensure stability, security, and scalability for our real-world asset tokenisation ecosystem. T

About the Company

Libre is focused on the design and development of a blockchain-based protocol to eliminate inefficiencies in legal, financial and operational workflows for private markets. Going beyond the simple concept of tokenisation and enabling seamless access to private markets directly on-chain, regardless of the end-user platform and/or public network where the user is based

Libre’s product focus is to tokenise the funds on a blockchain infrastructure and enable future composability of the digital security assets with other institutional on-chain services e.g., collateralised lending and secondary trading.

About the role:

We are looking for an experienced Solidity Developer to join our team, working on cutting-edge projects. You will play a key role in designing, developing, and maintaining blockchain-based solutions that ensure stability, security, and scalability for our real-world asset tokenisation ecosystem. This is an exciting opportunity to work at the forefront of blockchain and financial technology, contributing to the future of tokenised assets.

What you are good at:

  • Writing and reviewing high assurance code, tests, invariants and other deliverables for our protocol projects using industry best-practices
  • Designing, implementing, and deploying secure and efficient Solidity-based smart contracts for Libre’s protocol
  • Emphasis on robust process, continuous learning and ownership including collaborating with external audit firms as needed
  • Contributing and evolving our internal methodologies, coding standards, review methods and other standard operating procedures
  • Troubleshooting and optimizing smart contracts while staying current with blockchain trends and advancements
  • Contributing to our cross-chain capabilities by building robust integrations and maintaining multichain compatibility
  • Closely collaborating with members across various teams
  • Staying updated on the latest developments in blockchain technology, DeFi protocols, and trends in digital asset management

What you bring:

  • 3+ years of experience in solidity development, with a proven track record of deployed contracts on mainnet
  • Strong knowledge of EVM
  • Extensive experience in developing complex smart contracts. Familiar with tooling such as Foundry, Hardhat or Remix
  • Understanding of the DeFi landscape, such as lending protocols, AMMs, Perps and stablecoins
  • Ability to effectively communicate, collaborate and connect with clients, partners and other third parties
  • Excellent problem-solving skills, attention to detail, and the ability to work collaboratively in a team environment

Bonus Qualifications

  • Experience with multichain environments and integrating across diverse blockchain ecosystems
  • Knowledge and experience with real-world assets (RWAs)
  • Public GitHub contributions to high-quality projects in the Ethereum or broader Web3 space
  • Experience in developing off-chain applications that integrate with web3 protocols, using libraries such as Web3.js and ethers.js
  • Knowledge in Traditional Finance, and the intersection between traditional finance and blockchain, such as Tokenisation

What we offer:

  • Competitive salary and benefits package
  • Opportunity to work on challenging and impactful projects
  • Collaborative and supportive work environment
  • Opportunities for professional growth and development
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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. It's Open Source Contract Libraries are a public good and industry standard for smart contract development. OpenZeppelin’s professional expertise 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. <div> This position is not for a role with OpenZeppelin. It is for a role with Forta Foundation. Forta is a leading threat prevention network, leveraging advanced A

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. 

It's Open Source Contract Libraries are a public good and industry standard for smart contract development. 

OpenZeppelin’s professional expertise 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.

<div>

This position is not for a role with OpenZeppelin. It is for a role with Forta Foundation.

Forta is a leading threat prevention network, leveraging advanced AI and machine learning to proactively detect and prevent threats. Spun off from Open Zeppelin in 2021, Forta has top tier backers such as a16z, Blockchain Capital, and Coinbase Ventures, and is securing some of the top projects in crypto.

What you'll be doing

In this role, you will play an essential part in building new components, communicating with our users to gather feedback, and working collaboratively with the rest of the team to make sure we solve important problems and provide a great user experience.

Specifically, you will:

  • Collaborate with the development team to improve a cutting-edge blockchain exploit prevention solution
  • Investigate new tools, products or technologies to improve the team's outputs.
  • Support cross team issues to meet objectives.
  • Identify problems in our product or platform & improves areas of the code they work on.
  • Help define processes and best practices to continue to grow.
  • Write and execute test cases to ensure the quality and security of the code.
  • Stay up-to-date with the latest developments in the Ethereum ecosystem and share insights with the team.
  • Participate in code reviews and contribute to the overall improvement of the codebase.
  • Proactively mentor others to develop in their areas of expertise and provide guidance on best practices and industry standards.

You should apply if you have

  • 5+ years of experience in software development.
  • Knowledgeable about Ethereum and EVM
  • Experience with Go and Solidity.
  • Experience with AWS services such as Cloudwatch, DynamoDB, ECS.
  • Experience with Docker, ECS and Terraform
  • Experience with OP Stack and Arbitrum works is preferred
  • Desire to work with Rust.
  • Strong desire to further your education about Ethereum and contribute to the blockchain space.
  • Prior experience working remotely: strong personal organizational skills, a love for self-time management, and ability to work collaboratively with a team.
  • Advanced English communication skills — all of our internal and external communication is in English.
  • Bonus if Bachelor's or Master's degree in Computer Science or a related field

Forta Perks

  • Medical Insurance: Top quality insurance options for you.

  • Paid leave for new parents.

  • Team Events: Company retreats in different locations around the world.

At Forta, 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!

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Benefits

  • Company in-person gatherings in different locations around the world 😎
  • Fully remote work 🌎
  • Flexible time off 🏝
  • Paid parental leave 💙
  • One time work-from-home equipment stipend of up to $500 USD 🪑
  • Medical insurance coverage
  • Learning & Development opportunities 🧠
  • 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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Nethermind Remote
What are we all about? We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems. Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering. Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more. Today, we are a 350+ strong team working remotely across 66+ countries. Are you the one? Starknet is the fastest-growing network in terms of new developers

What are we all about?

We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.

Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.

Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.

Today, we are a 350+ strong team working remotely across 66+ countries.

Are you the one?

Starknet is the fastest-growing network in terms of new developers joining the network. Nethermind builds many developer-facing tools that need to work seamlessly in this fast-paced blockchain. This ecosystem needs contributors with a quality mindset, capable of applying their craftsmanship and systematic creativity to improve its components. Your software engineering experience and ability to rally developers around you could mean the difference between a flawless network upgrade and a community forking event. Do you have what it takes?

Responsibilities:

  • Lead and manage the software development team maintaining ecosystem components and applications in the blockchain space.
  • Collaborate with Product Owner and Project Manager to drive a vision of how products add value and evolve in alignment with company strategy and goals.
    • Drive the adoption of best practices in coding, testing, and maintenance to ensure quality and scalability.
  • Oversee the design, development, and implementation of new software programs and updates.
  • Foster a culture of creativity and innovation within the team.
  • Mentor and develop team members, identifying strengths and areas for growth.
  • Ensure the optimization of development processes for efficiency and effectiveness.
  • Stay abreast of emerging technologies and industry trends to maintain a competitive edge.

Skills:

  • Track record of leading complex software projects with large transaction loads and/or large user bases
  • An understanding of good software architecture
  • Ability to implement efficient algorithms and design complex data structures
  • Excellent programming skills, Go or Rust preferred but will also consider other tech stacks (e.g. Java, C++)
  • Ability to write clean, testable, and maintainable code without over-engineering
  • An entrepreneurial nature, willing to take ownership and run toward problems
  • Pragmatic experience in various software development methodologies
  • Understanding of DevOps principles, experience working in CI/CD-enabled environments
  • Strong computer science background
  • A fascination with the inner working of blockchains

Nice to have:

  • SDK evolution and maintenance - with focus on providing best in class Developer Experience
  • Blockchain / EVM / TransactionPool / JSON RPC
  • Complex data structures for example Patricia-Merkle/Verkle tries
  • NoSQL Key Values databases for example RocksDB

Keep up to date on what we are working on by following us on our social channels:

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Nethermind EMEA
What are we all about? We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems. Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering. Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more. Today, we are a 350+ strong team working remotely across 66+ countries. Role Overview: As a Senior Full Stack Engineer, you will be responsible for designi

What are we all about?

We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.

Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.

Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.

Today, we are a 350+ strong team working remotely across 66+ countries.

Role Overview:

As a Senior Full Stack Engineer, you will be responsible for designing, developing, and maintaining both frontend and backend components. You will work closely with product managers, designers, and other engineers to deliver high-quality, secure, and scalable solutions that meet the needs of our clients. This role requires a deep understanding of both frontend technologies like React and backend systems.

We are looking for candidates located in the EMEA region.

Why You’ll Love This Role

  • Impactful Work: Your contributions will directly influence the way stakeholders interact with and perceive the security of blockchain networks through both the dashboard and the Insights API.
  • Collaborative Environment: Join a team of passionate professionals who are committed to innovation, quality, and making a tangible impact in the blockchain space.
  • Professional Growth: Enjoy opportunities for professional development and career progression in a rapidly evolving industry.

About You

An ideal candidate has 5+ years of Full-Stack Development experience and contributed to blockchain-related projects. We are looking for candidates who have worked on complex projects in a distributed team.

  • Problem-Solving Attitude: Creative thinker with a knack for solving intricate technical challenges.
  • Communication: Excellent communication skills, with the ability to convey technical concepts to non-technical stakeholders.
  • Autonomous: The ability to work independently, make informed decisions, and take initiative without needing constant supervision, ensuring high productivity and effective problem-solving.
  • Mentorship and Leadership: Provide technical guidance and mentorship to team members, fostering a culture of continuous learning and improvement.

Responsibilities:

  • Collaborate with cross-functional teams, including product managers, designers, and other developers, to deliver high-quality projects on time.
  • Writing clean, efficient, and maintainable code: Writing code that is easy to understand and modify is crucial.
  • Debugging and testing: Ensuring that the frontend code is error-free and performs optimally through debugging tools and testing methodologies.
  • Staying up-to-date with emerging trends and technologies: The web development industry is constantly evolving, and it is essential to stay current with the latest technologies, trends, and best practices.
  • Documenting code and maintaining code repositories: To ensure that the development team can easily understand and modify the codebase, it is crucial to document your code and maintain code repositories.
  • Participating in code reviews: Code reviews help identify potential issues and ensure that the codebase meets quality standards. You should be prepared to participate in code reviews and provide feedback on other team members’ code.
  • Assisting with deployment: You may be involved in the deployment process, which includes configuring web servers, managing version control systems, and resolving any issues that arise during deployment.
  • Provide guidance and mentorship to more junior developers, promoting continuous learning and improvement within the team.

Skills:

  • Excellent skills in modern Go. Other programming languages and platforms are nice to have (JavaScript/Typescript, Rust, Python or Java)
  • Awareness of modern client- and server-side React applications
  • Experienced in designing scalable APIs
  • Experienced in testing backend and frontend
  • Experienced in modern database design and interaction (SQL and/or NoSQL)
  • Expertise in architecture principles, design patterns, and the ability to analyze and address trade-offs in business requirements, system performance, reliability, and maintainability
  • Experience in working closely with a DevOps team to design and deploy cloud-native infrastructure, to ensure scalability and reliability

Nice to have:

  • Blockchain application experience (e.g. DeFi Protocols, Wallets, DEXs, block explorers, blockchain user-facing applications)
  • Experience with smart contract development and interaction (e.g., Solidity, Web3.js, ethers.js)
  • Small team leadership experience
  • Financial Services and Markets understanding

Keep up to date on what we are working on by following us on our social channels:

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Nethermind Remote
What are we all about? We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems. Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering. Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more. Today, we are a 350+ strong team working remotely across 66+ countries. About the role: Nethermind produces a wealth of tools used in production. We are lo

What are we all about?

We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.

Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.

Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.

Today, we are a 350+ strong team working remotely across 66+ countries.

About the role:

Nethermind produces a wealth of tools used in production. We are looking for people passionate about making software easy to use and have a keen eye for guiding users through libraries and tooling.

We are hiring a Technical Writer who is ready to join a rapidly growing and innovative organization. You are a good match for this role if you have a keen interest in decentralized technology platforms, and can write in detail about blockchain and open source technologies, zero knowledge concepts, decentralized finance (our customers), and our products - Ethereum Client, Juno, Voyager. You should have a basic understanding of EVM, Ethereum state, L1/L2, Execution and Consensus clients.

You should be obsessed with Diátaxis or have strong feelings against it.

Responsibilities:

  • Oversee strategy, creation, and execution of thought leadership content on blockchain, open source technologies, and decentralized finance
  • Document new products, features, and APIs
  • Document standards, guidelines, and best practices for engineers
  • Organize documentation and make it easily discoverable
  • Maintain content quality through curation and content performance analysis
  • Ensure all business narratives and messages are in support of the content strategies
  • Engage with the crypto community and varying audiences on technical subjects (including Medium, Twitter, and Reddit)
  • Work closely with Engineering and Marketing teams
  • Use creativity, judgment, and attention to detail toward professional, technical, and operational problems

Must Haves:

  • Technical writing experience
  • A strong command of the English language and an ability to translate complex technical concepts into clear, accessible prose
  • Ability to engage with the blockchain community and varying audiences on technical subjects
  • Strong experience owning an end-to-end documentation creation process
  • Experience in building and owning documentation with topic-based authoring
  • Experience using tools to create, manage and publish documentation, and experience with GitHub
  • Experience working directly with engineering teams on a product for a technical audience, such as DevOps, developers, or scientists
  • Excellent attention to detail and the ability to prioritize and work on multiple projects in a fast-paced, changing environment
  • Demonstrated people skills that contribute to an open and collaborative environment
  • Comfortable using Medium, Twitter, and Reddit

Nice to Haves:

  • Programming knowledge or experience is a plus
  • Experience creating automated documentation tools
  • Background in Marketing, Communications, Journalism, English, Public Relations, Information Technology, Psychology, Business Administration, International Relations, Law, or any related field
  • Prior experience in a Communications role
  • Ability to collect, summarize, and analyze metrics to measure content performance and audience engagement
  • Existing contributions in the decentralized finance space

Keep up to date on what we are working on by following us on our social channels:

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IO Global Remote
🗓  Sat, Dec 14 Blockchain Crypto Ethereum Fintech Node.js Rust Flexible/unlimited PTO
Partner Chains is a venture within IOHK that is developing a research-backed blockchain protocol aimed at simplifying the incubation, innovation, and deployment of applications to address specialized business challenges. Our goal is to make it easier for blockchain developers to focus on their core business, with decentralized finance as a foundational capability at the protocol layer. Our mission is to make it easy for developers to create secure, transparent products that enable direct transactions without relying on financial intermediaries. We build protocols and tools that promote financial inclusion, reduce transaction costs, and give users ownership over their assets. What the role involves: As a Principal Software Engineer in the Partner Chains team, you will be a key contributor in developing and maintaining the Rust implementation of the Partner Chains Substrate node.

Partner Chains is a venture within IOHK that is developing a research-backed blockchain protocol aimed at simplifying the incubation, innovation, and deployment of applications to address specialized business challenges. Our goal is to make it easier for blockchain developers to focus on their core business, with decentralized finance as a foundational capability at the protocol layer.

Our mission is to make it easy for developers to create secure, transparent products that enable direct transactions without relying on financial intermediaries. We build protocols and tools that promote financial inclusion, reduce transaction costs, and give users ownership over their assets.

What the role involves:

As a Principal Software Engineer in the Partner Chains team, you will be a key contributor in developing and maintaining the Rust implementation of the Partner Chains Substrate node. Your primary focus will be on designing and implementing an innovative cross-chain protocol that leverages advanced cryptographic techniques like Threshold Signature Schemes (TSS). This role needs deep expertise in Rust, distributed systems, smart contracts, and blockchain protocols.

Key Responsibilities:

  • Lead the design and development of the Partner Chains Substrate node in Rust, ensuring it meets high standards of performance, security, and scalability.
  • Architect and implement a novel cross-chain protocol, integrating cryptographic techniques such as TSS to enable secure and efficient cross-chain interactions.
  • Collaborate with engineers, cryptographers, and researchers to design and implement protocol improvements and new features.
  • Optimize and maintain the existing codebase, ensuring robust and efficient performance of the blockchain node.
  • Mentor and guide other engineers in best practices for Rust development and blockchain protocol design.
  • Conduct thorough code reviews, ensuring code quality, security, and be a technical bar raiser.
  • Troubleshoot and resolve complex issues in the blockchain protocol, particularly those related to cross-chain interactions and cryptographic implementations.
  • Contribute to the broader architectural vision of the Partner Chains Tribe, ensuring the protocol aligns with strategic goals.

What You Bring:

  • 5+ years of blockchain software development experience, with at least 3+ years in Rust and preferred expertise in the Substrate framework.
  • Understanding of cryptographic techniques, especially Threshold Signature Schemes (TSS), and their application in cross-chain protocols.
  • Experience with Ethereum would be a plus, including understanding its architecture, smart contracts, and cross-chain interaction challenges.
  • Experience in leading technical teams and mentoring engineers in protocol design and development.
  • A passion for innovation and a deep understanding of the challenges and opportunities in cross-chain interoperability. Special plus if you’ve worked with Cosmos IBC, or worked on bridging implementations in the past.
  • Remote work
  • Laptop reimbursement
  • New starter package to buy hardware essentials (headphones, monitor, etc)
  • Learning & Development opportunities
  • Competitive PTO

At IOHK, we value diversity and always treat all employees and job applicants based on merit, qualifications, competence, and talent. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

Apply Now:

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Rank Remote
Rank (rank.trading) About Us: Rank is revolutionizing DeFi by democratizing algorithmic trading strategies. Our platform enables users to create and deploy custom trading algorithms without coding knowledge, while other users can invest in these strategies based on global performance rankings. Think of it as a decentralized marketplace for algorithmic trading strategies, where successful creators operate like digital hedge fund managers. Role Overview: We're seeking a Junior Developer with expertise in connecting smart contracts to frontend applications. The ideal candidate will bridge the gap between our blockchain infrastructure and user interface, ensuring seamless integration of DeFi trading strategies. Key Responsibilities: Integrate smart contracts with our existing frontend codebase

Rank (rank.trading)

About Us:
Rank is revolutionizing DeFi by democratizing algorithmic trading strategies. Our platform enables users to create and deploy custom trading algorithms without coding knowledge, while other users can invest in these strategies based on global performance rankings. Think of it as a decentralized marketplace for algorithmic trading strategies, where successful creators operate like digital hedge fund managers.
Role Overview:
We're seeking a Junior Developer with expertise in connecting smart contracts to frontend applications. The ideal candidate will bridge the gap between our blockchain infrastructure and user interface, ensuring seamless integration of DeFi trading strategies.
Key Responsibilities:

  • Integrate smart contracts with our existing frontend codebase
  • Develop and maintain REST APIs to support platform functionality
  • Collaborate with our blockchain and frontend teams to implement new features
  • Optimize dApp performance and user experience
  • Write clean, maintainable, and well-documented code
  • Participate in code reviews and technical discussions

Required Skills & Experience:

  • Proven experience with Web3 libraries (wagmi and/or web3.js)
  • Strong proficiency in Next.js, specifically with the App Router
  • Experience building and maintaining REST APIs
  • Solid understanding of blockchain technology and DeFi concepts
  • Familiarity with TypeScript and React
  • Ability to work independently and problem-solve effectively

Bonus Qualifications:

  • C++ programming experience
  • Experience with DeFi protocols and smart contracts
  • Contributions to open-source projects
  • Knowledge of trading algorithms or financial markets

What We Offer:

  • Competitive base salary
  • Opportunity for token-based compensation
  • Work with cutting-edge blockchain technology
  • Remote-friendly environment
  • Career growth opportunities in a rapidly expanding DeFi project

Requirements:

  • Must be available during Central European Time (CET) working hours
  • Strong English communication skills
  • Reliable internet connection for remote collaboration

How to Apply:
Please send your TG handle, resume, GitHub profile, and any relevant project examples to email. Include "Junior Smart Contract Developer - [Your Name]" in the subject line.
Rank is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

Apply Now:

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Matter Labs Remote
🗓  Sat, Dec 14 Blockchain Crypto Cryptography EVM Ethereum Node.js Research Rust Travel Zero-knowledge 401k Dental insurance Health/medical insurance Vision insurance
At Matter Labs, we believe freedom drives progress and prosperity. We don’t see ourselves as a company, but as a team aligned around a single mission: to advance personal freedom for all (see ZK Credo). To achieve this goal, we’re building zkSync — a credibly neutral, fully open source technology stack and network on top of Ethereum, which is owned and governed by its community. We use advanced cryptography called zero-knowledge proofs to scale Ethereum infinitely without compromising on security or decentralization. With a world-class team, a community of over 1M supporters across Twitter + Discord, and hundreds of millions $ in funding, we have abundant resources to accomplish the mission. The Role We're looking for a Software Engineer- Blockchain Integrations to be at the forefront of real-world blockchain adoption. This role uniquely combines deep eng

At Matter Labs, we believe freedom drives progress and prosperity. We don’t see ourselves as a company, but as a team aligned around a single mission: to advance personal freedom for all (see ZK Credo).

To achieve this goal, we’re building zkSync — a credibly neutral, fully open source technology stack and network on top of Ethereum, which is owned and governed by its community. We use advanced cryptography called zero-knowledge proofs to scale Ethereum infinitely without compromising on security or decentralization. With a world-class team, a community of over 1M supporters across Twitter + Discord, and hundreds of millions $ in funding, we have abundant resources to accomplish the mission.

The Role

We're looking for a Software Engineer- Blockchain Integrations to be at the forefront of real-world blockchain adoption. This role uniquely combines deep engineering skills with great interpersonal skills and plays a key part in our strategy to onboard the next billion users.

If you are passionate about building innovative and scalable Web3 applications and have experience designing world-class systems, we would love to hear from you!

This position is fully remote.

What You'll Be Doing

  • Be a goal-oriented developer, diving deeply into our codebase to solve problems spanning our smart contracts to our core node

  • Conduct independent research in your area of ownership, design, implement, and document partner-oriented solutions to our core technology

  • Combine great engineering skills with great interpersonal skills to onboard the biggest companies in both Web3 and Web2

  • Collaborate closely and often with core engineers, product, business, and external development entities in order to affect change

  • Develop a strong understanding of the value zkSync brings to the world derived by a true mastery of the technology

  • Help partners dive into the ZK Stack and design their products

  • Work with DeFi Blue Chips to help them deploy on zkSync Era

What We Look For in You

  • 3+ years in backend software development and a deep understanding of software engineering best practices and architectures

  • Experience in Web3 and a track record of success

  • Passion for our mission to advance personal freedom for all

  • Strong interpersonal and communication skills

  • Ownership mindset

  • An understanding of Merkle Trees

  • Excellent understanding of Ethereum

  • Ability to thrive solo thinking through complex problems just as much as collaborating with partners

  • Fluency in written and spoken English

  • Extra points: understanding of the EVM, experience with dev tools, experience building protocols, experience with rust

Working at Matter Labs

At Matter Labs, 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. We will provide you with everything you need to learn, grow, and be productive.

Our results-only environment means anyone who believes in our mission can join us, regardless of background, sexual orientation, race, gender, and age. Both our team and community are made up of people from diverse backgrounds. That's why, out of politeness and respect, we refrain from opinions on politics, religion, or sex at the workplace.

We designed our culture around the tenants of freedom and ownership. This ethos will underpin our positive-sum community as we evolve toward full decentralization.

What we Offer

- Competitive compensation

- Equity and token package 

- 100% coverage for health, dental, and vision Insurance 

- 16 weeks of parental leave

- Flexible paid time off 

- Company closure weeks 1-2x per year

- $2000 USD work equipment stipend

- $300 USD monthly co-working allowance 

- Company offsites 1-2x per year

- $500 USD learning & development stipend 

- 401k plan for US Employees 

Don't meet every single requirement? That's ok. At Matter Labs, we think big with a long-term view and encourage you to apply even if you don't think you check every box in the job description.

If this role resonates with you, please apply now.

Read more about working at Matter Labs here.

Important: We are remote-first, operating in the timezones between UTC-5 (Latam and Atlantic Coast) to UTC+7 (South-East Asia).

Please click here for our applicant privacy notice.

To all recruitment agencies: Matter Labs does not accept agency resumes. Please do not forward resumes to our jobs alias, Matter Labs employees, or any other organisation location. Matter Labs is not responsible for any fees related to unsolicited resumes. Read our full policy here.

Apply Now:

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cLabs South America
cLabs is looking for a Blockchain Core Engineer to grow the Blockchain team, which is responsible for the Celo’s blockchain node. This role involves working on a go-ethereum based node with transformations that make the Celo blockchain unique (such as the consensus engine). Our main challenges are scaling the network, improving its security and resiliency, and adding new features that can only be done at node level (such as paying for gas fees with an ERC20 token) to the Celo ecosystem. In the Blockchain team, we collaborate with other engineering teams within cLabs. This includes other platform teams such as the Primitives team (as we constantly access smart contracts as part of our operation), and user-facing teams such as the Developer Tools teams (as a big part of our job is to make end users’ and contributors’ lives easier). We also collaborate with other teams to design and implement the right incentives for our validators and full nodes.

cLabs is looking for a Blockchain Core Engineer to grow the Blockchain team, which is responsible for the Celo’s blockchain node. This role involves working on a go-ethereum based node with transformations that make the Celo blockchain unique (such as the consensus engine).

Our main challenges are scaling the network, improving its security and resiliency, and adding new features that can only be done at node level (such as paying for gas fees with an ERC20 token) to the Celo ecosystem.

In the Blockchain team, we collaborate with other engineering teams within cLabs. This includes other platform teams such as the Primitives team (as we constantly access smart contracts as part of our operation), and user-facing teams such as the Developer Tools teams (as a big part of our job is to make end users’ and contributors’ lives easier). We also collaborate with other teams to design and implement the right incentives for our validators and full nodes.

This is a role with wide exposure to many areas of the stack, and you’ll quickly get acquainted with all the moving parts in a modern blockchain project.

You will:

  • Collaborate with teammates and design the Celo protocol
  • Contribute to the Celo blockchain client (L1 and L2), making sure it works as expected
  • Perform load testing and performance optimization, identifying bottlenecks and optimal parameters for healthy functioning of the chain
  • Write documentation outlining the specifics of the Celo protocol

You have:

  • Prior blockchain knowledge and development experience
  • Golang knowledge, ideally familiar with geth / optimism / erigon or other golang-based Ethereum clients
  • Distributed systems design skills and development experience
  • Good debugging skills, good understanding of how to figure out why things behave in unexpected ways
  • Good communication skills, both written and verbal
  • Responsible attitude to work, strong work ethics
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ZetaChain San Francisco(CA)
We are seeking a Site Reliability Engineer to join our team to help streamline operations and maintain critical infrastructure. You’ll write custom code to automate operational tasks and support a fleet of nodes for multiple blockchain networks. You’ll also provide guidance and expertise to development teams to ensure their applications follow modern best practices. Your work will directly impact the health and stability of our L1. About ZetaChain ZetaChain is the first Universal Blockchain with native access to Bitcoin, Ethereum, Solana, and more, offering seamless UX and unified liquidity to the next billions of users. With its Universal EVM, ZetaChain empowers developers to build Universal Apps that operate natively across any blockchain, creating a fluid crypto ecosystem from a single platform. Thriving Ecosystem : 1000 dApps developed between testnet and mainnet, showcasing diverse innovation and utilization

We are seeking a Site Reliability Engineer to join our team to help streamline operations and maintain critical infrastructure. You’ll write custom code to automate operational tasks and support a fleet of nodes for multiple blockchain networks. You’ll also provide guidance and expertise to development teams to ensure their applications follow modern best practices. Your work will directly impact the health and stability of our L1.

About ZetaChain

ZetaChain is the first Universal Blockchain with native access to Bitcoin, Ethereum, Solana, and more, offering seamless UX and unified liquidity to the next billions of users. With its Universal EVM, ZetaChain empowers developers to build Universal Apps that operate natively across any blockchain, creating a fluid crypto ecosystem from a single platform.

  • Thriving Ecosystem: 1000 dApps developed between testnet and mainnet, showcasing diverse innovation and utilization.
  • Engagement: With over a million community members, ZetaChain fosters a dynamic environment for engagement, and collaboration.
  • Live on Mainnet: partnered with all major exchanges.
  • Activity: Our network has over 4M unique addresses and growing fast!
  • Well Funded: Raised over $27M!

Find out more about our ecosystem.

Find out more about our hiring culture: Dream Team Culture

Why You Want To Work Here

  • Impactful Role: Play a pivotal role in shaping the future of a leading blockchain protocol.
  • Remote Flexibility: Enjoy the freedom and flexibility of a remote work environment, ensuring a work-life balance with quarterly team meet ups to get to know each other in person.
  • Cutting-Edge Technology: Dive deep into the latest advancements in blockchain technology with ZetaChain’s innovative protocol.
  • Continuous Learning: Stay updated with the rapidly evolving blockchain landscape, ensuring you’re always at the forefront of the industry.
  • Commitment to Open Source: We are committed to supporting open source software and use high quality open source tools internally when possible.

Requirements

Our ideal candidate description is a wish list, not a checklist. We don’t expect every applicant to tick every box. If you have a strong alignment with many of the qualifications and a passion for learning, we’d love to hear from you.

  • Experience:
    • 2+ year of Software Development
    • 2+ years of Infrastructure experience
    • 2+ years of Linux and Ansible experience
    • 2+ years of Kubernetes experience
    • Must play well with others, success is a team sport and at ZetaChain everyone participates!
    • Previous Startup Experience is important. We move much faster than your typical enterprise environment.
    • Security Mindset: constantly anticipating and strategizing against potential threats and vulnerabilities in any system or process.
  • Languages: Go, Ansible, Python, Terraform, Bash
  • Tech stack: Grafana, Linux, Docker, Kubernetes, Cosmos SDK
  • Platforms: AWS, GCP, Bare Metal
  • Location:
    • Remote (USA, Argentina, or EU)
  • Job Responsibilities:
    • Write code to streamline operations
    • Build monitoring and dashboards to report on server, infrastructure, and web app health
    • Deploy and maintain blockchain nodes for ZetaChain, Ethereum, Bitcoin, etc
    • Manage infrastructure for web applications
    • Ensure all processes meet our security, performance, and reliability requirements
    • Participate in on-call rotation every month
  • Bonus points:
    • Familiar with DevOps, DevSecOps, GitOps methodologies & best practices
    • Understanding of blockchain (Bitcoin, Ethereum, Cosmos); smart contracts (solidity), p2p networking
    • Experience with Go (Cosmos SDK, go-ethereum, btcsuite, Tendermint Core)

Who Would Be a Good Fit for This Role?

A candidate who is a coder at heart with a diverse set of experiences. They should enjoy streamlining operations and building new services that include comprehensive monitoring.

  • A seasoned developer with a solid foundation in software engineering and infrastructure
  • A proactive problem-solver with a track record of ensuring system reliability and scalability, now ready to tackle the unique challenges of blockchain infrastructure.
  • A creative thinker who is not only skilled in programming but also in building testing and observability tools to streamline development processes.
  • Someone with substantial experience in building and maintaining robust, scalable backend systems.
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ZetaChain San Francisco(CA)
Job Description Job Title: Software Engineer (Developer Experience) Location: Remote, or offices in NY/SF Company: ZetaChain 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, a testament to our growing impact and relevance in the blockchain space: Thriving Ecosystem : Over 150+ dApps developed, showcasing diverse innovation and utilization. Engagement : With over 1M+ followers on Twitter and an equally active Discord community of 1.2M+ members, ZetaChain fosters a dynamic environment for engagement and collaboration.

Job Description

Job Title: Software Engineer (Developer Experience)

Location: Remote, or offices in NY/SF

Company: ZetaChain

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, a testament to our growing impact and relevance in the blockchain space:

  • Thriving Ecosystem: Over 150+ dApps developed, showcasing diverse innovation and utilization.
  • Engagement: With over 1M+ followers on Twitter and an equally active Discord community of 1.2M+ members, ZetaChain fosters a dynamic environment for engagement and collaboration.
  • Activity: Our mainnet has seen over 8K+ smart contracts deployed and processed over 137M+ transactions among 3.5M unique wallet addresses

Find out more about our ecosystem.

Find out more about our hiring culture: Dream Team Culture.

About the Role

ZetaChain is seeking a software engineer with experience in TypeScript and smart contract development to join our team. You will be instrumental in developing open-source tools and libraries that enhance the developer experience on the ZetaChain platform, and you’ll be working directly with exciting components of our tech stack.

Overview

  • Our tech stack
    • Protocol: Go (Cosmos SDK, Comet BFT, Ethermint)
    • Infrastructure: Docker, Kubernetes, AWS, GitHub, Vercel
    • Smart contracts: Solidity (EVM), Rust (Solana), FunC (TON)
    • Frontend: TypeScript, Next.js, Ethers.js, GraphQL, protobuf
  • What you’ll do
    • Add new features to the Toolkit, our library of TypeScript functions that interact with ZetaChain
    • Improve Localnet, ZetaChain’s local development environment, to ensure seamless developer experiences
    • Maintain and expand UniversalKit, our component library
    • Extend and enhance example contracts with new features and support for additional connected chains
    • Participate in dev rel initiatives to foster community growth and engagement with the ZetaChain ecosystem
    • Get paid to write open-source software and public docs (probably what you always wanted)
    • Work on providing the best developer experience for people building on top of ZetaChain
    • Work on products that bring our core interoperability blockchain technology to end-users

Your skills and experience

  • Base experience
    • 4+ years of experience in software engineering, with a strong background in TypeScript
    • Experience in at least one smart contract language. Solidity is important, but we also work with Rust, FunC, and other languages in the future.
    • Proficiency with TypeScript development tools and libraries, including Next.js, Ethers.js, and GraphQL
    • Experience with smart contract development tooling, like Hardhat
  • Bonuses
    • A balanced experience between working at startups and big tech companies
    • Experience with EVM or Cosmos blockchains
    • A track record of contributing to or managing open-source projects
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