Come join the team as a Senior Backend Engineer at Symphony Labs! You will be working alongside the founding team and play a crucial role in reshaping the future of DeFi.

As a Senior Backend Engineer, you will be instrumental in developing and deploying innovative solutions for secure and efficient systems. You will collaborate across teams to ensure seamless integration within our broader ecosystem and partners, and continuously drive innovation by staying at the forefront of blockchain technologies.

Qualifications:

• 2-5+ years of backend experience
• Strong backend development with Node.js, JavaScript, DeFi systems, backend architectures, database management, and experience integrating smart contracts
• Proficiency in Javascript and Solidity
• Rust and/or AI/LLMs experience is a plus
• Full KYC process for all hires
• Competitive salary with equity
• Globally remote (Americas timezones preferred)
• A passion for shaping the future of finance

The total compensation package (base salary and equity) for this role ranges from $120K-$350K+, with additional company benefits. The pay range provided reflects individual compensation based on factors such as work location, assessed job-related skills, experience, and relevant education or training.

Join the Symphony Labs team!

We are building the first agnostic execution network, designed to unify DeFi’s fragmented landscape by enabling near-instant cross-chain transactions.

Symphony’s infrastructure reduces cross-chain execution time to under 3 seconds—45x faster than LayerZero and Axelar—creating a new standard for interoperability.

This is developed to address and solve liquidity fragmentation and the complex user experiences across chains, providing a seamless, unified solution for DeFi users and developers alike.Being the world’s first vertical agnostic infrastructure stack, Symphony enables anyone to execute anything across all chains and protocols without being burdened by bridges, multiple wallets, gas fees, etc.

Our team is composed of former Consensys, MetaMask, Kraken, and Axelar veterans, and we’re backed by top investors.

We are looking for an innovative, passionate, and productive person who is excited about building the future of accessible crypto applications, feels comfortable challenging opinions, and most importantly who shares with us the same desire to make DeFi useable again.

• Opportunity. We believe DeFi should be fast AND accessible. You’ll do high-impact work to enhance scalability, shaping the future of crypto
• Flexibility. We are a remote-first company, and collaborate synchronously and asynchronously, via daily all-hands meetings
• Culture. As an early member of our team, you’ll have a unique opportunity to help shape our culture. We value intellectual honesty, bias towards action, and believe every member plays a key role in achieving our ambitious goals
• Compensation. We offer a competitive salary + equity + benefits package

Learn more at: symphony.io

Symphony Labs is an equal opportunity employer. We do not discriminate on the basis of race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, age, disability, genetic information, veteran status, or any other status protected by applicable laws or regulations. All employment decisions are based on qualifications, merit, and business need.

Apply Now:

Project overview

Solana, founded by Anatoly Yakovenko in 2017, is a high-speed, decentralized blockchain platform using the innovative “Proof of History” mechanism. Solana offers fast, secure, scalable apps and marketplaces. With over 1,400 validators and significant involvement in projects like Wormhole Bridge, Pyth, Neon EVM, and Lido on Solana, P2P has supported Solana from its genesis, managing over $50M. The platform sees heavy DeFi usage, with over 30,000 daily active addresses and millions of transactions. Solana’s ecosystem includes developments like Solana Pay for instant, low-fee transactions and the Solana Mobile flagship phone, Saga.

You will do 🚀

• Implement best practices and principles of validation, monitoring and logging
• Explore network requirements for validator and build infrastructure to meet requirements
• Raise and maintain validation nodes for PoS staking
• Develop tools, scripts and playbooks to speed up processes
• Create cloud-agnostic infrastructure as code
• Maintain security and compliance standards

You have 🤓

• Strong understanding of Linux
• Experience in containerization with Docker, familiarity with orchestration, infrastructure as code with Terraform, experience in configuration management via Ansible
• Hands-on experience with on-premise and public clouds (GCP preferred)
• Education or basic experience with cryptography and information security
• Basic knowledge of any modern language that allows you to write in procedural style: Go, Rust, or Python (Go and Rust are preferred), C++, experience in pet projects counts too
• The ability to read code will contribute greatly to efficiency
• English level: B2+

What we offer ➡️

At P2P.org we have a team of experts with their own unique approach and ownership culture. Together we gain experience and make dreams come true! 🌟

• Remote working from any part of the world
• Work from anywhere in the world: an international distributed team
• Competitive salary level in $ (we can also pay in Crypto)
• Well-being program
• Mental Health care program
• Compensation for education, including foreign language study programs & professional growth courses
• Equipment & co-working reimbursement program
• Overseas conferences, community immersion
• Positive and friendly communication culture

P2P.org is an equal opportunity employer. All applicants will be considered for employment without regard to race, color, national origin, religion, sex, sexual orientation, gender identity, veteran status, or disability.

General Requirements:

• Search Time Zone: Cyprus +/- approximately three hours
• English B2+

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:

• Discord
• LinkedIn
• Twitter

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:

• Discord
• LinkedIn
• Twitter

Ready to elevate your game development career? Join us at Easygo and play a key role in crafting the next generation of virtual games!What's in it for you?A unique opportunity for a Math Game Developer to utilise and build on an existing game engine and optimisation algorithms to create virtual slot games. In this role, you will also take over slot game development for an external game studio.Your role with us:As a Math Game Developer, you will be heavily involved in programming game logic and optimising virtual slot machines, as per stakeholder requirements. Working closely with an external provider as well as our local Twist Gaming team, you will be provided game-design documents with required rulesets. Your major tasks will be to implement the game logic and provide results of various statistical tests to gauge game quality.Who are we?At Easygo we proudly stand as a prominent service provider to a powerhouse of brands within the iGaming industry, including Stake.com, Kick.com and Twist Gaming.  Stake is the world's largest crypto casino, and leads the industry with a seamless online casino and sportsbook experience. Level up your online entertainment with Kick.com, the vibrant live-streaming platform, which connects millions of gamers and content creators worldwide. All alongside the innovative game design studio, Twist Gaming, which takes creativity to new heights by crafting cutting-edge and captivating games.  Our commitment to placing our clients and their communities' entertainment at the forefront of everything we do, has solidified us as the ultimate online service provider for entertainment companies.  Headquartered in the beautiful city of Melbourne, our growth has been remarkable. From humble beginnings to a thriving workforce of 400+, we've expanded not only in numbers but in ambition. There really is something for everyone here, whether you work in Tech, Marketing, Operations, Mathematics or Design, we are sure to have something for everyone.Click play, on your career today! What you will do: 

Develop, optimize, improve, and maintain our math-engine and prototyping tools. Be responsible for overseeing the simulation farm. Develop and automate mathematical models for slot machines, focusing on probability calculations, payout analysis, and game dynamics. Utilise advanced Python programming skills to create efficient algorithms and optimise existing code for performance. Collaborate with cross-functional teams to integrate mathematical models into slot machine software and systems. Conduct thorough testing and validation of mathematical models to ensure accuracy and compliance with regulatory requirements. Analyse player data and machine performance metrics to identify opportunities for improvement and optimisation. Stay current with industry trends, best practices, and regulatory changes related to slot machine mathematics. Participate in brainstorming sessions and contribute innovative ideas to enhance game features, bonus systems, and player engagement. Assist in the preparation and submission of reports and documentation for regulatory agencies as required.

What you will bring: 

Successful track record and understanding of probability and statistics  Experience with online slot games Best practices in TDD (Test Driven Development) Technical/Coding capabilities in Python will be highly valued 

Bonus points if you also have:

Knowledge of Rust or other low-level programming language will be beneficial Previous work with math engines, game engines (such as Unity, CoCos, GoDot etc..) and/or prototyping tools Technical Documentation proficiencies (GitHub) SQL for Data Analytics

Some of the perks of working for us:

EAP access for you and your family Access to over 9,000 courses across our Learning and Development Platform  Paid volunteer day Two full-time baristas who will make your daily coffee, tea, fresh juices and smoothies for FREE! FREE daily catered breakfast! Massage Wednesdays - we get professionals to do this! Team lunches and happy hour in the office from 4pm on Fridays Fun office environment with pool tables, table tennis and all your favourite gaming consoles 'Help Yourself' Cold Drinks Fridges and massive Snack Walls on every working level!

“We are a 2024 Circle Back Initiative Employer – we commit to respond to every applicant” We believe that the unique contributions of everyone at Easygo are the driver of our success. To make sure that our products and culture continue to incorporate everyone's perspectives and experience we never discriminate on the basis of race, religion, national origin, gender identity or expression, sexual orientation, age, or marital, veteran, or disability status. We are passionate about providing a workplace that encourages great participation and an equal playing field, where merit and accomplishment are the only criteria for success.

Apply Now:

Who are we?

IOHK, is a technology company focused on Blockchain research and development. We are renowned for our scientific approach to blockchain development, emphasizing peer-reviewed research and formal methods to ensure security, scalability, and sustainability. Our projects include decentralized finance (DeFi), governance, and identity management, aiming to advance the capabilities and adoption of blockchain technology globally.

We invest in the unknown, applying our curiosity and desire for positive change to everything we do. By fueling creativity, innovation, and progress within our teams, our products and services are designed for people to be fearless, to be changemakers.

About Midnight:

IOG's Midnight Tribe is a business technology provider and core contributor to the Midnight Network, a blockchain platform for developing decentralized applications that safeguard personal and commercial data. The Midnight Network is the first blockchain to offer programmable data isolation by leveraging zero-knowledge (ZK) proofs to enable selective disclosure of what information is visible on-chain and is designed to help developers implement necessary business policies, such as meeting regulatory requirements.

What the role involves:

As a Senior Developer Relations Engineer, your primary focus will be building and maintaining example applications that demonstrate the versatility of Midnight's unique data protection and ZK-proof capabilities. These applications will highlight diverse use cases, providing developers with tangible examples of what's possible. You will complement this work by creating educational content to guide developers in building similar applications, empowering them to leverage Midnight's ecosystem to its full potential.

You will level up developers through education and enablement; we’re here to get developers excited about Midnight and to support them and their communities in achieving their goals. We build in front of the world; we're creative, and we embrace that energy to produce and share ambitious, inspirational projects with deep technical roots. By sharing authentic, engaging content with our communities, we're able to join in the conversations that matter to them and bring their stories home to help Midnight build better products. Those same discussions give us a chance to use our product expertise to make developer's lives better by helping them understand the value of zero-knowledge technology and how they can effectively apply it in their own projects.

We're developers, and we love to code. We code so we can speak from practical experience and join the global conversation. You'll be happiest on this team if you've lived the pain of pager duty and know the joy that comes from a beautiful green test suite. We're storytellers. We excite, engage, and empower developers. We're active members of our communities. We coordinate meetups, attend conferences, and help developers realize their collective strength. Collaborative personalities can expect to thrive here.

We value unique perspectives, and we absolutely encourage applications from candidates with backgrounds and identities that add to our spectrum of experience.

Given the nature of the work, this is a remote position. We're a results-oriented team, so our hours offer some flexibility.

Main Goals

• Design, develop, and maintain high-quality example Decentralized Applications (DApps) that showcase innovative and practical Midnight use cases, serving as a learning and inspiration resource for the developer community.
• Create educational materials, tutorials, and documentation that walk developers through the process of building DApps similar to the example projects, helping them understand Midnight's technology and its practical applications.
• Engage and build relationships with developers in the Midnight community to help them understand and build the DApps you’ve created.
• Respond to and support the developer ecosystem via various channels.
• Create awareness, drive activation, and foster engagement among the developer community to grow and maintain a thriving Midnight ecosystem.
• Investigate emerging needs of DApp developers that point to improvements for Midnight and associated tooling, ensuring excellent usability, continuous improvement, and ongoing responsiveness to our community.

Duties

• Coding: Spend significant time designing, coding, and maintaining example DApps that demonstrate Midnight's capabilities. These examples will span diverse use cases, showcasing data protection and zero-knowledge proof integrations. Additionally, contribute to relevant open-source projects and internal tooling to support the Midnight ecosystem.
• Developer Advocacy: Use the example applications you've built as core material to engage with the community. Speak at conferences, host live coding sessions, create video tutorials, and write blog posts to show developers how to build and innovate with Midnight.
• Developer Engagement: Cultivate and maintain strong relationships with developers, both internally and externally. Act as the primary point of contact for developers seeking technical assistance and guidance.
• Education and Training: Develop step-by-step guides, courses, and workshops that teach developers how to create applications similar to the example use cases. Translate complex concepts into approachable, actionable content.
• Content and Knowledge: Document the architecture and design of the example DApps thoroughly. Create technical content that explains how to replicate or adapt these solutions for other use cases, ensuring that resources are clear, detailed, and comprehensive.
• Traveling: Join the conversation by meeting developers where they are and exploring their cultures. Showcase example applications and conduct hands-on workshops at developer conferences, meetups, and hackathons worldwide. As conditions permit you could be spending as much as 50% of your year traveling the world.

Who you are:

• 7+ years of software development experience with JavaScript, Typescript, Python, Ruby, Go, Rust, or a similarly relevant language. We’re willing to be convinced
• 5+ years of developer relations or community engagement experience
• Experience in designing and building example applications or demo projects for developer enablement in blockchain or similar ecosystems
• Experience delivering technical content in public forums
• Open-source contributions in one of the aforementioned languages
• English verbal and written fluency
• Experience streaming on Twitch, Twitter, YouTube
• Community leadership experience
• Multiple languages: software and human
• Tech Skills: Proficiency in coding languages commonly used in blockchain development, such as Rust, TypeScript, JavaScript, or Go. Expertise in building full-stack applications, integrating blockchain technologies, and understanding smart contract development.
• Communications: Possesses professional empathy and excellent interpersonal skills to communicate effectively and relate to others in written and verbal forms, able to establish cross-team relationships.
• Collaborative: A team player who can contribute within and beyond explicit duties, helping with building/nurturing communities.
• Results-Oriented: Delivers measurable results, turning abstract concepts into tangible outcomes.
• Project management: Plan, coordinate, communicate, and manage projects and deliverables across multiple areas and maintain strong stakeholder relationships, both internal and external.

Are you an IOGer?

Do you find yourself questioning the status quo? Do you tinker with ideas and long to turn those ideas into solutions? Are you able to spark thoughtful debates, bringing out the inquisitiveness in others? Does the promise of continuously growing excite you? Then get ready to reimagine everything you thought wasn’t possible because that’s what it means to be an IOGer - we don’t set limits, we break them.

• Remote work

• Laptop reimbursement
• New starter package to buy hardware essentials (headphones, monitor, etc)
• Learning & Development opportunities
• Competitive PTO

At IOG, 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:

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:

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:

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:

Overview

• Our tech stack
  • Infrastructure: Docker, Kubernetes, AWS
  • Protocol: Go (Cosmos SDK, go-ethereum, btcsuite, Tendermint Core)
  • Smart contracts: Solidity, Rust, Hardhat
  • Frontend: Typescript, Next.js, Redux toolkit, Ethers.js, tRPC, GraphQL
  • Others: Yarn3 monorepo, Vercel, GitHub actions
• Location
  • Remote
• What you’ll do
  • Get paid to write open-source software (probably what you always wanted)
  • Work with Typescript and Solidity
  • Work on new products that bring our omnichain technology to end-users
  • Work on data-heavy, high-traffic (millions of unique users during the last month) backends

Your skills and experience

• Base experience
  • +3 years working as a software engineer
  • Full-stack engineering experience with focus on the backend and smart contracts
  • Experience working on blockchain products
• Bonuses
  • A balanced experience between working at startups and big tech companies
  • Experience building products from scratch

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

About The Role:

The Software Engineering team at Shardeum is responsible for delivering the Shardeum Mainnet, and developing the smart contract platform, the consensus layer and the protocol layer. We focus on building scalable, performant, secure and reliable software that can be downloaded by thousands of node operators to actualize the Shardeum network. We are in search of a highly talented, innovative Lead Blockchain Engineer that has hands-on, practical Ethereum Virtual Machine (EVM) experience - preferably with another L1 blockchain.

If you enjoy solving complex computer science problems, are passionate about what you work on, are a perfectionist who wants to build things the right way, and are persistent about finishing what you started, then you're the kind of person we are looking for. You will be working with equally talented and innovative individuals with the goal of building incredible software with the potential to change the world.

What You'll Be Doing:

• Provide technical structure to teams and work closely with management and stakeholders to define strategic road maps for our EVM based Smart Contracts platform.
• Manage individual, EVM based projects, priorities, deadlines and deliverables with your technical expertise.
• Mentor and train other team members on design techniques, coding standards and EVM basics.
• Contribute to the architecture and implementation of complex software components on the EVM.
• Take on end-to-end ownership of critical software components related to our EVM based smart contracts platform.
• Design and develop innovative new consensus and protocol software.
• Ensure performance optimization, and making scalability / reliability improvements to the software.
• Resolve issues, debugging errors and fixing code to improve the reliability and security of Shardeum software components.
• The tech stack you will be using is: Nodejs, TypeScript, SQLite, Postgres, React and Vuejs
• The development environment will be: Linux, Git, AWS, Docker and VS Code.

What We're Looking

• Extensive experience designing, implementing and maintaining an EVM based Smart Contract platform.
• You know what high quality code looks like and know how to foster an environment that creates it.
• Fluency with algorithms and data structures.
• The ability to quickly learn new languages and technologies.
• The ability to write clean yet efficient code.
• The Creativity to come up with proof of concept from high level design, even in an often ambiguous environment.
• Self motivated to set priorities and methodically make progress toward goals.
• The ability to communicate effectively and convey your ideas when discussing technical topics with team members.
• Bachelor's Degree in Computer Science or a related field.

We'd Love If You Have:

• Experience working on all levels of a Layer 1 blockchain.
• Experience with concurrency, parallelism and distributed systems.
• Experience with consensus protocols and other blockchains.
• Experience with Node.js and TypeScript, or languages like C, C++, Rust or GO.
• Experience writing a smart contract on a blockchain.
• Experience running a node in a blockchain network.
• Read the Bitcoin and Ethereum white papers.

We are building the infrastructure for Web 3.0. It's going to be a rollercoaster ride but promises to be fun!

Apply Now:

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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 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

 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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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 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 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.

Apply Now:

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About the role

We are looking for a Security Engineer to join Interop Lab’s engineering team. This individual will play a critical role in ensuring the robustness, reliability, and security of the ecosystem. If you are passionate about blockchain security, thrive on solving complex problems, and enjoy collaborating cross-functionally, this role is for you.

Your responsibilities

• Conduct in-depth security assessments of the codebase, smart contracts, and integrations.
• Identify potential vulnerabilities and propose solutions to mitigate risks.
• Work closely with Engineering, Product, and DevOps teams to ensure security is embedded throughout the development lifecycle.
• Develop and improve scripts, tools, and practices for secure key management and cryptographic operations.
• Support the team in investigating and responding to security incidents, including post-incident analysis and developing preventive measures.
• Keep up with the latest developments in blockchain security, cryptographic techniques, and industry best practices to continuously improve our security posture.

Your profile

• 5+ years of experience in a security engineering role in web3.
• Proven experience in securing blockchain protocols, smart contracts, or cryptographic systems.
• Strong programming skills, particularly in languages such as Rust, Solidity, or Go.
• Deep understanding of cryptographic principles and blockchain architectures.
• Ability to analyze complex systems and identify potential vulnerabilities.
• Hands-on experience with penetration testing, code audits, or security research in Web3 ecosystems.
• Excellent communication skills to work effectively across teams.
• Experience working in cross-functional fully remote environments.

Why us?

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

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?

We are looking for a passionate and skilled engineer to join our highly dynamic team.

You will be developing blockchain-based solutions that span across a wide spectrum of the web3 ecosystem, from protocol level engineering and smart contracts development to dapps and Enterprise/Financial applications that integrate with or are built on blockchain infrastructure.

This is a remote-first role. You will be working with a globally distributed team of talented engineers and researchers, as well as many leading industry partners.

You should be proficient in at least one or more general programming languages (refer to the skills section for details), as well as Smart Contract development, primarily Solidity. A deep understanding of the Ethereum blockchain, strong general engineering skills, and a firm grasp of computer science fundamentals are required. The ideal candidate would be a robust problem-solver with excellent attention to detail and effective communication skills. Familiarity with non-EVM blockchains, zk proofs, the DeFi landscape, and traditional finance would be advantageous.

Responsibilities include, but not limited to:

• Work on full-stack engineering solutions that integrate with or built on top of blockchains.
• Design and build applications on various blockchains
• Develop, test, and deploy secure smart contracts
• Debug and optimize smart contracts
• Extract and process data from the blockchain
• Develop scripts & tools to automate or improve blockchain interactions
• Collaborate with other engineers and teams, both internally and externally
• Stay updated with new developments and technology in the blockchain space

Technical Skills:

• Excellent programming skills in one or more of the following programming languages: C#, Go, TS/JS, Solidity, Rust, Python, Java, Kotlin, but will also consider other tech stacks.
• Proficient in a smart contract programming language (eg. Solidity, Cairo, MOVE) with extensive experience in developing complex smart contracts. Familiar with toolings such as Foundry, Hardhat or Remix.
• Ability to implement efficient algorithms and design complex data structures
• Understanding of good software architecture and engineering process
• Ability to write clean, testable, and maintainable code without over-engineering
• Deep understanding of Ethereum blockchain architecture
• Understanding of the DeFi landscape, such as lending protocols, AMMs, Perps and stablecoins
• Experience in developing off-chain applications that integrate with web3 protocols, using libraries such as Web3.js and ethers.js.
• Strong computer science background

Other Competencies:

• You need to be a self-starter, with the curiosity and drive to continuously improve.
• Excellent problem-solving and analytical skills, with attention to detail
• Strong written and verbal communication and collaboration skills
• Proficiency in English

Nice to have:

• Knowledge in Traditional Finance, and the intersection between traditional finance and blockchain, such as Tokenization.
• Experience with layer-2 solutions like Starknet, Optimism, zkSync, and Arbitrum
• Familiarity with blockchain data analytics tools like Dune and Nansen
• Knowledge of cryptographic primitives like hashing and signature schemes
• Familiarity with zk proof systems (ZK-STARK, ZK-SNARKs)
• Familiarity with formal verification methods for smart contracts
• Experience in front-end development with frameworks like React or Angular
• Familiarity with smart contracts auditing tooling/techniques (e.g Fuzzing, Symbolic execution, Static and Dynamic Analysis)
• Infrastructure / DevOps experience (eg. setup private networks)
• Ethereum core development experience

Perks and Benefits

• Professional Growth: Continuous learning opportunities and the chance to work with industry leaders.
• Fully Remote: Work from anywhere in the world.
• Flexible Working Hours: Manage your own schedule to balance work and life effectively.
• Competitive Compensation: Attractive salary plus equity options.

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

• Discord
• LinkedIn
• Twitter

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 Us

Join a team of brilliant minds and hardcore engineers dedicated to solving some of the most challenging problems in software engineering today. We offer a unique opportunity to work on algorithmically intensive, design-heavy projects that are novel and groundbreaking. If you’re an excellent problem solver motivated by tackling complex challenges, and you thrive on innovation and collaboration, we’d love to have you on board.

How to Know If You’re the Right Fit

If you’re driven by complex challenges and excited by the prospect of working with cutting-edge technologies, this role is for you. We’re looking for individuals who are not just engineers but innovators—those who are eager to collaborate with the best minds in the industry and make a significant impact on the future of technology.

Why This Role Is Exciting

• Work with the Best: Collaborate with some of the brightest engineers and researchers in the industry.
• Innovative Challenges: Tackle projects that require deep algorithmic thinking and advanced design.
• Impactful Work: Contribute directly to the development of technologies that push the boundaries of what’s possible.
• Collaborative Environment: Partner with leading developers and researchers shaping the future of decentralized technologies.

Responsibilities

Algorithm and System Design:

• Develop and implement efficient algorithms and complex data structures.
• Design scalable, high-performance systems and components.
• Innovate solutions for new and novel technical challenges.

Software Development:

• Build and enhance high-throughput, low-latency systems.
• Implement advanced networking layers and protocols.
• Optimize software for performance, scalability, and reliability.

Collaboration and Leadership:

• Work closely with industry-leading developers and researchers.
• Participate in code reviews, architecture discussions, and collaborative problem-solving sessions.
• Mentor and guide junior engineers within the team.

Research and Innovation:

• Stay abreast of emerging technologies and industry trends.
• Contribute to research initiatives and publish findings where applicable.
• Experiment with new tools and technologies to push the boundaries of what’s possible.

Skills and Qualifications

Technical Expertise:

• Exceptional problem-solving skills with a passion for tackling complex, algorithmic challenges.
• Strong experience in software development.
• Familiarity with Rust, GO or C# is a plus but not mandatory.
• Deep understanding of software architecture, design patterns, and system design principles.
• Experience with distributed systems, networking, or low-level programming is advantageous.

Personal Attributes:

• Entrepreneurial mindset with a drive to innovate and take ownership of projects.
• Ability to work independently in a fast-paced, dynamic environment.
• Excellent communication and teamwork skills.

Experience:

• Several years of professional experience in software engineering.
• Proven track record of solving complex technical problems and delivering high-quality solutions.

Opportunities

Collaborate with Leading Organizations:

• Work alongside the best developers and organizations in the industry (Ethereum Foundation, Starknet, Gnosis, and many others).

Innovate in a Non-Boring Environment:

• Dive into projects that are new and novel—not your typical enterprise tasks.
• Be at the forefront of technological innovation in the industry.

Examples of Projects You Might Work On

• Designing and implementing new consensus algorithms.
• Optimizing virtual machines or compilers for better performance.
• Implementing advanced P2P networking protocols for high-performance distributed systems.
• Developing efficient data structures for state representation in distributed systems.
• Contributing to open-source projects and publishing innovative research.
• Developing SDKs for the best DevEx in the industry.

Perks and Benefits

• Professional Growth: Continuous learning opportunities and the chance to work with industry leaders.
• Fully Remote: Work from anywhere in the world.
• Flexible Working Hours: Manage your own schedule to balance work and life effectively.
• Competitive Compensation: Attractive salary plus equity options.

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

• Discord
• LinkedIn
• Twitter

We are seeking an experienced Smart Contract Developer with expertise in the Internet Computer (IC) blockchain and Rust programming language to help us set up and deploy canisters efficiently. The primary task involves debugging and resolving deployment issues, ensuring successful canister installation, and configuring the project environment correctly.

Requirements:

1. Technical Skills:

• Expertise in Rust programming language for smart contract development.
• Proficiency with Internet Computer (IC) and the DFINITY SDK (dfx).
• Strong experience in deploying, managing, and debugging canisters on the IC blockchain.
• Familiarity with WebAssembly (WASM) module deployment.
• Strong knowledge of Linux/Unix terminal commands and scripting.

1. Tools & Platforms:

• Proficiency with Git for version control.
• Experience with Docker and containerization (optional but preferred).
• Basic knowledge of front-end deployment pipelines using tools like Vite or Webpack.

1. Soft Skills:

• Strong troubleshooting and debugging skills.
• Clear communication and documentation abilities.
• Ability to work independently and meet project deadlines.

Bonus Skills:

• Familiarity with Decentralized Finance (DeFi) projects.
• Experience integrating wallet systems or web3 front-ends.

Tasks

• Diagnose and resolve issues related to canister deployment using dfx.
• Debug errors related to replica communication and WASM installation failures.
• Develop and maintain smart contracts using Rust.
• Configure and maintain the project environment, ensuring all dependencies and paths are correctly set.
• Automate deployment scripts where necessary.
• Document the process and provide support for future deployments

Requirements

• Expertise in Rust programming language for smart contract development.
• Proficiency with Internet Computer (IC) and the DFINITY SDK (dfx).
• Strong experience in deploying, managing, and debugging canisters on the IC blockchain.
• Familiarity with WebAssembly (WASM) module deployment.
• Strong knowledge of Linux/Unix terminal commands and scripting.

Please send your resume, portfolio, or GitHub link, along with a brief explanation of your experience with IC, canister deployment, and Rust programming.

Apply Now:

About the role

Timewave is looking for a Senior Rust Engineer to help build our flagship cross-chain products.

Responsibilities

• Engineer highly reusable and well documented CosmWasm code
• Design testing strategies, including by writing unit tests and end to end tests
• Integrate Timewave’s products with our ecosystem partners’ codebases
• Create and maintain clear documentation
• Collaborate on product specifications with other members of the product and engineering team
• Mentor junior colleagues and support their growth
• Contribute to engineering efforts across Timewave
• Support our users by helping troubleshoot technical issues

Requirements

• Bachelors or Masters in Computer Science, Engineering, or related field. Strong fundamentals in data structures, algorithms, storage, networking, and blockchains
• 6+ years of engineering experience in Rust
• Highly proficient in software development best practices such as agile processes, version control, testing, and CI/CD
• Strong communication in English
• Ability to collaborate in a remote-first work environment
• Passionate about crypto and demonstrated interest in DeFi, digital institutions, and new forms of money

Bonus

• Experience with smart contract development in CosmWasm, EVM, or SVM
• Open source contributions to the Interchain Stack

We value curiosity and non-traditional career paths. If you don’t meet all the requirements perfectly but believe you would excel on the team, we would still love to hear from you and encourage you to apply.

What we offer

• Above-market equity. We plan on raising our first venture capital round in 2025. There is still time to join us on the ground floor.
• Flexible work schedule
• Deeply self-motivated teammates who encourage you to run with your passion
• High-trust, high-agency team striving to be the world’s best collaborators
• Immaculate vibes

To Apply

Please email email with your resume and any additional information that might help us get to know you (e.g., github)

About us

About Timewave

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Blockstream was founded in 2014 by Dr. Adam Back and a group of fellow cryptographers and engineers passionate about Bitcoin and its potential to change the future of finance. Focusing on building fundamental Bitcoin infrastructure, Blockstream quickly grew into one of the leading technology power houses of the industry. At Blockstream, we’re building solutions on Bitcoin that will disrupt the existing financial system. We imagine a world where individuals and businesses can easily access a global, permissionless system to secure their money, use it every day, and invest it or put it to work. In pursuit of our expansive vision, we’ve built a full stack of innovative products on top of the Bitcoin protocol, from layer-2 projects like Liquid and Core Lightning, to end-user software and hardware wallets like Green and Jade. Our brand stands for innovation in the Bitcoin community, and we’re growing our team to accelerate the future.  Blockstream has openings for engineers to work in teams, building high-performance software back-end infrastructure, that integrates seamlessly with user-facing features. What You’ll Be Doing (Responsibilities):

Working with different programming languages and varied tech stacks Building and maintaining robust solutions using your high-level expertise and solid understanding of low-level systems to seamlessly integrate our technology with end users as well as existing third-party systems You will design, implement, test, deliver, and support software in a continuous integration and deployment environment

What We Look For In You (Required Qualifications):

5+ years of working experience Extensive knowledge in any, or multiple, of the following:

C/C++, Rust Test-driven development (unit tests, end to end, etc) Designing, implementing, and using APIs (RESTful, Websocket, RPC, etc.) Functional Programming Development and operation of back-end infrastructure and sysadmin tools Design of scalable, distributed back-end architectures Cloud development and deployment (AWS or GCE)

Experience with system/software architecture Excellent communication, team player attitude and collaboration skills Highly self-motivated, lifetime learner

Nice To Haves (Preferred Qualifications):

Experience with Bitcoin, blockchain technology, or cryptography Open-source software development experience Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field (or equivalent experience)

Apply Now:

Logos is a movement supporting the development of the decentralised web. Logos technologies lay the foundations for a freer internet upon which communities can evolve into network states. Each protocol in the Logos stack seeks to empower its users while upholding civil liberties and fundamental freedoms.

The project

Nomos is a sovereign, modular, zk-encrypted network of blockchains. The trustless agreements layer of the Logos stack. The forthcoming Nomos network will provide a common infrastructure layer upon which communities and aspiring network states can build social, governance, and financial services that uphold their community members’ fundamental rights and values.

Key Responsibilities

This position is a hybrid engineering and applied research role. Primarily, as an engineer, you will contribute by implementing the specifications developed during research. As a researcher, you will contribute to the design of new protocol solutions. You will design, specify, verify and build distributed systems by leveraging formal and experimental techniques; build proof of concepts and prepare executable specifications for the development team.

It’s expected you understand papers in depth and are able to take all necessary steps for their evaluation, adaptation and implementation. The project will expose you to the newest ideas and allow you to stay up-to-date with what is emerging in the space (blockchain, p2p networks, distributed systems, cryptography, Zero-Knowledge proofs, MPC, etc.). You will conduct theoretical and practical analysis of the performance of distributed systems and present research results.

Ideally, you will have

• Coding experience in Rust - this is a MUST-have requirement for this role!
• Research experience in Distributed Systems, ideally byzantine settings.
• Strong background in Computer Science and Math, or a related area.
• Keen communicator, eager to share your work in a wide variety of contexts, like internal and public presentations.
• Strong interest in privacy, censorship-resistant technology, open protocols.

Bonus points

• Experience working for an open-source organization.
• Knowledge of cryptography.
• PhD in Computer Science, Mathematics, or a related area.
• Solid knowledge of mathematics (probability and statistics are often use in our research).
• Track record of scientific publications.

Hiring process

• Interview with our People Ops team
• Interview with team member
• Interview with team member
• Interview with interview with Nomos Lead Compensation

We are happy to pay in any mix of fiat/crypto.

Apply Now:

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About Aztec At Aztec, our goal is to add privacy to Ethereum. In the current public blockchain paradigm, users and entities unknowingly broadcast data in the public, compromising privacy and security to get trustlessness. Not only are unencrypted blockchains inherently privacy-exposing, they require significant redundancy to compute and verify the legitimacy of transactions. Implementing scalable encryption in a public blockchain paradigm requires cutting-edge math and engineering. Thankfully, our team of scientists and engineers invented Plonk, the industry-standard zkSNARK, and Noir, the universal language of zero knowledge. Now, we’re building a first of its kind Layer 2 with private smart contracts. This requires new cryptographic primitives, a zero-knowledge DSL for writing contracts, a privacy-friendly execution environment, a carefully designed set of circuits that prove the validity of the chain to L1, a decentralized block-building and proving mechanism, and a top-tier user and developer experience. And it’s now time to bring it to market. We’ve raised $125 million from industry-leading investors including a16z crypto, Paradigm, Variant, Consensys, and a_capital, and we’re growing quickly.Role focus: We're looking for an experienced full stack engineer with a passion for the devops side of the engineering process. You'll want to dig into all areas of our codebase, to develop an understanding of how each part builds, fits together, and deploys. Key Responsibilities

Your responsibilities (shared amongst other similarly skilled engineers): Our internal developer experience. Where you see pain, you alleviate it. Our build times. Evolving code across the stack to improve compile and test times. Our CI system. The product behind the product. You'll help maintain it, and keep engineers engineering. Our deployments. You'll make sure that what we build can easily and reliably be deployed, and that it stays running. Our metrics. You'll help ensure we're getting useful data and benchmarks from our code, and use appropriate tools to visualise. To be effective in the role: You'll need a deep understanding of the tools that we use and how best to use them. You'll have the ability to identify areas of improvement, whilst prioritising simplicity and ease of maintenance for all engineers. You'll have an attention to detail, noticing inefficiencies and inconsistencies and digging in to resolve them. You'll pro-actively speak to team leads, identifying areas of weakness within their devops flow, and working with them to improve. You can take direction when needed, but likewise can self start when given the freedom. The current responsibilities are currently handled ad-hoc as needed by engineers. While there will continue to be support, we need someone with bandwidth to continuously focus on and improve these areas.

Qualifications:

Bachelor's degree in related technical field  3+ years solid engineering experience in web3 / blockchain Strong knowledge of Merkle Trees and how they work C++ and cmake. Rust. TypeScript and yarn. WASM and web development. Docker. Deep experience with linux and linux tooling. Cloud compute (aws/gcp) and orchestration like k8s. You'll up-skill in more niche parts of our stack such as Noir, our in-house developed zk-circuit compiler.

Nice-to-have experience:

Located in the UK or can operate in Greenwich Mean Time Zone Familiarity with current Ethereum tooling (for inspiration) Passion for the web3 space Familiarity with other private blockchain technologies like ZCash Knowledge of peer-to-peer decentralized networking tools A love for Merkle Trees

What we offer:

A highly competitive compensation package (including equity) Flexible and remote work environment 25 days holiday + bank holidays annually An opportunity to work at the cutting edge of blockchain with a world class cryptography and engineering team Aztec Labs is an equal opportunity employer and we value creativity, diversity, and intellectual curiosity. If you're passionate about leveraging your creative talents to make a real-world impact, and if you want to be part of a team that's shaping the future of digital privacy, then we would love to hear from you.

Apply Now:

Apply Now:

The Role:

The Nimbus team is looking for a Senior Engineer who will take ownership of Developer Experience. Someone who enjoys researching new technologies and building products for the decentralized web while being amid Open Source Libraries and P2P networks. This means writing cool products in Nim for Ethereum and Web3, crafting documentation and SDKs, plus representing the team at developer conferences and online events.

Nimbus is a research team that focuses on developing an Ethereum client and library. We believe that the largest deployment of Ethereum will potentially be on embedded systems and Nimbus is designed to perform well on embedded, mobile and generally resource-restricted devices.

Building the stack from the ground up, we’re translating the latest Ethereum research into practical, performant and reusable libraries to provide fertile exploration ground for further R&D. Check our latest update!

Responsibilities:

• Lead the effort to create a powerful developer experience around Nimbus, both as a library and as an RPC backend.
• Respond to community needs & requests, transforming them into concrete specifications and products or features.
• Be the face of our developer community, represent Nimbus at conferences and online events.
• Create powerful documentation and SDKs.
• Support evangelizing Nimbus as the Ethereum consensus client for mobile devices and embedded systems within the Open Source community.

You will ideally have:

[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!]

• Interest in open data, blockchain and decentralization.
• 5+ years of professional experience in software engineering.
• Experience with Rust or C/C++, and curiosity about dynamic languages.
• Background in (embedded) systems programming, p2p technologies.
• Familiarity with modern cryptography.
• Experience with APIs, SDKs and crafting documentation.

Bonus points:

• Experience working for an open-source organization.
• Ideally, you’ll have some Nim/Rust/C++ related GitHub projects to make it easier for us to evaluate your skills.
• Basic knowledge of the lexing, parsing and semantic checking passes applicable to a compiler.
• Experience with Nim.

Hiring process:

• Interview with our People Ops team.
• Technical Interview with team members from the Nimbus team.
• Technical Interview with the Nimbus Lead.

[The steps may change along the way if we see it makes sense to adapt the interview stages, so please consider the above as a guideline. We’re looking for you to join our team as soon as possible].

Compensation:

We are happy to pay in either 100% fiat or any mix of fiat and/or crypto.

• Experience Required: Minimum 5 years in software development
• English Level: Upper-Intermediate or higher

About the Project:

Metaplex is a cutting-edge NFT marketplace platform on the Solana blockchain. This role requires an experienced Senior Rust (Go will be +) Developer to drive backend development, contribute to innovation, and ensure the platform’s scalability and performance.

Key Responsibilities:

Team Collaboration:

• Collaborate with the backend development team, ensuring high standards in code quality, product scalability, and timely delivery.
• Foster a collaborative environment and mentor team members in best practices.

Code Development & Review:

• Write efficient, clean Rust code, and conduct thorough code reviews to uphold development standards.

Communication:

• Maintain effective communication with American partners, articulating ideas and technical solutions clearly and persuasively.

Product Architecture:

• Architect scalable, high-performance, and secure systems from the ground up.
• Design and optimize backend architecture for performance, reliability, and resilience in high-traffic environments.
• Apply advanced knowledge in software architecture patterns, microservices, and RESTful API design.

Testing & Quality Assurance:

• Take ownership of the product testing process, implementing testing strategies and maintaining rigorous QA standards.

DevOps & Infrastructure:

• Oversee deployment, infrastructure, and CI/CD pipeline to ensure a smooth development process.
• Strong understanding of networking concepts, including load balancers and routers, with experience handling high-load applications (>1000 RPS) and tuning performance for scalability.

Preferred Qualifications:

Database Expertise:

• Proficiency in database management, schema design, and optimization for large-scale data.
• Experience with RocksDB and some PostgreSQL, rather than traditional big data stacks.
• Knowledge of data synchronization protocols over gRPC.

Knowledge of Go:

Familiarity with Go programming is valued, particularly for cross-functional collaboration and product enhancement.

Blockchain Knowledge:

• Previous experience working with blockchain projects, especially on Solana, is highly preferred.

Advanced Technical Skills:

• Strong grasp of data structures, algorithms, and asynchronous architectures.
• Experience designing solutions for distributed systems in high-growth startups, handling scaling challenges associated with evolving business needs.

Skills and Experience:

• Technical Expertise: At least 5 years in software development, with deep knowledge of Rust (Go will be+).
• Product Ownership: Demonstrated experience in taking ownership of product development, testing, and DevOps integration.
• Analytical and Problem-Solving Skills: Strong decision-making abilities with the capacity to defend technical choices effectively.
• Team Collaboration: Excellent interpersonal skills for working within an international team and collaborating across time zones.
• Passion for Blockchain: A genuine interest in blockchain technology and a drive to remain at the forefront of industry developments.

Come join the team as a Staff Backend Engineer at Symphony! You will be working alongside the founding team and play a crucial role in reshaping the future of DeFi.

As a Staff Backend Engineer, you will be instrumental in developing and deploying innovative solutions for secure and efficient systems. You will collaborate across teams to ensure seamless integration within our broader ecosystem and partners, and continuously drive innovation by staying at the forefront of blockchain technologies.

Qualifications

• 7+ years of backend experience
• Strong backend development with Node.js, JavaScript, DeFi systems, backend architectures, database management, and experience integrating smart contracts
• Proficiency in Javascript and Solidity
• Rust and/or AI/LLMs experience is a plus
• Full KYC process for all hires
• Competitive salary with equity
• Globally remote (Americas timezones preferred)
• A passion for shaping the future of finance

The total compensation package (base salary and equity) for this role ranges from $120K -$350K+, with additional company benefits. The pay range provided reflects individual compensation based on factors such as work location, assessed job-related skills, experience, and relevant education or training.

Join the Symphony team!

Symphony is the first agnostic execution network, designed to unify DeFi’s fragmented landscape by enabling near-instant cross-chain transactions. Symphony’s infrastructure reduces cross-chain execution time to under 3 seconds—45x faster than LayerZero and Axelar—creating a new standard for interoperability.

This is developed to address and solve liquidity fragmentation and the complex user experiences across chains, providing a seamless, unified solution for DeFi users and developers alike.Being the world’s first vertical agnostic infrastructure stack, Symphony enables anyone to execute anything across all chains and protocols without being burdened by bridges, multiple wallets, gas fees, etc. Our team is composed of former Consensys, MetaMask, Kraken, and Axelar veterans, and we’re backed by top investors.

We are looking for an innovative, passionate, and productive person who is excited about building the future of accessible crypto applications, feels comfortable challenging opinions, and most importantly who shares with us the same desire to make DeFi useable again.

• Opportunity. We believe DeFi should be fast AND accessible. You’ll do high-impact work to enhance scalability, shaping the future of crypto
• Flexibility. We are a remote-first company, and collaborate synchronously and asynchronously, via daily all-hands meetings
• Culture. As an early member of our team, you’ll have a unique opportunity to help shape our culture. We value intellectual honesty, bias towards action, and believe every member plays a key role in achieving our ambitious goals
• Compensation. We offer a competitive salary + equity + benefits package

Learn more at: symphony.io.

Symphony Labs is an equal opportunity employer. We do not discriminate on the basis of race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, age, disability, genetic information, veteran status, or any other status protected by applicable laws or regulations. All employment decisions are based on qualifications, merit, and business need.

Position Overview:

As a Senior Smart Contract Engineer, you will be instrumental in developing innovative solutions that blend public goods funding mechanisms with integrated social and financial functionalities, creating a new paradigm for on-chain social interaction. You will be responsible for developing and deploying secure, gas-efficient smart contracts, collaborating across teams to ensure seamless integration with our broader ecosystem, and continuously driving innovation by staying at the forefront of blockchain technologies.

Responsibilities:

• Smart Contract Development: Implement smart contracts with a strong emphasis on security, simplicity, gas efficiency, and ease of use. Ensure that contracts are well-documented, modular, and maintainable.
• Protocol Upgrades: Participate in design and development of the protocol and its future upgrades from concept through to deployment, ensuring robust, scalable, and secure architecture.
• Research & Innovation: Stay up-to-date with the latest blockchain technologies and trends. Test and integrate new tools and frameworks as appropriate to enhance the security and functionality of our products.
• Cross-functional Collaboration: Work closely with other teams, including backend engineers, fronend engineers, product managers, and designers, to ensure seamless integration of smart contracts with APIs and frontend components.
• Security Best Practices: Implement and advocate for secure coding practices, staying vigilant against the latest vulnerabilities and ensuring our systems are resilient to attacks.
• Code Review: Participate in and lead code reviews, providing in-depth feedback and guidance to help peers grow their technical skills. Champion best practices within the team and broader community.
• Peripheral Mechanisms: Design and implement peripheral mechanisms and backend components to support our dApps and ecosystem.
• Project Shaping: Participate in discussions from the initial product ideas to launch, assessing feasibility and identifying potential challenges in scaling and security.
• Stakeholder Engagement: Collaborate with internal and external auditing teams, providing technical insights and ensuring all smart contract code meets stringent security standards.

Skills & Requirements:

• Experience: 5+ years of software engineering experience, with at least 2 years focused on developing and deploying secure, production-ready smart contracts in Solidity.
• Technical Mastery: Proficient in Solidity, with strong knowledge of EVM, blockchain data structures, and Ethereum’s consensus mechanism. Experience with TypeScript, Python is highly desirable.
• Cross-disciplinary Expertise: Strong understanding of on-chain and off-chain interactions, including API integration with smart contracts and backend systems.
• Security Focus: Deep understanding of on-chain security best practices and experience implementing secure coding practices, particularly in financial systems.
• Problem Solving: Strong logical thinking and problem-solving skills, with the ability to find elegant solutions to complex challenges in the DeFi space.
• Communication & Collaboration: Excellent written and verbal communication skills, with a proven ability to work effectively in cross-functional teams.
• Passion for Blockchain: A deep interest in regenerative finance, public goods funding and new use cases for DeFi.
• Growth Mindset: A desire to learn, grow, and mentor others within a highly collaborative and open-source environment.

Preferred Skills:

• Blockchain Expertise: Familiarity with running full nodes, testnets, and understanding of blockchain development cycles.
• Education: Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
• Additional Languages: Experience with other programming languages like Rust, C++, or familiarity with scripting in UNIX-based OS.
• Agile Methodologies: Understanding of Agile project management and modern development practices, including the use of CI/CD pipelines, Docker, and PIP.
• dApps Development: Experience with developing decentralized applications (dApps) and integrating with AWS services.

Description

Arrakis aims to disrupt the current market-making industry by providing the infrastructure to enable every project in the world that wants to launch a token to benefit from non-custodial, trust-less, and automated on-chain market-making strategies. We believe in a world where every organisation, from a small startup to a large enterprise, will be tokenized and traded on-chain. For this world, Arrakis is building the tools to create the necessary liquidity to enable this token economy to rival and out-compete the traditional financial industry.

As one of our Backend Developers within market making, you will be further contributing to the cutting edge development of Arrakis, working with a very experienced and high performing team to create the future of DeFi.

What you will achieve:

• Creation of new on-chain trading strategies
• Monitoring, tuning and improving market making performance across chains.
• Develop backend infrastructure for our market making operations
• Develop, refine and implement strategies and infrastructure for algorithmic liquidity provisioning for the major tokens of the industry

Requirements

• Strong experience building and developing high frequency, ultra-low-latency applications
• 3+ years of experience with C++ / Rust
• Good understanding of the financial market, order books, market making, arbitrage and/or markets microstructure
• A bachelor’s degree in computer science, maths, physics, or similar field
• Experience working with SQL databases
• Experience with Google Cloud / AWS
• Experience working with containers such as Docker / Kubernetes
• Awareness of security principles for critical finance applications, both on and off-chain.

Nice to have:

• Previous automated market making experience and experience with Uniswap
• Experience building your own trading bot
• CEX / DEX arbitrage experience
• Experience dealing with low level networking advantageous (TCP/IP, UDP, networking in the cloud, packet decoding, latency)
• Passionate about contributing / researching cutting edge DeFi technologies.
• Ability to know/understand smart contract code

Benefits

Join an amazing team of industry veterans focused on revolutionising web3 market making, collaborating with major projects like MakerDAO, Uniswap, Aave, Lido, operating fully remotely with members spanning Zug, Paris, New York, Berlin, London supported by world-class investors including Uniswap Labs, Robot Ventures, Accel, Longhash, and more.

What we offer:

• Competitive salary + performance-based compensation
• SPICE token package
• Work remotely or with the Founders in person, in Switzerland
• Chance to travel the world to go to exciting events, connecting with key industry players
• Join amazing in-person offsites all over the world

About Outlier Ventures

Outlier Ventures is the leading Web3 accelerator in the world. Founded in 2014, it works with startups at various stages of their lifecycle from pre-seed/seed (via Base Camp) to later stage about to launch or live token networks that specialize in a new data economy, infrastructure, DeFi, and bringing together a network of 1,000+ of the world’s leading Web3 founders, protocols, VCs to mentor and invest in startups.

At Outlier Ventures, we value curiosity of mind and an agile, entrepreneurial mindset.

We value all people, regardless of their gender, age, disabilities, race, ethnic origin, pregnancy or maternity status, religious beliefs, political beliefs, marital status or sexual orientation. We encourage applicants from all backgrounds and are committed to promoting equality at every opportunity, both as partners, providers of services, and employers.

About The Role

Outlier Ventures is seeking a Head of Engineering to help source the best Web3 technologies and AI to use them with portfolio companies and within OV itself.

The Head of Engineering plays a strategic role in developing the technical direction starting from the CTO guidelines. You help portfolio companies and Outlier Ventures itself to find the best trade-offs by mixing Web2 tech with Web3 and AI tech stack in the most seamless way.

The Web3 ecosystem landscape is constantly changing, and because of that, looking, selecting, and staying updated with Web3 technologies plays a primary role. It offers an excellent opportunity to use your experience and practical approach to filter the noise from the signal.

You work with the rest of the Product & Engineering team to deliver first-class product and engineering advisory to the co-founders, CTOs, and engineers of the portfolio companies to bring new paradigms to life as they build viable businesses. We are here to ensure they can deploy the best, most scalable, and secure architectures possible.

Having strong communication and interpersonal skills is crucial to fostering collaboration between all the internal and external stakeholders (e.g. Startups, Investment Team, Accelerator Team, etc. )

Plus, because we are an accelerator, you will be involved in the admission process of startups. This is a fantastic opportunity to be part of the selection process that shapes the subsequent batches of founders. Practically, you will run solo or with other colleagues through tech due-diligence sessions where you learn and challenge applicants’ architectures, approaches, and business models.

We are looking for technical builders who love the Web3 movement, startups, and the growing AI industry.

The role is fully remote; if you are based in London, you are more than welcome to work in our London-based office.

Successful candidates will need to work London office hours (-+3 hours Timezone).

Your Key Responsibilities:

• In advisory capacity, run workshops about product roadmap best-practice and architectures in line with the startup’s long-term business outcomes.
• Help OV to build and execute on viable product roadmaps for leveraging technology, particularly AI, in its daily activity and create tools to empower the in house employees and expert teams.
• Being the line manager of the Product Engineers in the team and contribute to the growth of the Engineering practice by hiring, coaching, and mentoring.
• In advisory capacity, with the startups, identify technical blockers and come back with actionable alternatives considering the impact from an engineering and business perspective.
• Run architecture and code review sessions.

We are looking for someone who:

• Has a deep exposure to Web3 technologies and has built something hands-on (Solidity, Hardhat, EtherJs, etc.).
• Has been exposed to the hectic startup life either as a founder/employee/investor.
• Has 5 years experience in blockchain engineering roles.
• Knows distributed system architecture (e.g., Microservices, CQRS, Saga, Sharding, etc.).
• Is fluent in one or more general-purpose languages (e.g., TypeScript, Python, Go, Rust, Java).
• Is familiar with Domain Modelling, DevOps principles, containers, Testing, Continuous Integration, and Deploy.
• Understands the markers of a quality codebase (design patterns, testing, documentation, commit activity, CI/CD).
• Has strong interpersonal skills: ability to advise on technical direction and explain technical concepts to non-technical audiences.

Nice to have:

• Fundamentals of Solidity.
• Viem and/or Ether.js and/or Web3.js.
• React or any modern web framework.
• Software security training, particularly smart contract security.
• Knowledge of Machine learning and exposure to new LLM paradigms.

What we offer:

• The package is subject to relevant experience.
• Private medical insurance.
• Discretionary bonus scheme.
• 25 days of holiday per year (plus bank holidays).
• Cycle-to-work scheme.

Summary

We are looking for a talented Prototype Engineer, to join our innovation team and help shape the future of IOG products and technology.

As a prototype engineer, you will be looking at developing prototype, model, simulators, at the edge between engineering and research. You will work closely with various stakeholders (architect, cryptographer, researcher, engineer) to help and shape innovation projects.

Duties

• Design & develop systems from just ideas on paper.
• Present options and solutions at team and project meetings
• Ongoing communication reflecting your project status on a periodic basis

Key Competencies

• Proficiency in various programming languages and functional paradigms
• Knowledge of the rust programming language
• Deep understanding of computer science fundamentals, including algorithms, data structures, and concurrency
• Knowledge of blockchain technology and its core concepts, such as consensus mechanisms, cryptography, and smart contracts
• Self motivating and self learner

Experience

• At least 3 years of experience in software development
• Strong understanding of computer science fundamentals, including algorithms and data structures
• Experience with blockchain technology is necessary
• Experience in remote work and collaboration across different time zones.
• Experience in prototyping and developing ideas

• Remote work
• Laptop reimbursement
• New starter package to buy hardware essentials (headphones, monitor, etc)
• Learning & Development opportunities
• Competitive PTO

At IOG, 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:

Summary

We are looking for a talented Senior Prototype Engineer, to join our innovation team and help shape the future of IOG products and technology.

As a Senior prototype engineer, you will be looking at developing prototype, model, simulators, at the edge between engineering and research. You will work closely with various stakeholders (architect, cryptographer, researcher, engineer) to help and shape innovation projects.

Duties

• Design & develop systems from just ideas on paper.
• Present options and solutions at team and project meetings
• Ongoing communication reflecting your project status on a periodic basis

Key Competencies

• Proficiency in various programming languages and functional paradigms
• Knowledge of the rust programming language
• Deep understanding of computer science fundamentals, including algorithms, data structures, and concurrency
• Knowledge of blockchain technology and its core concepts, such as consensus mechanisms, cryptography, and smart contracts
• Self motivating and self learner

Experience

• At least 3 years of experience in software development
• Strong understanding of computer science fundamentals, including algorithms and data structures
• Experience with blockchain technology is necessary
• Experience in remote work and collaboration across different time zones.
• Experience in prototyping and developing ideas

• Remote work
• Laptop reimbursement
• New starter package to buy hardware essentials (headphones, monitor, etc)
• Learning & Development opportunities
• Competitive PTO

At IOG, 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:

Who are we?

IOHK, is a technology company focused on Blockchain research and development. We are renowned for our scientific approach to blockchain development, emphasizing peer-reviewed research and formal methods to ensure security, scalability, and sustainability. Our projects include decentralized finance (DeFi), governance, and identity management, aiming to advance the capabilities and adoption of blockchain technology globally.

We invest in the unknown, applying our curiosity and desire for positive change to everything we do. By fueling creativity, innovation, and progress within our teams, our products and services are designed for people to be fearless, to be changemakers.

About Midnight:

IOG's Midnight Tribe is a business technology provider and core contributor to the Midnight Network, a blockchain platform for developing decentralized applications that safeguard personal and commercial data. The Midnight Network is the first blockchain to offer programmable data isolation by leveraging zero-knowledge (ZK) proofs to enable selective disclosure of what information is visible on-chain and is designed to help developers implement necessary business policies, such as meeting regulatory requirements.

What the role involves:

As a Senior SDET, you will play a pivotal role in ensuring the reliability, security, and performance of our cutting-edge blockchain solutions. You will collaborate closely with the Head of QA to design, implement, and execute robust test strategies, contributing to the success of our blockchain products.

Most importantly, you will be a person who shows strong initiative and has a proactive approach to Quality Assurance across the SDLC.

• Help Develop and execute a comprehensive testing strategy for our blockchain solutions, encompassing functional, performance, security, and integration testing.
• Review Team Test Plans and oversee the general QA Strategy for each of the scrum teams/squads
• Lead the testing of new Initiatives, and guide other team members in how to approach, execute and report on new areas of testing
• Implement and maintain continuous integration (CI) and continuous deployment (CD) pipelines for automated testing.
• Develop and maintain automated test scripts using relevant testing frameworks and tools.
• Conduct manual testing when necessary, including exploratory testing, regression testing, and ad-hoc testing.
• Identify, report, and track defects to resolution.
• Perform root cause analysis of defects and work with development teams to implement timely solutions.
• Set up and maintain test environments, including test data and test configurations.
• Plan and conduct performance testing to assess scalability, reliability, and responsiveness of our blockchain solutions.
• Maintain accurate and up-to-date test documentation, including test plans, test cases, and test reports.
• Contribute to the development and enhancement of test automation frameworks.
• Collaborate closely with cross-functional teams, including software developers and product managers, to ensure the testability, reliability, and scalability of our products.

Who you are:

• Bachelor's degree in computer science, software engineering, or a related field (advanced degrees are a plus).
• Proven experience as an SDET or in a similar quality assurance/testing role.
• Experience of agile methodologies.
• Experience with modern testing frameworks.
• Experience in test automation for front-end/back-end and end-to-end systems.
• Experience working with Git, SDLC, and various CI/CD tools (e.g., GitHub Actions).
• Experience as QA Lead desired but not essential
• Experience in performance and security testing is a plus.
• Experience with API testing.
• Experience in distributed systems and computer networks would be beneficial.
• Expertise in libraries, tools, and procedures for executing and automating various types of tests (e.g., unit tests, property tests, model-based tests, integration tests, end-to-end tests, UI tests, performance tests, stress tests, fault tolerance tests).
• Experience with TypeScript, Javascript, Rust, or other programming languages is advantageous.
• Familiarity with Virtualization using Docker.
• Proficiency with Linux.
• Proficiency in automation skills, including the ability to write automated test scripts and establish and maintain CI/CD pipelines.
• Strong understanding of blockchain technology, including consensus algorithms and smart contracts (a plus).
• Sound knowledge of software development life cycle (SDLC) methodologies, including Agile and DevOps practices.

Are you an IOGer?

Do you find yourself questioning the status quo? Do you tinker with ideas and long to turn those ideas into solutions? Are you able to spark thoughtful debates, bringing out the inquisitiveness in others? Does the promise of continuously growing excite you? Then get ready to reimagine everything you thought wasn’t possible because that’s what it means to be an IOGer - we don’t set limits, we break them.

• Remote work
• Laptop reimbursement
• New starter package to buy hardware essentials (headphones, monitor, etc)
• Learning & Development opportunities
• Competitive PTO

At IOG, 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:

$120,000 - $150,000 + Benefits

You’re an engineer who has a passion for blockchain technology, an eye for security, and a drive to build systems that change the game, not just another blockchain project.

You’ll be building blockchain infrastructure for decentralized networks like Wi-Fi, 5G, and IoT.

You’ll focus on post-quantum encrypted blockchain solutions ensuring scalability, resilience, and security.

You’re the one who will create a faster, more reliable, and secure foundation for the decentralized future.

Your contribution will set new standards for blockchain-powered connectivity, ones that are safer, faster and more scalable.

To be considered you’ll need to be a seasoned engineer with the last few years spent in a similar role using Go, Rust or Python.

You’ll also have built smart contracts using Solidity.

Finally, you’ll also need to overlap for at least 4 hours with EST time zone to be considered.

All applicants will get a response.

As a Contract-to-Hire Mobile Developer, you’ll work closely with our product and engineering teams to create mobile experiences that align with our mission. You will be responsible for developing and maintaining a React Native application with strong TypeScript integration, working on both iOS and Android components. Experience with cryptocurrency wallets and knowledge of Rust are beneficial for this role, as we continue to explore the intersection of mobile and blockchain technology.

Key Responsibilities:

• Develop, test, and maintain features for our React Native mobile application, ensuring high performance and responsiveness.
• Implement state management solutions and UI components using popular libraries (e.g., Tailwind, >
• Collaborate with cross-functional teams to define, design, and ship new features.
• Work closely with the backend team to integrate API services and manage data flows between the application and server.
• (Nice to have) Collaborate on cryptocurrency wallet integration within the app, including secure transaction handling and wallet management.
• (Nice to have) Work with Rust binaries via FFI for integrating backend functionality into the mobile application.

Required Skills & Qualifications:

• 3+ years of experience in React Native development with strong TypeScript skills.
• Proficiency in React Native core components for both iOS and Android.
• Strong understanding of state management and experience with popular UI libraries, such as Tailwind and >.
• Excellent debugging, optimization, and problem-solving skills.

Nice-to-Have Skills:

• Experience with cryptocurrency wallets or working knowledge of secure transaction handling.
• Knowledge of Rust programming and experience with FFI (Foreign Function Interface) for integrating Rust binaries with React Native applications.

Contract Details:

• Duration: 3-6 month contract with the opportunity to join the team full-time.

How to Apply:

If you're a proactive mobile developer with a strong foundation in React Native and a passion for privacy-focused technology, we’d love to hear from you. Please submit your resume and portfolio showcasing relevant projects.

Apply Now:

Truelogic is a leading provider of nearshore staff augmentation services, located in New York. Our team of 500 tech talents is driving digital disruption from Latin America to the top projects in U.S. companies. Truelogic has been helping companies of all sizes to achieve their digital transformation goals.

Would you like to make innovation happen? Have you ever dreamed of building Products that impact millions of users? Nice! Then we have a seat for you on our team!

What are you going to do?

You will have the opportunity to work in a forward-thinking and growth-oriented environment, at a company that provides programmatic access to the trust layer of Ethereum to make components reusable, allowing builders to rely on Ethereum for security while saving time and resources typically allocated to bootstrapping their token.

Occupy a unique position in the market, as a Full Stack Engineer you will leverage your skills and knowledge of distributed systems to create technologies that power the world’s most innovative crypto projects. If you’re looking to collaborate with a talented team of engineers, driving innovation and inventing groundbreaking technologies, we look forward to hearing from you! 

• Experience with Blockchain, crypto, and DeFi dApps (coins, stablecoins, tokens, digital wallets).

• Design and implementation principles and technologies for public cloud, including AWS, GCP, or Azure.

• Full stack experience is required to give maintenance to the front-end.

• Blockchain and smart contract expertise, particularly with Solidity.

• Experience with unit testing to ensure code quality and reliability.

What will help you succeed

• 8+ years working on software development professionally.

• Experience with Blockchain, crypto, DeFi dApps (coins, stablecoins, tokens, digital wallets), and smart contract expertise, particularly with Solidity.

• Advanced with Golang or Rust for server-side programming.

• Some exposure to React and JavaScript frameworks, with experience in Redux for state management.

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About Bjak

Bjak is focused on providing access to affordable and sustainable financial services for people in ASEAN. Headquartered in Malaysia, Bjak is the largest insurance portal in Southeast Asia. Our main portal, Bjak.com, helps millions find the insurance policy with the best value and highest coverage for them. Using technology, our team's core strengths are in problem solving and navigating the most complex regulations and environments, creating some of the most innovative products in the world. Our investments in technology such as Custom API, blockchain, trading systems and data science is to enable easy access to financial services that were previously inaccessible or difficult to understand.

Job Overview

We are looking for an experienced Smart Contract Developer to join our team, working on a cutting-edge stablecoin project. You will play a key role in designing, developing, and maintaining blockchain-based solutions that ensure stability, security, and scalability for our stablecoin ecosystem. This is an exciting opportunity to work at the forefront of blockchain and financial technology, contributing to the future of digital currencies.

Key Responsibilities

• Design, develop, and deploy smart contracts and decentralized applications (dApps) to power our stablecoin infrastructure.
• Build and maintain secure, efficient, and scalable blockchain solutions focused on stablecoin functionality.
• Implement and manage smart contracts that ensure the stablecoin's price stability, including algorithms for collateral management and reserve protocols.
• Collaborate with the product, finance, and compliance teams to integrate the stablecoin into financial ecosystems and payment networks.
• Conduct thorough testing and audits of smart contracts to ensure security and compliance.
• Develop tools and APIs to integrate the stablecoin with various decentralized and centralized platforms.
• Research and implement emerging technologies and protocols in the stablecoin and DeFi space.
• Optimize blockchain transaction speeds, minimize gas fees, and improve the user experience.
• Monitor and enhance the security of the stablecoin network, including risk mitigation and incident response.
• Participate in code reviews, contribute to architectural decisions, and mentor junior developers.

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.

• Extensive experience as a Software Engineer with a strong focus on blockchain technologies.
• Deep expertise in blockchain platforms such as Ethereum, Binance Smart Chain, or Layer 2 solutions.
• Proficiency in programming languages such as Solidity or Rust.
• Hands-on experience with Cairo for Starknet, Ton, or similar platforms.
• Proven track record in smart contract development, testing, and deployment, particularly for stablecoin or DeFi projects.
• In-depth knowledge of consensus algorithms, cryptography, and decentralized finance (DeFi) principles.
• Experience with blockchain scaling techniques, including Layer 2 solutions and sidechains.
• Strong understanding of economic models behind stablecoins, including both collateralized and algorithmic designs.
• Familiarity with security best practices in smart contract development and blockchain systems.
• Practical experience with version control systems (e.g., Git) and CI/CD tools.

• Remote working
• You will be working in a fast-growing startup that promotes flexible and open culture
• Fast moving, challenging and unique business problems
• Attractive remuneration and performance incentives
• Strong learning and development plans for your career growth
• Great career development opportunities in a growing company
• International work environment and flat organization

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