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Latest Web3 Solidity Jobs:
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Featured
- Design and implement core smart contracts for Seamless DeFi protocol using Solidity
- Develop and maintain data, backend and front end services to support the protocol's functionality
- Collaborate with other core contributors and community members to define and prioritize protocol features and improvements
- Write comprehensive documentation for smart contracts, backend services, data queries and front end integrations
- Help Seamless community members create onchain payloads for governance proposals the community puts forward
- Conduct thorough testing and auditing to ensure the security and reliability of the protocol
- Stay up-to-date with the latest trends and best practices in DeFi and blockchain technology
- Work closely with other Seamless community members on Discord, Discourse, and Github
- Strong proficiency in Solidity and experience developing Ethereum smart contracts
- Deep understanding of DeFi concepts, protocols, and ecosystem
- Familiarity with foundational DeFi protocols such as Uniswap, Compound, Aave, etc.
- Familiarity with DeFi development tools such as Foundry and OpenZeppelin
- Experience with backend development using Node.js, Go, or similar technologies
- Experience with front end development using React.js
- Experience with SQL queries. Bonus for experience with Dune analytics or similar blockchain data tooling
- Knowledge of cryptographic principles and security best practices for smart contract development
- Excellent problem-solving skills and ability to think critically about complex systems
- Strong communication skills and ability to collaborate effectively with a distributed team
- Passion for DeFi and commitment to building transparent, reliable, and user-friendly solutions
- Experience working will small teams in a startup like environment
Seamless Protocol is hiring a Core Developer 
About Seamless
Seamless Protocol is a decentralized finance (DeFi) protocol focused on creating transparent and reliable DeFi experiences for users while maintaining core principles of decentralization and composability. Seamless Protocol is completely community governed onchain through the SEAM token. It operates as a lending and borrowing protocol on the Base network, and has pioneered innovative liquidity supplier and borrowing solutions to enhance capital efficiency namely, Integrated Liquidity Markets (ILMs). Over 200,000 users have already chosen Seamless to lend, borrow, and multiply their DeFi assets.
Role Summary
Seamless Protocol Core Developers are dedicated to serving the Seamless community and DAO. As part of a highly motivated, and versatile team, they work collaboratively across the stack, contributing their expertise wherever needed to drive the protocol's success.
These software development specialists possess a deep understanding of DeFi and extensive experience in smart contract development. They have a strong foundation in computer science principles and stay up-to-date with the latest advancements in blockchain technology.
With a passion for building cutting-edge DeFi solutions, core contributors at Seamless Protocol are committed to creating secure, efficient, and user-friendly products that align with the protocol's mission of providing transparent and reliable DeFi experiences. They take a proactive approach to problem-solving, anticipating potential challenges and developing innovative solutions to ensure the protocol's smooth operation and continued growth.
As key contributors of the Seamless Protocol team, they work closely with other engineers, product managers, and designers to define, prioritize, and implement protocol features and improvements. They are effective communicators and collaborators, able to clearly articulate technical concepts and contribute to strategic decision-making.
By combining their technical expertise with a strong work ethic and a commitment to the Seamless community, core developers play a vital role in shaping the future of DeFi and driving the protocol's success in the rapidly evolving blockchain ecosystem.
Responsibilities
Qualifications
Apply now
Please let Seamless Protocol know you found this position on CryptoJobster.com as a way to support us so we can keep providing you with quality crypto jobs.
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- Build and maintain a Go-based decentralized exchange.
- Manage DEX-Ethereum deposits, which require an understanding of Solidity.
- Understand a complex peer-to-peer cryptographic system.
- Implement secure on-chain verification processes and manage efficient off-chain computations.
- Design, build, and maintain secure, efficient, and scalable blockchain infrastructure.
- Strong proficiency in GoLang and Solidity.
- Knowledge of cryptographic primitives.
- Extensive experience with blockchain technologies, smart contract development, and security.
- Understanding of Zero-Knowledge Proofs, Multi-Party Computations, commitment, and signature schemes.
- Competitive salary
- Generous equity
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Staff Backend Engineer @ Symphony Labs
- 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
- 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
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Blockchain Engineer @ ZetaChain
- Thriving Ecosystem: 1000 dApps developed between testnet and mainnet, showcasing diverse innovation and utilization.
- Engagement: With over a million community members, ZetaChain fosters a dynamic environment for engagement, and collaboration.
- Live on Mainnet: partnered with all major exchanges.
- Activity: Our network has over 550k unique addresses.
- Well Funded: Raised over $27M!
- Cutting-Edge Technology: Dive deep into the latest advancements in blockchain technology with ZetaChain’s innovative protocol.
- Impactful Role: Play a pivotal role in shaping the security and efficiency of a leading blockchain protocol.
- Continuous Learning: Stay updated with the rapidly evolving blockchain landscape, ensuring you’re always at the forefront of the industry.
- Actively contribute to the development of the ZetaChain protocol, focusing on high-quality code and innovative solutions.
- Employ best practices in software development to ensure the protocol is not only secure but also optimized for performance and scalability.
- Lead and participate in research initiatives to explore new features, optimizations, and technologies that could benefit ZetaChain.
- Experienced Blockchain Developer:
- Individuals with substantial experience in blockchain development, capable of understanding and building complex blockchain architectures.
- Innovative Software Engineering Background:
- Developers who have a proven track record in software engineering, showing expertise in languages like Go, Rust, or Solidity.
- Contributor to Open Source and Blockchain Communities:
- Individuals actively involved in the blockchain community, contributing to open-source projects and staying updated with the latest trends and advancements in blockchain technology.
- Our tech stack
- Protocol: Go (Cosmos SDK, go-ethereum, btcsuite)
- Smart contracts: Solidity, Rust (Solana), FunC (TON)
- Location
- Remote or San Francisco
- Experience
- 4+ years of software development experience
- 2+ years of blockchain development experience
- Must Have: Hands-on blockchain development experience
- Additional Responsibilities
- Participate in on-call rotation (Once every 6 weeks)
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Head of Engineering @ Outlier Ventures
- 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.
- 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.
- 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.
- 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.
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Blockchain Engineer @ Zygo People
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Senior Solidity Engineer @ BOB
- Architect and build secure smart contracts for the BOB core, research existing and cutting-edge technologies to develop new protocols (sometimes without a formal specification)
- Extend and optimize the BOB SDK including the BTC light client, account abstraction, meta transactions, and OP Stack integrations
- Ensure the security of smart contracts by applying standardized libraries, testing, verification, and supporting audits
- Engage in discussions with the core team on the on-chain strategy and feature roadmap
- Share knowledge with other team members on smart contract engineering best practices
- Drive the smart contract part of the BOB SDK by creating opportunities for other developers to contribute to the stack
- Two years or more of hands-on Solidity development experience
- One year of experience deploying smart contracts on Ethereum mainnet (or other EVM mainnets) for high-impact projects with measurable Total Value Locked (TVL)
- Deep understanding of smart contract best practices, with experience designing novel protocol functionality and architecting research-driven solutions
- Interest in Bitcoin and new Bitcoin technologies including taproot, ordinals, brc20 and BitVM
- Great communication skills in a remote setting
- Experience with Bitcoin script
- Experience with Rust
- Contributions to open-source projects
- Research-oriented team
- Solve novel problems
- Stock options
- Remote working
- 30-day vacation
- Allowance for a co-working space
- Yearly retreat
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- Deploying the Sturdy protocol on new EVM chains
- Integrating assets into the Sturdy protocol
- Creating strategy vaults controlled by Sturdy’s Bittensor subnet
- Evaluating the security of and testing new features
- Several years of experience writing production-ready Solidity smart contracts
- Written contracts that held sizeable TVL and underwent multiple audits
- Experience with development frameworks like Hardhat
- Great communication skills in a remote setting
VDEX is hiring a Senior GoLang Engineer
VDEX is seeking a skilled and dedicated GoLang engineer to play an instrumental role in advancing our cutting-edge cryptography and implementing them in real applications.
Responsibilities:
Requirements:
Offering:
Position open immediately.
Apply with email
jose@virtuallabs.networkPlease let VDEX know you found this position on CryptoJobster.com as a way to support us so we can keep providing you with quality crypto jobs.
Symphony Labs is hiring a Staff Backend Engineer
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
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.
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 with email
chopin@symphony.ioPlease let Symphony Labs know you found this position on CryptoJobster.com as a way to support us so we can keep providing you with quality crypto jobs.
ZetaChain is hiring a Blockchain Engineer
As a Blockchain Engineer, you will play a crucial role in the design and implementation of our protocol. Your primary focus will be on developing robust and scalable blockchain solutions, contributing to both the core blockchain and the surrounding infrastructure. Your work will involve a deep dive into blockchain technology, particularly focusing on the Cosmos SDK, to create efficient, reliable, and high-performing software.
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:
Find out more about our ecosystem.
Find out more about our hiring culture: Dream Team Culture.
Why You Want To Work Here
Responsibilities
Who Would Be a Good Fit for This Role?
Requirements
Apply with email
jobs@zetachain.comPlease let ZetaChain know you found this position on CryptoJobster.com as a way to support us so we can keep providing you with quality crypto jobs.
Outlier Ventures is hiring a Head of Engineering
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:
We are looking for someone who:
Nice to have:
What we offer:
Apply now
Please let Outlier Ventures know you found this position on CryptoJobster.com as a way to support us so we can keep providing you with quality crypto jobs.
Zygo People is hiring a Blockchain Engineer
$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.
Apply now
Please let Zygo People know you found this position on CryptoJobster.com as a way to support us so we can keep providing you with quality crypto jobs.
BOB is hiring a Senior Solidity Engineer
We are building BOB, a new way for builders to experiment and innovate with usable decentralization while retaining Bitcoin security. We are seeking an experienced Senior Solidity Engineer to design and implement core smart contracts on BOB and the BOB SDK.
Your role will focus on enhancing the OP Stack bridge, refining consensus mechanisms, advancing governance, and extending the BOB SDK - including BOB Gateway, the BTC light client, and account abstraction optimized for Bitcoin. Working closely with the core team, you’ll contribute to building the BOB stack and play a leading role in technical discussions with both the core team and our community.
What you will do
Requirements
Nice to have
Benefits
Apply now
Please let BOB know you found this position on CryptoJobster.com as a way to support us so we can keep providing you with quality crypto jobs.
Sturdy is hiring a Smart Contract Engineer
About Sturdy
Sturdy (sturdy.finance) is a DeFi lending protocol on EVM. By using a novel two-tier architecture, Sturdy is able to isolate risk without fragmenting liquidity. Sturdy owns a Bittensor subnet, SN10, that is used to automatically optimize yields across pools. Sturdy was founded in 2022 and is backed by leading venture capital firms like Pantera and Y Combinator.
About the role
Sturdy is looking for a full-time smart contract engineer to join the team. The position is remote, but overlap with Eastern Time or Pacific Time is preferred. The engineer will be responsible for:
Requirements
The ideal candidate should have:
Apply with email
sam@sturdy.financePlease let Sturdy know you found this position on CryptoJobster.com as a way to support us so we can keep providing you with quality crypto jobs.
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