18 of 18 Permanent Blockchain Developer Jobs in London

Blockchain Developer – Web3/DeFi Innovator – London (Tech stack: Blockchain Developer, Solidity, Node.js, React, HTML5, CSS3, TypeScript, Foundry, Hardhat, Ethereum-based ecosystems, bridging between L1 and L2, NoSQL databases, Git, Agile, Rust, Go, L2 frameworks, Unity, Unreal, GoDot, Programmer, Full Stack Engineer, Architect, Blockchain Developer) We have an exciting new opportunity for a Blockchain Developer to join one of London’s most forward-thinking Web3/DeFi innovators. This is your chance to work at the cutting edge of blockchain technology—building scalable, decentralised applications and systems with real-world impact. … how decentralised finance and digital ecosystems interact, using sophisticated Layer 2 scaling solutions and bleeding-edge tech. Our client is looking for a passionate Blockchain Developer with strong skills in Ethereum-based ecosystems. You will be joining a world-class engineering team, contributing across the full stack, from More ❯

Blockchain Developer – Web3/DeFi Innovator – London (Tech stack: Blockchain Developer, Solidity, Node.js, React, HTML5, CSS3, TypeScript, Foundry, Hardhat, Ethereum-based ecosystems, bridging between L1 and L2, NoSQL databases, Git, Agile, Rust, Go, L2 frameworks, Unity, Unreal, GoDot, Programmer, Full Stack Engineer, Architect, Blockchain Developer) We have an exciting new opportunity for a Blockchain Developer to join one of London’s most forward-thinking Web3/DeFi innovators. This is your chance to work at the cutting edge of blockchain technology—building scalable, decentralised applications and systems with real-world impact. … how decentralised finance and digital ecosystems interact, using sophisticated Layer 2 scaling solutions and bleeding-edge tech. Our client is looking for a passionate Blockchain Developer with strong skills in Ethereum-based ecosystems. You will be joining a world-class engineering team, contributing across the full stack, from More ❯

Blockchain Developer (Contract – Carbon Tokenisation Project) Remote | 3-Month Contract | Hyperledger Besu | Sustainability Tech I'm currently working with a forward-thinking organisation in the clean technology sector, seeking an experienced Blockchain Developer for a 3-month contract to build the foundational infrastructure of a carbon … offset tokenisation system on Hyperledger Besu . This role involves designing and delivering a secure, permissioned blockchain network and developing smart contracts for the minting, verification, and retirement of tokenised carbon credits. You’ll take the lead from network configuration through to testnet deployment and audit readiness, collaborating with More ❯

Blockchain Developer (Contract – Carbon Tokenisation Project) Remote | 3-Month Contract | Hyperledger Besu | Sustainability Tech I'm currently working with a forward-thinking organisation in the clean technology sector, seeking an experienced Blockchain Developer for a 3-month contract to build the foundational infrastructure of a carbon … offset tokenisation system on Hyperledger Besu . This role involves designing and delivering a secure, permissioned blockchain network and developing smart contracts for the minting, verification, and retirement of tokenised carbon credits. You’ll take the lead from network configuration through to testnet deployment and audit readiness, collaborating with More ❯

Blockchain Developer (Contract – Carbon Tokenisation Project) Remote | 3-Month Contract | Hyperledger Besu | Sustainability Tech I'm currently working with a forward-thinking organisation in the clean technology sector, seeking an experienced Blockchain Developer for a 3-month contract to build the foundational infrastructure of a carbon … offset tokenisation system on Hyperledger Besu . This role involves designing and delivering a secure, permissioned blockchain network and developing smart contracts for the minting, verification, and retirement of tokenised carbon credits. You’ll take the lead from network configuration through to testnet deployment and audit readiness, collaborating with More ❯

Blockchain Developer (Web3/dApps) V7 is supporting a leading client in the IT space who is seeking a Blockchain Developer with deep expertise in building secure, user-focused decentralised applications. This is a fully remote, 3-month rolling contract (outside IR35) focused on developing Web3 … performance, and low gas usage Maintain clear documentation and participate in audits and peer reviews Key Requirements: 3+ years of hands-on experience in blockchain development Proven track record with Solidity, Ethereum-based contracts, and dApp development Familiarity with wallet integration patterns (MetaMask, WalletConnect, etc.) Understanding of decentralised user More ❯

Blockchain Developer (Web3/dApps) V7 is supporting a leading client in the IT space who is seeking a Blockchain Developer with deep expertise in building secure, user-focused decentralised applications. This is a fully remote, 3-month rolling contract (outside IR35) focused on developing Web3 … performance, and low gas usage Maintain clear documentation and participate in audits and peer reviews Key Requirements: 3+ years of hands-on experience in blockchain development Proven track record with Solidity, Ethereum-based contracts, and dApp development Familiarity with wallet integration patterns (MetaMask, WalletConnect, etc.) Understanding of decentralised user More ❯

Blockchain Developer (Web3/dApps) V7 is supporting a leading client in the IT space who is seeking a Blockchain Developer with deep expertise in building secure, user-focused decentralised applications. This is a fully remote, 3-month rolling contract (outside IR35) focused on developing Web3 … performance, and low gas usage Maintain clear documentation and participate in audits and peer reviews Key Requirements: 3+ years of hands-on experience in blockchain development Proven track record with Solidity, Ethereum-based contracts, and dApp development Familiarity with wallet integration patterns (MetaMask, WalletConnect, etc.) Understanding of decentralised user More ❯

Blockchain Full Stack Developer Are you a skilled and dynamic Blockchain Full Stack Developer with a passion for innovation? Join our clients team and help shape the future of technology through cutting-edge software solutions. Remote Role (UK/ROI eligibility required) Tech Stack: Solidity, Go More ❯

Blockchain Full Stack Developer Are you a skilled and dynamic Blockchain Full Stack Developer with a passion for innovation? Join our clients team and help shape the future of technology through cutting-edge software solutions. Remote Role (UK/ROI eligibility required) Tech Stack: Solidity, Go More ❯

We are seeking a highly skilled and motivated Senior Full-Stack Blockchain Developer to join our innovative and forward-thinking team. As a key contributor, you will work on cutting-edge blockchain solutions, leveraging your expertise in Solidity , Node.js , and React (or other modern JavaScript frameworks). … Proficiency in languages like C# , Go , or Rust is a strong advantage. If you are passionate about blockchain technology and thrive in a dynamic environment, this role offers the opportunity to shape groundbreaking solutions while working remotely. Key Responsibilities Smart Contract Development : Design, develop, and deploy secure and efficient … smart contracts using Solidity . Blockchain Integration : Integrate blockchain technology into web and backend systems. Full-Stack Development : Build and maintain scalable front-end and back-end systems using Node.js and React (or other JavaScript frameworks). Performance Optimization : Optimize applications for speed, scalability, and user experience. Collaborative More ❯

We are seeking a highly skilled and motivated Senior Full-Stack Blockchain Developer to join our innovative and forward-thinking team. As a key contributor, you will work on cutting-edge blockchain solutions, leveraging your expertise in Solidity , Node.js , and React (or other modern JavaScript frameworks). … Proficiency in languages like C# , Go , or Rust is a strong advantage. If you are passionate about blockchain technology and thrive in a dynamic environment, this role offers the opportunity to shape groundbreaking solutions while working remotely. Key Responsibilities Smart Contract Development : Design, develop, and deploy secure and efficient … smart contracts using Solidity . Blockchain Integration : Integrate blockchain technology into web and backend systems. Full-Stack Development : Build and maintain scalable front-end and back-end systems using Node.js and React (or other JavaScript frameworks). Performance Optimization : Optimize applications for speed, scalability, and user experience. Collaborative More ❯

We are seeking a highly skilled and motivated Senior Full-Stack Blockchain Developer to join our innovative and forward-thinking team. As a key contributor, you will work on cutting-edge blockchain solutions, leveraging your expertise in Solidity , Node.js , and React (or other modern JavaScript frameworks). … Proficiency in languages like C# , Go , or Rust is a strong advantage. If you are passionate about blockchain technology and thrive in a dynamic environment, this role offers the opportunity to shape groundbreaking solutions while working remotely. Key Responsibilities Smart Contract Development : Design, develop, and deploy secure and efficient … smart contracts using Solidity . Blockchain Integration : Integrate blockchain technology into web and backend systems. Full-Stack Development : Build and maintain scalable front-end and back-end systems using Node.js and React (or other JavaScript frameworks). Performance Optimization : Optimize applications for speed, scalability, and user experience. Collaborative More ❯

I have teamed up with a scale-up Start-up in the Blockchain/Web3 space who are looking for a Blockchain Developer to join their engineering team! This is a great chance to join a fast paced & ambitious tech company who are working at the forefront … of Web3/Blockchain technology. They are a small team but are all driven by innovation and the chance to work in Web3. You will work on Smart Contract (Ethereum) development and build blockchain infrastructure with consensus. You will also build Web3 UI Components using TypeScript/JavaScript. … The key requirements are: 2+ years of experience working in Blockchain Ethereum/Smart Contract Development TypeScript/JavaScript Web3 UI Components Chainlink-based oracles Liquidity Solutions NFTs Having experience working in a start-up is also a huge plus! They are looking for smart & driven people who are More ❯

I have teamed up with a scale-up Start-up in the Blockchain/Web3 space who are looking for a Blockchain Developer to join their engineering team! This is a great chance to join a fast paced & ambitious tech company who are working at the forefront … of Web3/Blockchain technology. They are a small team but are all driven by innovation and the chance to work in Web3. You will work on Smart Contract (Ethereum) development and build blockchain infrastructure with consensus. You will also build Web3 UI Components using TypeScript/JavaScript. … The key requirements are: 2+ years of experience working in Blockchain Ethereum/Smart Contract Development TypeScript/JavaScript Web3 UI Components Chainlink-based oracles Liquidity Solutions NFTs Having experience working in a start-up is also a huge plus! They are looking for smart & driven people who are More ❯

Rust Developer | Crypto/Blockchain Trading Technology Location: London, UK - 5 days a week in office required Package: Base + Bonus + Equity We are working closely with a profitable, venture backed crypto tech company based in London, who specialise in the development of trading infrastructure and services … within the decentralised finance sector. Our mission is to foster an open, transparent financial system through their contributions to the Ethereum blockchain and beyond. They seek a Software Engineer with a strong background in STEM and a passion for software development. While experience with low latency systems, algorithmic trading … coding, and scalable distributed systems) Familiarity with concurrency, OOP, database systems, and basic SQL Knowledge of Linux/Unix, AWS, Git, Docker, EVM, and blockchain fundamentals Apply now More ❯

Rust Developer | Crypto/Blockchain Trading Technology Location: London, UK - 5 days a week in office required Package: Base + Bonus + Equity We are working closely with a profitable, venture backed crypto tech company based in London, who specialise in the development of trading infrastructure and services … within the decentralised finance sector. Our mission is to foster an open, transparent financial system through their contributions to the Ethereum blockchain and beyond. They seek a Software Engineer with a strong background in STEM and a passion for software development. While experience with low latency systems, algorithmic trading … coding, and scalable distributed systems) Familiarity with concurrency, OOP, database systems, and basic SQL Knowledge of Linux/Unix, AWS, Git, Docker, EVM, and blockchain fundamentals Apply now More ❯

Rust Developer | Crypto/Blockchain Trading Technology Location: London, UK - 5 days a week in office required Package: Base + Bonus + Equity We are working closely with a profitable, venture backed crypto tech company based in London, who specialise in the development of trading infrastructure and services … within the decentralised finance sector. Our mission is to foster an open, transparent financial system through their contributions to the Ethereum blockchain and beyond. They seek a Software Engineer with a strong background in STEM and a passion for software development. While experience with low latency systems, algorithmic trading … coding, and scalable distributed systems) Familiarity with concurrency, OOP, database systems, and basic SQL Knowledge of Linux/Unix, AWS, Git, Docker, EVM, and blockchain fundamentals Apply now More ❯