4 of 4 Blockchain Developer Jobs in London

Role Title: Blockchain DeveloperPossibility of remote work: Hybrid, 2 days per week in office (this is a must)Contract duration: 1 yearLocation: London, Churchill Pl JOB DETAILSMinimum years of experience: 5-8 yearsDetailed Job Description:1. Proven experience in blockchain development2.Strong understanding of Web 3 protocols, decentralized systems, and cryptographic principles.3.Experience developing and deploying smart contracts and working 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. Our client is on a mission to reshape 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 writing performant smart contracts to architecting scalable back-ends and beautiful user-facing interfaces. They will provide exposure and training in: Solidity More ❯

We are seeking two Senior Back-End Blockchain Developers to join a UK-based B2B trading platform leveraging blockchain technology. You will develop and maintain the platform's back-end, focusing on Solana/Rust for blockchain integration, platform security, business logic, and database management. This is a full-time, 12-month contract role with a preference … for hybrid work in the UK. Job Details Job Title: Senior Back-End Blockchain Developer Number of Positions: 2 Location: London, UK Job Type: Contract Contract Start Date: 21 July 2025 Contract End Date: 21 July 2026 Contract Length: 12 months Work Schedule: Monday to Friday, 09:00-17:00 Work Arrangement: Hybrid (flexible office days: Monday to … per month (£90,000-£108,000 per year) Remuneration Frequency: Monthly Country of Resource: United Kingdom Responsibilities Build and maintain back-end systems, including Solana/Rust programs for blockchain integration. Implement secure business logic, platform security, and database management. Collaborate with front-end and product teams to support fintech and blockchain functionality. Required Skills and Experience Solana More ❯

We are seeking two Senior Front-End Blockchain Developers to join a UK-based B2B trading platform in the fintech space. You will continue the development of a Ruby/Rails and React web application, ensuring a seamless user experience and robust integrations with blockchain-based core services. This is a full-time, 12-month contract role with … a preference for hybrid work in the UK. Job Details Job Title: Senior Front-End Blockchain Developer Number of Positions: 2 Location: London, UK Job Type: Contract Contract Start Date: 21 July 2025 Contract End Date: 21 July 2026 Contract Length: 12 months Work Schedule: Monday to Friday, 09:00-17:00 Work Arrangement: Hybrid (flexible office days … Kingdom Responsibilities Develop and maintain the front-end of a Ruby/Rails and React-based web application. Collaborate with product and back-end teams to implement fintech and blockchain features. Ensure high-quality, responsive, and secure UI/UX for the platform. Required Skills and Experience Ruby/Rails: Minimum 7 years of hands-on experience React: Minimum More ❯