London, England, United Kingdom Hybrid / WFH Options
Noir
BlockchainDeveloper – Web3/DeFi Innovator – London (Tech stack: BlockchainDeveloper, 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, BlockchainDeveloper) We have an exciting new opportunity for a BlockchainDeveloper 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 BlockchainDeveloper with strong skills in Ethereum-based ecosystems. You will be joining a world-class engineering team, contributing across the full stack, from More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: (Tech stack: BlockchainDeveloper, 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, BlockchainDeveloper) We have an exciting new opportunity for a BlockchainDeveloper 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 BlockchainDeveloper with strong skills in Ethereum-based ecosystems. You will be joining a world-class engineering team, contributing across the full stack, from More ❯
London, England, United Kingdom Hybrid / WFH Options
Crypto Recruit
Social network you want to login/join with: Sr BlockchainDeveloper - Blockchain, London Client: Crypto Recruit Location: London, United Kingdom Job Category: Other EU work permit required: Yes Job Reference: 701dc0c7e7b1 Job Views: 7 Posted: 17.06.2025 Expiry Date: 01.08.2025 Job Description: A BIT ABOUT US We … are a new fully-funded game studio with a team of veteran founders. THE MISSION As a world-class blockchaindeveloper, you will design, implement, and distribute a secure blockchain-based network. You will analyze our blockchain needs, design customized blockchain technologies, and maintain our … blockchain network. This is a remote position that can be done from anywhere in the world. RESPONSIBILITIES Collaborate with managers to determine blockchain technology needs and functionalities. Create application features and interfaces; write multithreaded code. Apply cryptology techniques to protect digital transaction data against cyberattacks. Maintain client and More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: BlockchainDeveloper (Web3/dApps), slough col-narrow-left Client: V7 Recruitment Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 5 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description … BlockchainDeveloper (Web3/dApps) V7 is supporting a leading client in the IT space who is seeking a BlockchainDeveloper 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 ❯
Woking, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: BlockchainDeveloper (Web3/dApps), woking col-narrow-left Client: V7 Recruitment Location: woking, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 5 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description … BlockchainDeveloper (Web3/dApps) V7 is supporting a leading client in the IT space who is seeking a BlockchainDeveloper 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 ❯
Bath, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: BlockchainDeveloper (Web3/dApps), bath col-narrow-left Client: V7 Recruitment Location: bath, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 9 Posted: 06.06.2025 Expiry Date: 21.07.2025 col-wide Job Description … BlockchainDeveloper (Web3/dApps) V7 is supporting a leading client in the IT space who is seeking a BlockchainDeveloper 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 ❯
Southampton, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: BlockchainDeveloper (Web3/dApps), southampton col-narrow-left Client: V7 Recruitment Location: southampton, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 7 Posted: 09.06.2025 Expiry Date: 24.07.2025 col-wide Job Description … BlockchainDeveloper (Web3/dApps) V7 is supporting a leading client in the IT space who is seeking a BlockchainDeveloper 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 ❯
Brighton, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: BlockchainDeveloper (Web3/dApps), brighton col-narrow-left Client: V7 Recruitment Location: brighton, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 5 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description … BlockchainDeveloper (Web3/dApps) V7 is supporting a leading client in the IT space who is seeking a BlockchainDeveloper 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 ❯
Reading, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: BlockchainDeveloper (Web3/dApps), reading col-narrow-left Client: V7 Recruitment Location: reading, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 5 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description … BlockchainDeveloper (Web3/dApps) V7 is supporting a leading client in the IT space who is seeking a BlockchainDeveloper 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 ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: BlockchainDeveloper (Web3/dApps), london col-narrow-left Client: V7 Recruitment Location: london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description … BlockchainDeveloper (Web3/dApps) V7 is supporting a leading client in the IT space who is seeking a BlockchainDeveloper 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 ❯
Watford, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: BlockchainDeveloper (Web3/dApps), watford, hertfordshire col-narrow-left Client: V7 Recruitment Location: watford, hertfordshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 13 Posted: 06.06.2025 Expiry Date: 21.07.2025 col-wide … Job Description: BlockchainDeveloper (Web3/dApps) V7 is supporting a leading client in the IT space who is seeking a BlockchainDeveloper with deep expertise in building secure, user-focused decentralised applications. This is a fully remote, 3-month rolling contract (outside IR35) focused on … 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 ❯
Portsmouth, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: BlockchainDeveloper (Web3/dApps), portsmouth, hampshire col-narrow-left Client: V7 Recruitment Location: portsmouth, hampshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 5 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide … Job Description: BlockchainDeveloper (Web3/dApps) V7 is supporting a leading client in the IT space who is seeking a BlockchainDeveloper with deep expertise in building secure, user-focused decentralised applications. This is a fully remote, 3-month rolling contract (outside IR35) focused on … 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 ❯
Crawley, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: BlockchainDeveloper (Web3/dApps), crawley, west sussex col-narrow-left Client: V7 Recruitment Location: crawley, west sussex, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 13 Posted: 06.06.2025 Expiry Date: 21.07.2025 … col-wide Job Description: BlockchainDeveloper (Web3/dApps) V7 is supporting a leading client in the IT space who is seeking a BlockchainDeveloper with deep expertise in building secure, user-focused decentralised applications. This is a fully remote, 3-month rolling contract (outside IR35 … 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 ❯
Hounslow, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: BlockchainDeveloper (Web3/dApps), south west london col-narrow-left Client: V7 Recruitment Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 7 Posted: 09.06.2025 Expiry Date: 24.07.2025 … col-wide Job Description: BlockchainDeveloper (Web3/dApps) V7 is supporting a leading client in the IT space who is seeking a BlockchainDeveloper with deep expertise in building secure, user-focused decentralised applications. This is a fully remote, 3-month rolling contract (outside IR35 … 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 ❯
Watford, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
BlockchainDeveloper, watford, hertfordshire Client: Solas IT Recruitment Location: watford, hertfordshire, United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 3 Posted: 31.05.2025 Expiry Date: 15.07.2025 Job Description: Blockchain Full Stack Developer Are you a skilled and dynamic Blockchain Full Stack DeveloperMore ❯
Watford, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
BlockchainDeveloper - Solidity, watford, hertfordshire Client: Solas IT Recruitment Location: watford, hertfordshire, United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 Job Description: If you are passionate about blockchain technology and thrive in a dynamic environment, this role … 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. Performance Optimization : Optimize applications for speed, scalability, and user experience. Collaborative Development : Work closely … with cross-functional teams including product managers, designers, and other developers to deliver high-quality solutions. Innovation : Stay updated on the latest blockchain trends and technologies, contributing to new ideas and innovative approaches. Key Qualifications Essential Skills and Experience : Proven experience with Ethereum and related blockchain technologies. Advanced More ❯
Cheltenham, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Location: Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 13 Posted: 06.06.2025 Expiry Date: 21.07.2025 col-wide Job Description: BlockchainDeveloper (Web3/dApps) V7 is supporting a leading client in the IT space who is seeking a BlockchainDeveloper with … 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 ❯
Southampton, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: BlockchainDeveloper - Solidity, southampton col-narrow-left Client: Solas IT Recruitment Location: southampton, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: 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 … Work closely with cross-functional teams including product managers, designers, and other developers to deliver high-quality solutions. Innovation : Stay updated on the latest blockchain trends and technologies, contributing to new ideas and innovative approaches. Key Qualifications Essential Skills and Experience : Proven experience with Ethereum and related blockchainMore ❯
Reading, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: BlockchainDeveloper - Solidity, reading col-narrow-left Client: Solas IT Recruitment Location: reading, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: 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 … Work closely with cross-functional teams including product managers, designers, and other developers to deliver high-quality solutions. Innovation : Stay updated on the latest blockchain trends and technologies, contributing to new ideas and innovative approaches. Key Qualifications Essential Skills and Experience : Proven experience with Ethereum and related blockchainMore ❯
Brighton, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: BlockchainDeveloper - Solidity, brighton col-narrow-left Client: Solas IT Recruitment Location: brighton, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: 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 … Work closely with cross-functional teams including product managers, designers, and other developers to deliver high-quality solutions. Innovation : Stay updated on the latest blockchain trends and technologies, contributing to new ideas and innovative approaches. Key Qualifications Essential Skills and Experience : Proven experience with Ethereum and related blockchainMore ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: BlockchainDeveloper - Solidity, west london col-narrow-left Client: Solas IT Recruitment Location: west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job … Description: 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 … Work closely with cross-functional teams including product managers, designers, and other developers to deliver high-quality solutions. Innovation : Stay updated on the latest blockchain trends and technologies, contributing to new ideas and innovative approaches. Key Qualifications Essential Skills and Experience : Proven experience with Ethereum and related blockchainMore ❯
Portsmouth, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: BlockchainDeveloper - Solidity, portsmouth, hampshire col-narrow-left Client: Solas IT Recruitment Location: portsmouth, hampshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job … Description: 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 … Work closely with cross-functional teams including product managers, designers, and other developers to deliver high-quality solutions. Innovation : Stay updated on the latest blockchain trends and technologies, contributing to new ideas and innovative approaches. Key Qualifications Essential Skills and Experience : Proven experience with Ethereum and related blockchainMore ❯
London, England, United Kingdom Hybrid / WFH Options
Superland Inc
We are seeking a highly skilled and motivated BlockchainDeveloper to join our dynamic team. The ideal candidate will have a strong background in blockchain technologies and a passion for developing innovative solutions. You will be responsible for designing, implementing, and supporting a distributed blockchain-based … network. Key Responsibilities: • Design, develop, and test blockchain applications. • Create and maintain smart contracts and blockchain protocols. • Collaborate with cross-functional teams to define, design, and ship new features. • Ensure the performance, quality, and responsiveness of applications. • Identify and correct bottlenecks and fix bugs. • Help maintain code quality … and token creation. • Knowledge of distributed systems and peer-to-peer networking. • Understanding of different consensus algorithms like PoW, PoS, and DPoS. • Familiarity with blockchain testing tools and frameworks. • Experience with cloud services such as AWS, Azure, or Google Cloud. What We Offer: • Competitive salary and benefits package. More ❯
Role Title: BlockchainDeveloper Possibility of remote work: Hybrid, 2 days per week in office (this is a must) Contract duration: 1 year Location: London, Churchill Pl - JOB DETAILS Minimum years of experience: 5-8 years Detailed Job Description: 1. Proven experience in blockchain development 2.Strong understanding More ❯
Title: Blockchain Engineer Department: Enterprise AI and Engineering – Blockchain Centre of Excellence Location: Cannon Street, London (Hybrid) Job Type: Contract About Fidelity International Fidelity International offers investment solutions and services and retirement expertise to approximately 3 million customers globally. As a privately-held, purpose-driven company with a … roles in the way that works best for them, our colleagues, our clients, and the business. We call this “dynamic working.” Department Overview The Blockchain Centre of Excellence (BCoE) is a specialist unit within the Enterprise AI and Engineering division. The team’s mission is to explore and validate … blockchain and distributed ledger technology (DLT) solutions relevant to Fidelity’s business and the broader financial industry. As a tight-knit team of technologists and domain experts, we blend technical depth with business insight to unlock value through emerging decentralized technologies. What You’ll Do As a BlockchainMore ❯