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 infrastructure and smart contract solutions in close collaboration with UX and product teams. Key Responsibilities: Develop and deploy smart contracts … Optimize smart contracts for security, 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 flows and Web3 security best 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 infrastructure and smart contract solutions in close collaboration with UX and product teams. Key Responsibilities: Develop and deploy smart contracts … Optimize smart contracts for security, 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 flows and Web3 security best 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 infrastructure and smart contract solutions in close collaboration with UX and product teams. Key Responsibilities: Develop and deploy smart contracts … Optimize smart contracts for security, 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 flows and Web3 security best 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 infrastructure and smart contract solutions in close collaboration with UX and product teams. Key Responsibilities: Develop and deploy smart contracts … Optimize smart contracts for security, 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 flows and Web3 security best 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 infrastructure and smart contract solutions in close collaboration with UX and product teams. Key Responsibilities: Develop and deploy smart contracts … Optimize smart contracts for security, 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 flows and Web3 security best 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 infrastructure and smart contract solutions in close collaboration with UX and product teams. Key Responsibilities: Develop and deploy smart contracts … Optimize smart contracts for security, 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 flows and Web3 security best 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 developing Web3 infrastructure and smart contract solutions in close collaboration with UX and product teams. Key Responsibilities: Develop and deploy … Optimize smart contracts for security, 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 flows and Web3 security best 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 developing Web3 infrastructure and smart contract solutions in close collaboration with UX and product teams. Key Responsibilities: Develop and deploy … Optimize smart contracts for security, 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 flows and Web3 security best 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) focused on developing Web3 infrastructure and smart contract solutions in close collaboration with UX and product teams. Key Responsibilities: Develop … Optimize smart contracts for security, 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 flows and Web3 security best 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) focused on developing Web3 infrastructure and smart contract solutions in close collaboration with UX and product teams. Key Responsibilities: Develop … Optimize smart contracts for security, 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 flows and Web3 security best More ❯
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 infrastructure and smart contract solutions in close collaboration with UX … Optimize smart contracts for security, 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 flows and Web3 security best More ❯
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, organization, and automation. • Stay up-to-date with the latest industry trends and technologies to bring innovative ideas to the … Preferred Qualifications: • Experience with ICOs 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. • 100% remote job with working hours More ❯
Aberdeen, Scotland, United Kingdom Hybrid / WFH Options
JR United Kingdom
narrow-left Client: V7 Recruitment Location: 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 … Optimize smart contracts for security, 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 flows and Web3 security best More ❯
Cheltenham, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
narrow-left Client: V7 Recruitment 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 deep expertise in building secure … Optimize smart contracts for security, 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 flows and Web3 security best More ❯
London, England, United Kingdom Hybrid / WFH Options
GenLayer Labs
Senior Python Developer with Blockchain Experience Senior Python Developer with Blockchain Experience 4 weeks ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. This range is provided by GenLayer Labs. Your actual pay will be based on your skills and experience — talk with your recruiter to learn … 000.00/yr About YeagerAI YeagerAI is a pioneering AI research lab dedicated to revolutionizing the way humans and artificial intelligence interact. We are operating at the intersection of blockchain technology and AI to build GenLayer, a groundbreaking blockchain that integrates AI in its consensus algorithm to create smart contracts that are intelligent and capable of connecting to … AI to automate complex processes, make smart decisions, and interact with the real world in ways that were previously impossible. Position Overview We are looking for a Senior Python Developer who specializes in advanced Python development. In this role, you will focus on core language features, performance optimization, and security enhancements suitable for sandboxed execution environments. Your expertise will More ❯
London, England, United Kingdom Hybrid / WFH Options
YeagerAI LLC
About YeagerAI YeagerAI is a pioneering AI research lab dedicated to revolutionizing the way humans and artificial intelligence interact. We are operating at the intersection of blockchain technology and AI to build GenLayer, a groundbreaking blockchain that integrates AI in its consensus algorithm to create smart contracts that are intelligent and capable of connecting to the internet. With … automate complex processes, make smart decisions, and interact with the real world in ways that were previously impossible. Position Overview We are looking for a Senior Full Stack JavaScript Developer to lead the development of both client-side and server-side functionalities. In this role, you will focus on building user interfaces that interact with the blockchain-enabled … Excellent communication and teamwork skills. Benefits Total rewards package including a competitive salary, equity package, and benefits. Flexible and remote work environment. Opportunity to work at the intersection of blockchain and AI on cutting-edge technology. Professional development and growth opportunities. Be a part of a dynamic and innovative team that is shaping the future of decentralized applications. Join More ❯
Bronx, New York, United States Hybrid / WFH Options
DESIGNWORKS
Responsibilities Design and develop blockchain-based systems and applications Develop smart contracts using Solidity and other programming languages Collaborate with cross-functional teams to integrate blockchain solutions with existing systems Optimize blockchain solutions for performance, scalability, and security Stay up-to-date with emerging blockchain trends and technologies Skills Needed 3+ years of experience in blockchain development Strong knowledge of blockchain platforms (Ethereum, Hyperledger, Corda) Experience with smart contract development using Solidity and other programming languages Strong understanding of blockchain architecture, security, and scalability Experience with blockchain development frameworks and tools (Truffle, Web3.js) Excellent problem-solving and communication skills Qualifications Bachelor's degree in Computer Science, Information Technology, or related field Certified … BlockchainDeveloper or related certification (optional) Proven experience in designing and developing blockchain-based systems and applications Strong understanding of blockchain concepts and technologies More ❯
Minneapolis, Minnesota, United States Hybrid / WFH Options
DESIGN WORK
Responsibilities Design and develop blockchain-based systems and applications Develop smart contracts using Solidity and other programming languages Collaborate with cross-functional teams to integrate blockchain solutions with existing systems Optimize blockchain solutions for performance, scalability, and security Stay up-to-date with emerging blockchain trends and technologies Skills Needed 3+ years of experience in blockchain development Strong knowledge of blockchain platforms (Ethereum, Hyperledger, Corda) Experience with smart contract development using Solidity and other programming languages Strong understanding of blockchain architecture, security, and scalability Experience with blockchain development frameworks and tools (Truffle, Web3.js) Excellent problem-solving and communication skills More ❯
Anchorage, Alaska, United States Hybrid / WFH Options
AMMUNITION
Responsibilities Design and develop blockchain-based systems and applications Develop smart contracts using Solidity and other programming languages Collaborate with cross-functional teams to integrate blockchain solutions with existing systems Optimize blockchain solutions for performance, scalability, and security Stay up-to-date with emerging blockchain trends and technologies Skills Needed 3+ years of experience in blockchain development Strong knowledge of blockchain platforms (Ethereum, Hyperledger, Corda) Experience with smart contract development using Solidity and other programming languages Strong understanding of blockchain architecture, security, and scalability Experience with blockchain development frameworks and tools (Truffle, Web3.js) Excellent problem-solving and communication skills Qualifications Bachelor's degree in Computer Science, Information Technology, or related field Certified … BlockchainDeveloper or related certification (optional) Proven experience in designing and developing blockchain-based systems and applications Strong understanding of blockchain concepts and technologies What We Offer Competitive hourly rate ($80-$95 per hour) Opportunity to work with a dynamic and growing organization Collaborative and supportive work environment Professional development opportunities Flexible working hours and remote 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 Developer with a passion for innovation? Join our clients team More ❯
Glasgow, Scotland, United Kingdom Hybrid / WFH Options
JR United Kingdom
Recruitment Specialists Location: glasgow, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 9 Posted: 04.06.2025 Expiry Date: 19.07.2025 col-wide Job Description: BlockchainDeveloper (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 BlockchainDeveloper 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 More ❯
London, England, United Kingdom Hybrid / WFH Options
YeagerAI LLC
About YeagerAI YeagerAI is a pioneering AI research lab dedicated to revolutionizing the way humans and artificial intelligence interact. We are operating at the intersection of blockchain technology and AI to build GenLayer, a groundbreaking blockchain that integrates AI in its consensus algorithm to create smart contracts that are intelligent and capable of connecting to the internet. With … AI to automate complex processes, make smart decisions, and interact with the real world in ways that were previously impossible. Position Overview We are looking for a Senior Python Developer who specializes in advanced Python development. In this role, you will focus on core language features, performance optimization, and security enhancements suitable for sandboxed execution environments. Your expertise will … be crucial in ensuring the robustness, security, and efficiency of our custom Python interpreter and its integration with blockchain functionalities. Key Responsibilities Specialize in advanced Python development focusing on core language features. Optimize Python code for performance and scalability. Implement security enhancements suitable for sandboxed execution environments. Collaborate with the development team to integrate Python functionalities with blockchain. Write More ❯
re pioneering a global financial revolution. Our solutions empower businesses-from exchanges and wallets to payment processors and ATMs-to seamlessly integrate reserve-backed tokens across blockchains. By harnessing blockchain technology, Tether enables you to store, send, and receive digital tokens instantly, securely, and globally, at a fraction of the cost. Transparency is the foundation of everything we do … Maintain high security standards to protect user assets and data. Requirements +5 years of experience with Node.js and JavaScript development. Experience building or integrating crypto wallets for DeFi/blockchain applications. Familiarity with modular architecture for scalable applications. Experience developing complex platforms and APIs. Understanding of Peer-to-Peer technologies. Ability to learn new technologies quickly. Strong security practices More ❯
Edinburgh, Midlothian, United Kingdom Hybrid / WFH Options
BlockchainDeveloper, Rust, Go, Protocol-Level, COR7273 Are you a skilled BlockchainDeveloper with a passion for designing new protocols from the ground up? Ready to work on a new blockchain powering a next generation financial platform? The Role As a BlockchainDeveloper, you ll play a central role in building a brand … new blockchain from the ground up with original consensus mechanisms, cryptographic systems, and peer-to-peer infrastructure. You ll be working in a highly skilled team to develop everything from protocol design and node software and wallet infrastructure. The Company Our client are a specialist known for delivering cutting-edge projects across a range of different industries. Based in … is your opportunity to join a team thrives on creativity, autonomy, and purpose-driven development This is a full-time, in-person position based in Edinburgh. Strong experience in blockchain development experience, ideally at protocol level Strong skills in Rust, Go, or C++ A background with consensus algorithms, P2P networking, and cryptographic systems Experience building or contributing to Layer More ❯
London, England, United Kingdom Hybrid / WFH Options
Oxford Knight
Social network you want to login/join with: BlockchainDeveloper – Fully Remote – Europe, London col-narrow-left Client: Oxford Knight Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 46874bb0ac2b Job Views: 4 Posted: 02.06.2025 Expiry Date: 17.07.2025 col-wide Job Description: Summary: A blockchain development and solutions … firm is looking for Blockchain engineers to join their globally distributed engineering team, on a fully remote basis. Working on complex business operations and solutions based on Blockchain technology, the successful developer will work on open source technology and directly with clients, remotely. Requirements: BSc/MSc in Computer Science or relevant field Interest in Blockchain technology and Forth programming (no experience needed) Interest or experience in Bitcoin or other blockchain-related open source software Fully remote engineering team spread across Europe Gain commercial experience of Blockchain technology, Bitcoin, Forth, Golang, and Node.js #J-18808-Ljbffr More ❯