We are seeking a highly skilled and motivated Senior Full-Stack BlockchainDeveloper 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 … 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 knowledge of Solidity More ❯
Hi Professionals, Greetings From Ampstek!! Hope you are high in your spirits. Please stay safe. Our client is looking for BlockchainDeveloper to join a high-growth organization. If you are interested share you resume sreeja.j@ampstek.com Role: BlockchainDeveloper Location: London (hybrid 2days/week onsite) Duration: Contract Job Description: 1. Proven experience in blockchainMore ❯
City of London, London, United Kingdom Hybrid / WFH Options
Ampstek
Hi Professionals, Greetings From Ampstek!! Hope you are high in your spirits. Please stay safe. Our client is looking for BlockchainDeveloper to join a high-growth organization. If you are interested share you resume sreeja.j@ampstek.com Role: BlockchainDeveloper Location: London (hybrid 2days/week onsite) Duration: Contract Job Description: 1. Proven experience in blockchainMore ❯
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 of Web 3 protocols, decentralized systems, and cryptographic principles. 3.Experience More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Fidelity International
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 50-year heritage, we think generationally and invest for the … our people to perform their 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 … 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 Blockchain Engineer, you will play a pivotal role in shaping and advancing Fidelity’s DLT initiatives. You will lead and support enterprise blockchain projects and guide the strategic integration 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 50-year heritage, we think generationally and invest for the … our people to perform their 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 … 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 Blockchain Engineer, you will play a pivotal role in shaping and advancing Fidelity’s DLT initiatives. You will lead and support enterprise blockchain projects and guide the strategic integration More ❯
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. 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 BlockchainDeveloper 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 ❯
City of London, London, 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. 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 BlockchainDeveloper 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 ❯
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. 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 BlockchainDeveloper 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 in search of a dynamic and skilled BlockchainDeveloper to join our team. As a BlockchainDeveloper, you will be at the forefront of designing, implementing, and maintaining innovative blockchain solutions that drive the evolution of our projects. If you are enthusiastic about decentralized technologies and eager to contribute to groundbreaking initiatives, we … welcome you to be part of our team. Responsibilities: Develop and deploy blockchain solutions, encompassing smart contracts and decentralized applications (DApps). Collaborate closely with cross-functional teams to define and seamlessly integrate blockchain features. Play a key role in designing the architecture and protocols of blockchain networks. Conduct rigorous testing and thorough code reviews to ensure … the security and optimal performance of blockchain applications. Stay abreast of industry trends, emerging technologies, and advancements in the field of blockchain. Requirements: Proven experience as a BlockchainDeveloper or in a similar role. Proficiency in various blockchain technologies and protocols (e.g., Ethereum, Hyperledger, Binance Smart Chain). Strong programming skills, preferably in languages like Solidity 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 ❯
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 ❯
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 ❯
