London, England, United Kingdom Hybrid / WFH Options
Cornwallis Elt
live smart contract deployments) Deep understanding of EVM architecture, blockchain consensus, gas mechanics, and DeFi primitives. Proficiency with Solidity and tools such as Hardhat, Ethers.js, Web3.js, or Foundry. Experience integrating blockchain features into real-world financial or investment products. This is an exciting opportunity to work across smart contracts, protocol More ❯
the bigger picture and architect both front end and back-end systems to accomplish product goals. Experience with smart contracts, ERC-20, web3 and ethers.js . While you'll primarily work with Node.JS/TypeScript, experience in DevOps is a plus. This role is fully remote (with offices optional and More ❯
London, England, United Kingdom Hybrid / WFH Options
P2P
Contract Upgrade Patterns: Familiarity with various smart contract upgradeability patterns Off-Chain Scripting/Interaction: Experience writing scripts (e.g., using Typescript/Javascript with Ethers.js/Web3.js, or GoLang) to interact with and manage smart contracts. CI/CD for Smart Contracts: Experience with continuous integration and continuous deployment pipelines More ❯
live smart contract deployments) Deep understanding of EVM architecture, blockchain consensus, gas mechanics, and DeFi primitives. Proficiency with Solidity and tools such as Hardhat, Ethers.js, Web3.js, or Foundry. Experience integrating blockchain features into real-world financial or investment products. This is an exciting opportunity to work across smart contracts, protocol More ❯
live smart contract deployments) Deep understanding of EVM architecture, blockchain consensus, gas mechanics, and DeFi primitives. Proficiency with Solidity and tools such as Hardhat, Ethers.js, Web3.js, or Foundry. Experience integrating blockchain features into real-world financial or investment products. This is an exciting opportunity to work across smart contracts, protocol More ❯
London, England, United Kingdom Hybrid / WFH Options
Blockchain.com
Familiarity with Ethereum, Solana, or similar blockchain ecosystems, and tools like Hardhat, Foundry, Anchor, etc. Experience working with Web3 libraries and tools such as ethers.js, web3.js, or wagmi. A strong sense of ownership and the ability to drive projects independently. Ability to navigate ambiguity and work effectively in a fast More ❯
London, England, United Kingdom Hybrid / WFH Options
Blockchain.com
Familiarity with Ethereum, Solana, or similar blockchain ecosystems, and tools like Hardhat, Foundry, Anchor, etc. Experience working with Web3 libraries and tools such as ethers.js, web3.js, or wagmi. A strong sense of ownership and the ability to drive projects independently. Ability to navigate ambiguity and work effectively in a fast More ❯
London, England, United Kingdom Hybrid / WFH Options
Trilitech
blockchain technology trends and bring innovative solutions to the team Requirements Strong understanding of the Ethereum/EVM ecosystem, including smart contracts, Web3.js/ethers.js, and related technologies Proven experience building dApps or blockchain infrastructure components Full-stack development capabilities (JavaScript/TypeScript, React, Node.js, or similar technologies) Experience with More ❯
development experience working with EVM, Solana, and other blockchain ecosystems. Minimum 3 years experience using JavaScript/TypeScript, NodeJS, and relevant SDKs (e.g. web3.js , ethers.js ). Deep understanding of Smart Contracts, AMM, Farming, etc. Experience with websocket programming. Experience with Linux system programming. Good to have: Trading system experience in More ❯
efficiently, and to multitask Desire and ability to innovate and improve upon current processes Positive attitude and a team player Experience with web3.js or ethers.js, and developing DeFi applications and/or FinTech applications is a plus More ❯
scaling). Problem-solving mindset, able to tackle challenges and optimize solutions in a fast-paced environment. Nice-to-Haves Experience with web3 libraries (ethers.js, go-ethereum, etc.). Familiarity with Hexagonal Architecture. Experience within a trading environment. Must be a UK Citizen. Company Culture and Values At Flowdesk, our More ❯
and scaling) Problem-solving mindset, able to tackle challenges and optimize solutions in a fast-paced environment Nice-to-Haves Experience with web3 libraries (ethers.js, go-ethereum, etc.) Familiarity with Hexagonal Architecture Experience within a trading environment Must be a UK Citizen Company Culture and Values Ambition: We aim to More ❯
London, England, United Kingdom Hybrid / WFH Options
Blockchain.com
side signing or crypto transaction flows is a plus. Technical Foundations : Working knowledge of TypeScript and React, with exposure to Web3 libraries (e.g., web3.js, ethers.js) and wallet integrations, or a strong interest in learning them. Familiarity with backend development concepts, RESTful APIs, and working with databases. Exposure to smart contract More ❯
meaningful product evolution. Requirements 5+ years of software engineering experience, ideally within backend-heavy roles. Strong proficiency with TypeScript and experience using SDKs like ethers.js , web3.js , or bitcoinjs-lib . Comfortable writing tests with Jest . Bonus points for experience with Golang , but not essential. This is a unique chance More ❯
meaningful product evolution. Requirements 5+ years of software engineering experience, ideally within backend-heavy roles. Strong proficiency with TypeScript and experience using SDKs like ethers.js , web3.js , or bitcoinjs-lib . Comfortable writing tests with Jest . Bonus points for experience with Golang , but not essential. This is a unique chance More ❯
meaningful product evolution. Requirements 5+ years of software engineering experience, ideally within backend-heavy roles. Strong proficiency with TypeScript and experience using SDKs like ethers.js , web3.js , or bitcoinjs-lib . Comfortable writing tests with Jest . Bonus points for experience with Golang , but not essential. This is a unique chance More ❯
meaningful product evolution. Requirements 5+ years of software engineering experience, ideally within backend-heavy roles. Strong proficiency with TypeScript and experience using SDKs like ethers.js , web3.js , or bitcoinjs-lib . Comfortable writing tests with Jest . Bonus points for experience with Golang , but not essential. This is a unique chance More ❯
meaningful product evolution. Requirements 5+ years of software engineering experience, ideally within backend-heavy roles. Strong proficiency with TypeScript and experience using SDKs like ethers.js , web3.js , or bitcoinjs-lib . Comfortable writing tests with Jest . Bonus points for experience with Golang , but not essential. This is a unique chance More ❯
london (city of london), south east england, united kingdom
Albert Bow
meaningful product evolution. Requirements 5+ years of software engineering experience, ideally within backend-heavy roles. Strong proficiency with TypeScript and experience using SDKs like ethers.js , web3.js , or bitcoinjs-lib . Comfortable writing tests with Jest . Bonus points for experience with Golang , but not essential. This is a unique chance More ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
and product teams. Key Responsibilities: Develop and deploy smart contracts for DeFi, NFTs, or tokenized platforms (Solidity, EVM-compatible) Integrate Web3 libraries (e.g. Web3.js, Ethers.js) with frontend dApps and wallet providers Collaborate with UX designers to ensure seamless and intuitive interactions between smart contracts and user interfaces Optimize smart contracts More ❯
Hounslow, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
and product teams. Key Responsibilities: Develop and deploy smart contracts for DeFi, NFTs, or tokenized platforms (Solidity, EVM-compatible) Integrate Web3 libraries (e.g. Web3.js, Ethers.js) with frontend dApps and wallet providers Collaborate with UX designers to ensure seamless and intuitive interactions between smart contracts and user interfaces Optimize smart contracts More ❯
meaningful product evolution. Requirements 5+ years of software engineering experience, ideally within backend-heavy roles. Strong proficiency with TypeScript and experience using SDKs like ethers.js , web3.js , or bitcoinjs-lib . Comfortable writing tests with Jest . Bonus points for experience with Golang , but not essential. This is a unique chance More ❯
London, England, United Kingdom Hybrid / WFH Options
Career Renew
report to our Backend Lead. The current tech stack we use: Node.js running TypeScript code in Docker containers MongoDB and Redis for our data ethers.js for communication with the EVM blockchains Github, Kubernetes, AWS and CloudFlare for our GitOps CD chain Please note: You must be located in the EMEA More ❯
London, England, United Kingdom Hybrid / WFH Options
Blockchain.com
cryptocurrencies, and Web3 development. Proficient in client-side signing and handling crypto transactions (e.g., Bitcoin, Ethereum). Familiarity with Web3 libraries (such as web3.js, ethers.js) and wallet integrations. Experience with decentralized applications (dApps) and understanding of blockchain protocols. Ability to independently manage the full lifecycle of tasks, and take ownership More ❯
technologies, cryptocurrencies, and Web3 development Proficient in client-side signing and handling crypto transactions (e.g., Bitcoin, Ethereum) Familiarity with Web3 libraries (such as web3.js, ethers.js) and wallet integrations Experience with decentralized applications (dApps) and understanding of blockchain protocols Ability to independently manage the full lifecycle of tasks, and take ownership More ❯