1 to 25 of 34 ethers.js Jobs in London

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

of product development, including technical planning, rigorous testing, and launch. A deep understanding of the architecture of modern Web3 applications. Experience with web3.js or ethers.js and developing DeFi applications. Desire to keep up with modern best practices in frontend UI development. Excellent communication and collaboration skills. BSc/BA in More ❯

of experience in Typescript and Node. 2+ years of experience building scalable solutions on top of AWS or GCP infrastructure. Experience with web3.js or ethers.js, and developing DeFi applications. Familiarity with Solidity development and a passion for DeFi and Web3. Exceptional strategic thinking and creative problem-solving skills with a More ❯

writing clean and testable code Experience in designing complex systems (architecture, design patterns, reliability and scaling) Nice to Have Experience with any web3 libraries (ethers.js, go-ethereum, etc ) Experience with Hexagonal Architecture Experience in Financial/Capital Markets Skills and personality Professional proficiency in English, French is a plus Interest More ❯

to the little things You are familiar with React What will be great to have? You are familiar with common web3 libraries such as ethers.js or web3.js You are passionate about blockchain technology and a decentralized future You are contributing to the open-source community You feel comfortable working in More ❯