Minimum 3 years of DeFi 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 connectivity, model pricing. Good to More ❯
from the frontend. Experience using tools for indexing and querying on-chain data (e.g. The Graph, Moralis, SubQuery, custom solutions). Deep understanding of Web3 libraries like wagmi , viem , ethers.js , or web3.js . Strong UX sensibilities and a passion for creating intuitive blockchain interfaces. Familiarity with state management (e.g. Zustand, Jotai, Redux) and component libraries (e.g. Tailwind, Radix, Chakra). More ❯
several test frameworks Habit of 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 JavaScript/TypeScript/Go languages More ❯
smart contracts. Responsibilities Develop and maintain responsive, user-friendly front-end interfaces using React, Next.js , Vue or similar frameworks. Integrate EVM and non-EVM smart contracts using libraries like Ethers.js, Web3.js, Viem, Starknet.js and wallet connectors such as ConnectKit and wagmi. Support wallet integrations including MetaMask, Argent X, and Braavos. Design and implement scalable back-end services and APIs using More ❯
with at least 2-3 years in a technical leadership role. Strong experience building and deploying crypto wallets, DeFi protocols , and working with Web3 tech stacks (e.g., EVM, Solidity, ethers.js/web3.js) . Strong NodeJS and React Native mobile development experience with experience launching and maintaining successful applications. Good C++ development experience and understanding of OS, Cryptography and Networking primitives. More ❯
3. Familiarity with Blockchain Experience with blockchain technologies, including: Proficiency 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. More ❯
AI/ML systems, particularly using tools such as Python, inference pipelines, and agents. Preference will be given to applicants who are familiar with Ethereum tooling, including Hardhat, Foundry, ethers.js, among others. The ability to evaluate trade-offs associated with decentralization is considered a valuable asset for this position. More ❯
obsession with quality and attention 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 a startup environment Why are More ❯
