Middle/Senior Web3 Backend/Fullstack Engineer

Задачи:
• Build backend services for Web3/crypto;
• Design APIs, databases, architecture;
• Integrate wallets, networks;
• Handle transactions, on-chain data;
• Develop dashboards, internal tools;
• Create automation, bots, API integrations;

Требования:
• Backend architecture;
• Web3/blockchain integrations;
• Smart contract interaction;
• DeFi/NFT/crypto products;
• Production systems;

Условия:
• Remote work;
• Full-time/Part-time/Project-based;

Стек:
• Node.js/TypeScript, NestJS/Express/Fastify;
• PostgreSQL/MongoDB/Redis;
• REST/GraphQL/WebSocket;
• Docker/Linux/Git/CI/CD;
• Blockchain transaction flows, EVM networks, smart contract interaction, ethers.js/web3.js, RPC providers, events, DeFi mechanics;

Будет плюсом:
• Solidity, Hardhat, Foundry, OpenZeppelin;
• DeFi: swaps, staking, liquidity, bridges, DEXs;
• Frontend: React/Next.js for dashboards/UI.