Web3 Backend/Fullstack Engineer Middle/Senior Remote

#hiring #web3jobs #remote #backenddeveloper #fullstackdeveloper #typescript #nodejs #blockchain #defi #solidity #crypto Aigtech.dev Recruitment: Middle/Senior Web3 Backend/Fullstack Engineer Aigtech.dev is seeking qualified candidates to develop production-grade Web3 products. Responsibilities include backend services, blockchain integrations, smart contract interactions, automation, and infrastructure. Format: Remote Engagement: Full-time, Part-time, or Project-based Compensation: Negotiable, ranging from approximately $7,000 to $15,000. Requirements - Backend architecture expertise - Web3 and blockchain integration capabilities - Smart contract interaction proficiency - Experience with DeFi, NFT, and crypto products - Development of production systems Responsibilities - Develop backend services for Web3 and cryptocurrency applications - Design APIs, databases, and system architecture - Integrate wallets and networks - Manage transactions and on-chain data - Develop dashboards and internal tools - Create automation, bots, and API integrations Required Skills Backend: Node.js/TypeScript, NestJS/Express/Fastify, PostgreSQL/MongoDB/Redis, REST/GraphQL/WebSocket, Docker/Linux/Git/CI/CD, and scalable systems. Web3: Blockchain transaction flows, EVM networks, smart contract interaction, ethers.js/web3.js, RPC providers, events, and DeFi mechanics. Preferred Qualifications Solidity, Hardhat, Foundry, OpenZeppelin. DeFi: Swaps, staking, liquidity, bridges, and DEXs. Frontend: React/Next.js for dashboards and UI. Expectations - Clean, maintainable code - Independent work ethic - Product-oriented mindset - Clear asynchronous communication Application Submit CV, LinkedIn profile, and GitHub. Contact: @ShiZhyong