Aigtech.dev is seeking qualified Middle/Senior engineers to develop production-grade Web3 products. Work includes backend services, blockchain integrations, smart contract interactions, automation, and infrastructure.
Format: Remote. Engagement: Full-time, Part-time, or Project-based. Compensation: Negotiable, approximately $7,000 to $15,000.
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
Requirements / Required Skills:
- Backend: Node.js, TypeScript, NestJS/Express/Fastify
- Databases & caching: PostgreSQL, MongoDB, Redis
- APIs: REST, GraphQL, WebSocket
- Infrastructure: Docker, Linux, Git, CI/CD, scalable systems
- Web3: blockchain transaction flows, EVM networks, smart contract interaction, ethers.js, web3.js, RPC providers, events, DeFi mechanics
Preferred: Solidity, Hardhat, Foundry, OpenZeppelin; DeFi concepts (swaps, staking, liquidity, bridges, DEXs); Frontend: React/Next.js for dashboards and UI.
Expectations: Clean, maintainable code; independent, product-oriented work; clear asynchronous communication.
Application: Submit CV, LinkedIn profile, and GitHub repository.