Web3 Full-Stack Developer

This is a fully remote position, open to applicants in Romania, +1 more state.

📋 Description

• Engage in the design of the overall system architecture.

• Create and implement backend services along with database schema.

• Develop RESTful APIs.

• Execute business logic implementation.

• Design and create smart contracts.

• Integrate blockchain infrastructure.

• Incorporate fiat payment providers (PSP).

• Implement background workers and queues.

• Deploy and sustain development environments.

• Take part in technical decision-making processes.

• Contribute to project architecture and system analysis.

• Construct NFT Collection Factory management.

• Develop ERC-721 and ERC-1155 smart contracts.

• Create NFT image generation pipelines.

• Establish NFT minting and purchasing processes.

• Integrate asset storage APIs for both admin and user interfaces.

• Implement order management and payment processing functionalities.

• Develop blockchain workers.

• Build production-ready backend architecture.

⛳️ Requirements

• Proven experience with web3 projects, particularly in NFT initiatives and the ERC-721 standard.

• Strong expertise in TypeScript.

• Solid experience in backend development using Node.js or NextJS.

• Proven ability to design scalable REST APIs.

• Familiarity with queue-based architectures.

• Knowledge of PostgreSQL, Docker, Git, Solidity, smart contract deployment, and the Ethereum ecosystem.

• Technical understanding of blockchain technology, wallets, transactions, smart contracts, and token standards.

• Backend proficiency: Node.js, NestJS or similar, TypeScript, PostgreSQL, Prisma ORM or similar, Redis, RabbitMQ, BullMQ or similar, IPFS/CDN.

• Blockchain expertise: Solidity, ERC-721, ERC-1155, OpenZeppelin, viem/ethers, Hardhat or Foundry.

• Infrastructure knowledge: Docker, GitHub Actions, Linux.

• Frontend capabilities: React, Next.js or similar, TailwindCSS, TypeScript, wagmi, RainbowKit, web3.js, TanStack Query.

• Nice to have: Experience in fintech, payment provider integrations, ERC-1155, Pinata or similar IPFS/CDN, AI image generation pipelines, and frontend JavaScript frameworks.

🏝️ Benefits

• Flexible working hours.

• Competitive compensation package.

• Opportunity for extending collaboration on future projects.

• For office work: Weekly lunch.

• For office work: Snacks and beverages available in the office.

• For office work: Centrally located office.

• Full-time or part-time schedule available.