Web3 Fullstack Developer (AI)

TL;DR

Web3 Fullstack Developer (Web3/AI): Building a premium web-based NFT commerce platform for AI-generated digital collectibles with an accent on primary sales and fiat payment integration. Focus on designing scalable REST APIs, implementing smart contracts, and creating a seamless purchasing pipeline for EVM wallets.

Location: Onsite in Bucharest or Limassol

Company

A growing software development company delivering custom solutions for enterprise businesses and startups across Europe and international markets.

What you will do

• Design overall system architecture and implement backend services and database schemas.
• Develop REST APIs and business logic for admin and user-facing panels.
• Design and implement smart contracts (ERC-721/ERC-1155) and integrate blockchain infrastructure.
• Integrate fiat payment providers (PSP) to enable seamless NFT purchasing.
• Implement background workers and queues for blockchain operations.
• Deploy and maintain development environments using Docker and GitHub Actions.

Requirements

• Experience with Web3 and NFT projects, specifically the ERC-721 standard.
• Strong proficiency in TypeScript, Node.js, and Next.js.
• Experience designing scalable REST APIs and queue-based architectures.
• Knowledge of PostgreSQL, Docker, and Git.
• Proficiency in Solidity and the Ethereum ecosystem (Hardhat or Foundry).
• Technical understanding of blockchain wallets, transactions, and token standards.

Nice to have

• Fintech experience and integration of payment providers like Stripe, Adyen, or Checkout.com.
• Experience with the ERC-1155 standard and AI image generating pipelines.
• Knowledge of Pinata or similar IPFS/CDN solutions.
• Experience with various frontend JS frameworks.

Culture & Benefits

• Flexible working hours and competitive compensation package.
• Possibility of extending collaboration for future projects.
• Choice between full-time or part-time schedules.
• Office perks including weekly lunch, snacks, beverages, and a central location.