Full-Stack Developer (Fintech, Middle+ / Senior)

Full-Stack Developer (React/Next.js + Python/FastAPI) for fintech and crypto products, remote, full-time.

We are looking for a Full-Stack developer (React / Next.js + Python / FastAPI) to join a team developing financial and crypto products. You will be responsible for frontend and backend, participate in architectural and product decisions, and ensure the system is scalable, secure, and production-ready. Responsibilities: - Frontend development with React / Next.js - Backend development with Python / FastAPI - Work with Strapi CMS: API integrations and customization - Implementation of crypto and blockchain product logic: wallets, transactions, deposits and withdrawals, balances, token networks - Integration of crypto / blockchain APIs, exchanges, custodial providers, and Web3 services - Make technical decisions, participate in architectural discussions and code reviews - Ensure security and stability of the system, considering requirements for financial and crypto products

Requirements: - Experience in FinTech (mandatory) - Practical experience with Strapi CMS, including API integrations and customization - Solid experience with React / Next.js - Solid backend development experience with Python / FastAPI - Experience in making technical decisions, leading architectural discussions, and code reviews - Good understanding of building scalable, secure production-level systems - Good understanding of crypto and blockchain product logic: wallets, transactions, deposits/withdrawals, balances, token networks, and related processes - Understanding of security aspects relevant to financial and crypto products - Ability to work independently, take responsibility, and participate in technical and product decisions Nice to have: - Experience with trading, brokerage, payment, banking, or other financial products - Experience integrating crypto / blockchain APIs, exchanges, custodial providers, or Web3 services

Remote, full-time