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Senior Developer (Full Stack Developer)
  • Warsaw
Senior Developer (Full Stack Developer)
Warszawa, Warsaw, Masovian Voivodeship, Polska
BlockyDevs sp. z o.o.
2. 2. 2026
Informacje o stanowisku

We build end-to-end applications combining fintech-grade reliability with Web3 innovation. As a Fullstack Developer, you’ll primarily work with Node.js on the backend, React on the frontend, and occasionally contribute to smart contract development. Develop backend services with *Node.js (NestJS/Express)** Build frontend apps with *React/Next.js + TypeScript** Work with databases (PostgreSQL, MongoDB) and APIs Occasionally contribute to smart contracts (EVM/SVM) Collaborate with design, backend, and blockchain teams Strong backend skills in Node.js/NestJS At least 5 years of experience in backend applications Solid frontend skills in React + TypeScript Database and API integration knowledge English at least B2 level Nice-to-have Rates (B2B/Freelance)
~ Intro Call (30 min) – Quick chat about your experience, expectations, and our projects.
Technical Interview / Task – Backend (Node.js) and frontend (React) focus, with some discussion of smart contracts.
Final Meeting – Culture/fit + project discussion.
Offer – Fast decision if it’s a match.

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