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Mid Senior Fullstack Developer
  • Warsaw
Mid Senior Fullstack Developer
Warszawa, Warsaw, Masovian Voivodeship, Polska
BlockyDevs sp. z o.o.
10. 10. 2025
Informacje o stanowisku

About BlockyDevs

We build end-to-end applications combining fintech-grade reliability with Web3 innovation.

Your Role

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.

Responsibilities

  • 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

Requirements

  • Strong backend skills in *Node.js/NestJS*

  • Solid frontend skills in React + TypeScript

  • Database and API integration knowledge

  • English at least *B2 level*

  • Ability to work 100% onsite from our office near Metro Plac Wilsona, Warsaw

Nice-to-have

  • Microservices and cloud deployment experience

  • Web3 integrations knowledge

Rates (B2B/Freelance)

  • Mid: 90 - 130 PLN/h

  • Senior: 120 - 180 PLN/h

Recruitment Process

1. Intro Call (30 min) – Quick chat about your experience, expectations, and our projects.

2. Technical Interview / Task – Backend (Node.js) and frontend (React) focus, with some discussion of smart contracts.

3. Final Meeting – Culture/fit + project discussion.

4. Offer – Fast decision if it’s a match.

5. Process usually takes 2–3 weeks .

6. Feedback after each stage within a few days

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