Frontend Engineer (React, Typescript)

Warszawa / Zdalniemid

EngineeringFrontend Developer

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Quick Summary

Key Responsibilities

Advanced business logic on the frontend side - working with large data volumes, complex transformations,

Requirements Summary

Must have: React (advanced level) and TypeScript (advanced level) - hooks, Context API, performance optimization, typing of components, hooks, Redux actions and reducers,

Technical Tools

EngineeringFrontend Developer

What you work on today shapes where you’ll be tomorrow.

Looking for your next challenge as a Frontend Engineer? We may have the right opportunity for you.

At B3, we start with people and their experience. We match projects to your skills and professional growth path. Our consultants work across a wide range of industries and technologies, delivering IT projects both in Poland and internationally. This allows you to build your career in a deliberate way - not by chance.

We are part of an international organization listed on Nasdaq Stockholm, operating in 11 countries. In Poland, we operate with full autonomy. We choose our technologies, processes, and ways of working while maintaining the highest professional standards.

Join us today.

What We Offer

~1 min read

✓Work in a Scandinavian culture built on logic, trust, and open dialogue.

✓Health and sports benefits tailored to your needs.

✓Speed Coaching – short sessions designed to provide new perspectives and solutions.

✓Sports training, an internal team, and opportunities to take part in competitions.

Requirements

~1 min read

Nice to Have

~1 min read

Background extending beyond pure frontend (e.g., backend or systems-level programming experience)
Experience or natural inclination for manual testing - finding edge cases and breaking applications (the team shares QA responsibilities)
Experience with end-to-end testing frameworks
Familiarity with embedding frontend UI as a panel within a desktop application