Senior Frontend Developer
B3 Consulting PolandWarsaw, Masovian Voivodeship, Poland
Posted February 16, 2026
Full Time
About the Company
B3 Consulting Poland is a company that develops a modern Retail Media platform, aiming to make the world a better place through technology.
Job Description
Join B3 Consulting Poland as a Senior Frontend Developer and work on a modern Retail Media platform, developing a central portal for managing advertising campaigns. Apply now to join our team in Warsaw, Poland.
Requirements
- 7+ years of experience in React (hooks, Context API)
- Comfortable working with TypeScript (ES6+)
- Understanding and designing micro-frontend architecture
- Able to mentor junior developers
- Good English skills (min B2)
Benefits
- Benefits in the health and sports area tailored to your needs
- Free running and swimming training, internal triathlon team, joint competitions (Warsaw)
- Mature engineering culture based on quality and cooperation
- Stable, long-term cooperation
- Environment without unnecessary politics - focused on solutions