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William Balance

Warsaw

Freelance AI full-stack developer for Warsaw companies

Warsaw, a rising tech capital of Central Europe

Warsaw has quietly become one of the most important engineering cities in Europe. CD Projekt, headquartered in the Warsaw region, anchors a strong gaming cluster, with Techland, 11 bit studios and People Can Fly extending the scene across the country. Allegro dominates Polish e-commerce and runs ML in production at scale. DocPlanner, Booksy and Brainly have built international product companies from Warsaw, while mBank, Santander Polska and PKO BP drive a mature fintech and retail banking sector. Google, Microsoft, Intel and a long list of multinationals run serious AI and engineering teams here.

The Warsaw market is English-first at the senior level, cost-aware and ambitious. Local teams pair strong engineering culture with an appetite for fast delivery.

Known companies and institutions

  • CD Projekt and the wider Polish gaming and real-time graphics cluster
  • Allegro, DocPlanner and Booksy for AI-enabled product scale-ups
  • mBank, Santander Polska and the Warsaw fintech and banking sector

Relevant use cases for Warsaw

  • Copilots for retail banking and consumer fintech with compliance hooks
  • Recommendation and semantic search for marketplace and e-commerce platforms
  • Document intelligence for insurance, HR and healthcare booking workflows
  • Internal AI assistants for fast-scaling engineering and customer operations teams

Talking about a project

Warsaw runs 6 to 7 hours behind Seoul, so overlap sits nicely in your afternoon. Need a freelance AI developer in Warsaw to ship something real? Book a 30-minute intro on Cal.com or email directly.

Got a project?

30 free minutes to scope your need and figure out whether I am the right fit.

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