Wojciech Kierzkowski

A confident AI answer and a wrong one look identical. This guide breaks down the interface work behind trustworthy AI products: showing where an answer came from, signaling confidence honestly, and placing review checkpoints where a mistake actually costs something.

Rebuilding isn't the default answer. Here's how to retrofit AI into an existing product - and when it actually makes sense to rebuild.

What to decide before building an AI MVP - from data readiness and model choice to fallback behavior and kill criteria.

GDPR compliance built in by default. The deepest Java talent pool in Europe. Senior engineers at rates Western Europe can't match. Here's why AI-agent-driven technical debt reduction increasingly runs out of Poland.

Netflix built its only engineering hub outside the U.S. in Poland. See what that says about hiring an engineering team in Poland, and what to ask first.