# whoami
piotr sienkiewicz
software engineer · genai & ml · 20+ years
# status
- currently
- GenAI @ OLX
- location
- krakow, poland
# work
- now
- GenAI @ OLX — real-estate search chatbot, backend in Python, Go & AWS.
- before
- ML & computer vision at Obido (OLX Group) — customer-churn and time-to-sell models, visual floor-plan matching.
# bio
Software engineer, 20+ years — from C/C++ and PHP to full stack, then into data and ML, with 10+ years on AWS. Architect roles across Poland, the UK and the US.