Andrzej Żurański is a Senior Data Scientist with a decade of cross-domain experience applying rigorous statistical modeling and machine learning to product and research problems, from CERN particle physics to Google Ads and Assistant. He favors elegant feature engineering and robust validation over flashy algorithms, routinely comparing classical statistical approaches with modern AI and publishing peer-reviewed work from his fellowship at Princeton’s Center for Statistics and Machine Learning. At Google he has driven LLM fine-tuning and win/loss analyses for Assistant and now measures publisher behavior and impact in Ads products, while earlier work delivered major ETA improvements and revenue-grade forecasting for rail clients. Comfortable with production systems and cloud automation (e.g., Auto-QChem for DFT pipelines), he combines experimental design, causal thinking and applied ML to turn messy data into defensible insights.
10 years of coding experience
9 years of employment as a software developer
Master's degree Physics, Master's degree Physics at Jagiellonian University
Doctor of Philosophy (PhD) Elementary Particle Physics, Doctor of Philosophy (PhD) Elementary Particle Physics at Princeton University
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Andrzej Żurański - Senior Data Scientist - Product