Data Science Leader and Engineer

Data Science Leader with 5+ years of experience at Eastern Europe's largest e-commerce platform (Allegro), specializing in advanced analytics, A/B testing and data engineering (GCP). Architected an enterprise-scale experimentation platform processing terabytes of daily data. Mathematics and Physics graduate from Poland's top university, with research experience in quantum computing and brain-computer interfaces. Combine strong mathematical foundation (Mathematics Olympiad finalist) and practical engineering skills to solve complex business problems. Proven track record in leading technical teams and implementing data-driven solutions at scale.