Summary
Denner Vieira is a Senior Data Scientist with 7+ years of experience building production-grade ML systems, currently focused on fraud detection at leading financial institutions. He has a proven track record of translating complex business problems into end-to-end solutions that prevented multimillion-dollar losses and reduced operational overhead through automation and real-time monitoring. Holding a Ph.D. in Physics with an international research stint in Finland, he brings strong mathematical modeling and cross-domain analytical experience—from ecological geospatial analysis to epidemiological forecasting. Formerly a university lecturer, he combines technical depth with clear communication, mentoring teams in Python, data analysis, and model interpretation. He thrives at the intersection of research and production, delivering measurable impact by aligning models with regulatory and business objectives. Notably, his background in physics and diverse academic publications inform a rigorous, hypothesis-driven approach to tackling fraud and risk problems.
7 years of coding experience
3 years of employment as a software developer
Ph.D. Physics, Ph.D. Physics at Universidade Estadual de Maringá