Senior Data Scientist
CurrentAs a Senior Data Scientist, I led end-to-end projects, from business understanding through to the development, deployment, and monitoring of machine learning systems. My role involved presenting results to stakeholders and providing technical leadership by mentoring colleagues, conducting code reviews, and delivering training sessions.Some of my key achievements include:- Developed a credit risk model for credit card origination that reduced delinquency by over 20% for a… Show more As a Senior Data Scientist, I led end-to-end projects, from business understanding through to the development, deployment, and monitoring of machine learning systems. My role involved presenting results to stakeholders and providing technical leadership by mentoring colleagues, conducting code reviews, and delivering training sessions.Some of my key achievements include:- Developed a credit risk model for credit card origination that reduced delinquency by over 20% for a Brazilian bank while maintaining the same approval rate.- Optimized credit card limits through cash-flow modeling for the same bank.- Built a collection score for a multinational logistics company, increasing the KS score by 15 points and achieving estimated annual savings of over $100,000.- Replaced an existing credit model for a Brazilian bank for vehicle purchases, maintaining performance while reducing spending on external data providers, resulting in annual savings of R$1.2 million. Show less
