Senior Data Scientist
RetailAI Corp.
Feb 2022 - Present
- Built customer churn prediction model using XGBoost and feature engineering on 15M+ customer records, achieving 92% accuracy and saving estimated $3.2M in annual revenue
- Developed product recommendation engine using collaborative filtering and deep learning embeddings, increasing cross-sell conversion by 28%
- Led team of 3 data scientists in building real-time fraud detection pipeline processing 2M+ transactions daily with a 97.5% precision rate
- Deployed models to production using MLflow, Docker, and AWS SageMaker, establishing the team's first standardized ML deployment pipeline
- Presented quarterly model performance reviews and business impact analyses to C-suite executives, directly influencing $5M+ in strategic investment decisions