ML Engineer
REDi Ai
Dec 2020 — Feb 2022Built ML pipelines for risk scoring, fraud detection, and user behavior modeling in financial transaction and customer analytics use cases. Improved fraud detection performance by increasing F1-score by 15% through feature engineering, model validation, and iterative experimentation. Deployed time-series forecasting models (SARIMA, Prophet) for transaction-volume and liquidity prediction, reducing MAPE by 20%. Designed feature engineering workflows for financial signals (rolling statistics, volatility, seasonality, anomaly detection), decreasing false positives in fraud triggers..