Selected work.

An end-to-end compensation benchmark for data and AI professionals worldwide: contract-tested ETL, statistical rigor (hypothesis testing, bootstrap confidence intervals), purchasing-power adjustment, business SQL queries and an interactive Power BI dashboard.

An end-to-end churn prediction system spanning EDA to production: model selection, experiment tracking, drift monitoring, champion/challenger retraining, explainable serving, and a business-value calculation to prioritize retention.

A Medallion-architecture data pipeline (Bronze → Silver → Gold) for e-commerce data, built with Polars and DuckDB and orchestrated with Airflow. A work in progress focused on demonstrating end-to-end data engineering.