Python (pandas, numpy, scikit-learn), R, SQL, Tableau, Power BI, Excel, Power Point, Google BigQuery, AWS, Snowflake, PySpark, dbt, Git, ETL, Predictive Modeling, A/B Testing, Statistics, Machine Learning, NLP, Optimization, Root Cause Analysis, Causal Inference, Business Intelligence, Reporting, Recommendation Systems, Category Management, Agile/Scrum Practices