SQL (MySQL, Oracle), Python, R, AWS (S3, Glue, RDS, Lambda, Redshift, Athena), ETL Pipelines, Data Lake Architecture, Predictive Analytics, Risk Modeling, Machine Learning, Statistical Analysis, Forecasting, Power BI, Tableau, Advanced Excel, KPI Dashboards, Automated Reporting, Git, JIRA, Hadoop, MATLAB, RStudio, Google Colab