Wrote and optimized SQL queries to clean, transform, and validate multi-source datasets, improving data accuracy and reducing manual processing time. Built interactive dashboards on Apache Superset to visualize key metrics such as performance trends, operational KPIs, and regional comparisons—regularly used by managers for weekly decision-making. Generated actionable insights and automated analytical reports, enabling business teams to track performance, identify anomalies, and take data-driven decisions faster. Collaborated with cross-functional analysts to define metrics, validate data logic, and ensure consistency across dashboards and reports.