• Experienced in developing, optimizing, and maintaining ETL workflows to extract, transform, and load data from various sources to ensure data quality and integrity.• Advanced knowledge of SQL for querying, manipulating, and managing data across relational databases, including performance tuning and optimization.• Optimized ETL workflows for performance and scalability.• Developed scripts to automate repetitive SQL tasks, improving efficiency and reducing manual intervention in data processes.• Developed and maintained data mapping logic from the various transactional sources to the data warehouse house model.