Responsibilities :
Analyze business requirements, source-to-target mapping documents, and data models. Design and execute ETL test cases and test scenarios. Validate data extraction, transformation, and loading processes. Perform source-to-target data validation and reconciliation. Verify data completeness, accuracy, integrity, and consistency. Execute functional, regression, system, and integration testing. Create complex SQL queries for data validation. Identify, document, and track defects using defect management tools. Validate data warehouse, data marts, and reporting systems. Perform backend database testing. Collaborate with developers, business analysts, data engineers, and stakeholders. Participate in Agile/Scrum ceremonies.