Responsibilities :
Analyze business requirements, source-to-target mappings, and data models. Develop test plans, test scenarios, test cases, and test scripts for ETL processes. Validate data extraction, transformation, and loading between source and target systems. Perform Data Warehouse, ETL, Data Migration, Regression, and Integration Testing. Verify data quality, data integrity, data reconciliation, and data completeness. Execute SQL queries for data validation and backend testing. Identify, track, and resolve data-related defects. Validate large-scale datasets and data pipelines. Collaborate with ETL developers, data engineers, business analysts, and stakeholders. Participate in Agile/Scrum ceremonies and release testing activities. Generate test execution reports and quality metrics.