Key Responsibilities

• Validate data accuracy between source systems and target systems
• Test ETL / ELT pipelines and data transformations
• Write SQL queries to verify data integrity
• Create and execute test cases for data validation
• Perform regression testing on data changes
• Identify, document, and track data defects
• Collaborate with Developers, Analysts, and Product teams
• Validate dashboards (Power BI / Tableau / Looker, etc.)
• Monitor data quality metrics and generate reports
• Automate data validation checks where possible

Required Skills

Technical Skills

• Strong SQL knowledge (joins, aggregations, window functions)
• Understanding of databases
• Experience testing ETL tools.
• Basic understanding of data warehousing concepts (Star/Snowflake schema)
• Experience with Python with Selenium and Pytest.
• Knowledge of API testing