Data Engineer - Testing

Job Description: Perform ETL and data validation testing across source, staging, and target systems. Validate data completeness, accuracy, transformation rules, and data integrity. Develop and execute SQL queries for data validation, reconciliation, joins, and backend testing. Test ETL workflows and data pipelines using tools such as Informatica, SSIS, Talend, etc. Identify, analyze, and troubleshoot data mismatches, defects, and transformation issues.