ETL / Data Tester

Key Responsibilities :

Validate ETL / ELT processes, data pipelines, and data warehouses / lakes for accuracy, completeness, and performance.

• Develop and execute manual and automated test cases for data validation.
• Create and maintain SQL queries to test transformations, aggregations, and business rules.
• Ensure data quality standards (accuracy, consistency, timeliness, integrity) are met.
• Perform source-to-target data validation, schema validation, and reconciliation testing.
• Collaborate with data engineers and developers to resolve defects and improve pipeline reliability.
• Validate data in reports, dashboards, and BI tools against backend sources.
• Participate in test planning, estimation, and reporting activities.
• Document test cases, data quality checks, and test outcomes clearly.
• Contribute to continuous improvement of test automation for data quality.

Required Skills & Experience :

Desirable Skills :

(ref : hirist.tech)