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ETL Tester

Persistent Systems

 

Pune, Maharashtra, India

Posted On: 30+ days ago
Experience: 5+ years
Availability: Hybrid
Openings: 1
Category: ETL Tester
Tenure: No Preference/Any
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Description

What You'll Do:

  • Perform end-to-end testing of ETL/data pipelines including source-to-target validation, transformations, aggregations, and business rule validations.
  • Create and execute test strategy, test plan, test cases, and test data for ETL workflows.
  • Validate data completeness, accuracy, consistency, integrity, duplicates, null handling, and reconciliation across systems.
  • Conduct data profiling, anomaly detection, and data quality checks using SQL and Python-based scripts.
  • Verify batch jobs scheduling outcomes and pipeline dependencies, including reruns and failure scenarios.
  • Perform back-end testing for data warehouses/lakes, reporting layers, and integration systems.
     

Expertise You'll Bring:

  • Strong experience in ETL Testing / Data Warehouse Testing / Database Testing
  • Proficiency in SQL and PL/SQL (complex queries, joins, subqueries, stored procedures validation)
  • Hands-on scripting with Python for test utilities, validations, or automation
  • Strong understanding of ETL concepts: source-to-target mapping, transformations, validations, reconciliation
  • Experience working with large datasets and ensuring data quality (accuracy/completeness/integrity)
  • Solid understanding of QA fundamentals: test design, defect lifecycle, regression, reporting

Education

Any Graduate

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