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ETL Tester

Persistent Systems

 

Pune, Maharashtra, India

Posted On: 15+ days ago
Experience: 5+ years
Availability: Onsite
Openings: 1
Category: ETL Tester
Tenure: No Preference/Any
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Description

You will own end-to-end testing of ETL and data pipelines, ensuring data accuracy, completeness, and integrity across systems.

This role is on-site.

Responsibilities

  • Perform source-to-target validation, transformation logic checks, and business rule verification for data pipelines.
  • Develop and execute test strategies, plans, cases, and test data for ETL workflows and batch jobs.
  • Validate data quality metrics including consistency, duplicate handling, null management, and reconciliation.
  • Conduct data profiling and anomaly detection using SQL and Python-based scripts.
  • Verify pipeline dependencies, scheduling outcomes, and failure scenario reruns for data warehouses and lakes.

Required Skills

  • 5+ years of experience in ETL Testing, Data Warehouse Testing, or Database Testing.
  • Proficiency in SQL and PL/SQL, including complex queries, joins, subqueries, and stored procedure validation.
  • Hands-on scripting experience with Python for test utilities, validations, or automation.
  • Strong understanding of ETL concepts: source-to-target mapping, transformations, and reconciliation.
  • Experience working with large datasets and ensuring high data quality standards.
  • Solid grasp of QA fundamentals: test design, defect lifecycle, regression testing, and reporting.

Education

Any Graduate

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