Location: Poland (Permanent Employment), work model: hybrid.
About the Role
As an ETL (Extract, Transform, Load) Tester, you'll be instrumental in ensuring accurate, reliable, and high-performing data pipelines across systems. Your work will help maintain data integrity, ensure high-quality analytics, and empower data-driven decision-making.
- Develop and execute ETL test cases and strategies
- Perform source-to-target data validation for completeness and accuracy
- Validate transformation logic and verify business rule mapping
- Conduct data quality checks and anomaly detection
- Automate ETL testing using scripting languages
- Collaborate with cross-functional teams (data engineers, developers, analysts)
- Log and manage defects using tools such as JIRA, HP ALM, or TestRail
- Document test plans, results, and audit artifacts
- Participate in performance and volume testing
- Ensure data governance and compliance (GDPR, HIPAA)
- Support CI/CD workflows by integrating ETL tests into pipelines
- Strong experience in DW testing projects.
- Testing experience with Informatica Power Center or IDMC.
- ETL Data Testing experience with SQL.
- Teradata Database SQL knowledge
- Experience with test automation tools and scripting (Python, Shell).
- Knowledge of data governance, metadata, and lineage concepts.
- Understanding of cloud platforms (Azure preferred).
- Familiarity with CI/CD tools (Git, Jenkins) for test automation integration.
- Testing experience with Snowflake.
- Experience in automation testing, scripting.
- Certifications in Informatica IDMC or related data testing tools.
- Experience with performance testing of data pipelines.
- Exposure to big data platforms and cloud-native testing frameworks.
About our Candidate Privacy Statement: https://www.cognizant.com/careers_resources/Cognizant_Candidate_Privacy_Statement_English_version.pdf
Poznaj
Cognizant
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, building the bridge between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, realize tangible returns and keep global enterprises ahead in a fast-changing world. See how at www.cognizant.com or @cognizant.
