Data QA Tester Engineer

4 weeks ago


Quezon City, Philippines CI&T Software S.A. Full time

We are tech transformation specialists, uniting human expertise with AI to create scalable tech solutions. With over 7,400 CI&Ters worldwide, we have built partnerships with more than 1,000 clients over 30 years. Artificial Intelligence is our reality.

Location: Hybrid / Philippines

Job Type: Full-time, Permanent

Job Level: L3

Key Duties
  1. Validate data pipelines from raw (Bronze) through transformed (Silver) to curated (Gold) layers by executing SQL queries and comparing results against expected outcomes.
  2. Test BI reporting outputs (Power BI or equivalent) to ensure metrics, calculations, and filters align with business requirements.
  3. Execute test cases based on provided acceptance criteria, ensuring all key data flows are validated end-to-end.
  4. Identify, log, and track defects in Jira, working closely with developers and data engineers to resolve issues.
  5. Review acceptance criteria in user stories for testability and provide feedback to ensure clear and testable requirements.
  6. Maintain test scripts and SQL queries to support ongoing validation activities across multiple sprints.
  7. Participate in retrospectives to align testing priorities with delivery timelines.
  8. Collaborate with cross-functional teams including data engineers, BI developers, and product owners to ensure comprehensive test coverage.
  9. Raise risks or blockers early to minimize delivery impact and ensure prompt resolution.
  10. Keep testing documentation updated to reflect changes in data structures, pipelines, and reporting logic.
  11. Perform schema validation to ensure that source, staging, and curated layer tables match agreed data models and definitions.
  12. Verify data completeness and accuracy by comparing record counts, aggregations, and key field values across pipeline stages.
  13. Validate transformation logic by checking calculated measures, derived fields, and business rules implemented in the Silver and Gold layers.
  14. Support historical data load testing to confirm accuracy of migrated datasets from legacy systems.
  15. Assist in regression testing after pipeline or data model changes to ensure existing functionality is not impacted.
  16. Check data quality rules (e.g., null handling, duplicate removal, formatting) against acceptance criteria.
  17. Test access controls and permissions to confirm data security and governance requirements are enforced.
  18. Perform sanity checks on production data post-deployment to confirm successful release outcomes.
Key Selection Criteria
  • Strong communication skills with stakeholders of all levels.
  • Experience testing native mobile apps for Android and iOS, including API and Responsive Website testing.
  • Experience in manual and exploratory testing.
  • Experience in writing test plans and manual test cases.
  • Experience with at least one defect management tool.
  • Experience in a professional services environment, with success in building strong customer relationships and working within a cross-product team.
  • Experience working in a fast-paced Agile environment.
  • A desire to achieve the best outcomes for clients.
  • Friendly, professional, self-motivated, with a drive to learn.
  • Tertiary qualifications in IT or similar are highly desirable.

We value diverse identities and life experiences, fostering an inclusive and safe work environment. We encourage applications from diverse and underrepresented groups.

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