[Job - 23874] Data QA Tester Engineer Job at CI&T in Elmhurst

Overview

We are tech transformation specialists, uniting human expertise with AI to create scalable tech solutions.With over 7,400 CI&Ters around the world, we’ve built partnerships with more than 1,000 clients during our 30 years of history. Artificial Intelligence is our reality.

Role

Data QA Engineer

Location: Hybrid / Philippines

Job Type: Full time, Permanent

Job Level: L3

Key Duties

• Validate data pipelines from raw (Bronze) through transformed (Silver) to curated (Gold) layers by executing SQL queries and comparing results against expected outcomes.
• Test BI reporting outputs (Power BI or equivalent) to ensure metrics, calculations, and filters align with business requirements.
• Execute test cases based on provided acceptance criteria, ensuring all key data flows are validated end-to-end.
• Identify, log, and track defects in Jira, working closely with developers and data engineers to resolve issues.
• Review acceptance criteria in user stories for testability and provide feedback to ensure clear and testable requirements.
• Maintain test scripts and SQL queries to support ongoing validation activities across multiple sprints.
• Participate in agile ceremonies including stand-ups, sprint planning, backlog refinement, and retrospectives to align testing priorities with delivery timelines.
• Collaborate with cross-functional teams including data engineers, BI developers, and product owners to ensure comprehensive test coverage.
• Raise risks or blockers early to minimise delivery impact and ensure prompt resolution.
• Keep testing documentation updated to reflect changes in data structures, pipelines, and reporting logic.
• Perform schema validation to ensure that source, staging, and curated layer tables match agreed data models and definitions.
• Verify data completeness and accuracy by comparing record counts, aggregations, and key field values across pipeline stages.
• Validate transformation logic by checking calculated measures, derived fields, and business rules implemented in the Silver and Gold layers.
• Support historical data load testing to confirm accuracy of migrated datasets from legacy systems.
• Assist in regression testing after pipeline or data model changes to ensure existing functionality is not impacted.
• Check data quality rules (e.g., null handling, duplicate removal, and formatting consistency) against agreed acceptance criteria.
• Test access controls and permissions to confirm that data security and governance requirements are being enforced.
• Perform sanity checks on production data post-deployment to confirm successful release outcomes.

Key Selection Criteria

• Strong communication skills with stakeholders of all levels
• Strong experience in testing native mobile apps for Android and iOS, including API, Responsive Website
• Experience in manual and exploratory testing
• Experience in writing test plans
• Experience in writing and running manual test cases
• Experience in at least one defect management tool
• Experience in a professional services environment, with illustrated success in building strong customer relationships and work within a cross product team
• Experience working in a fast-paced Agile environment
• A desire to achieve the best outcome for our clients
• Friendly, professional, self-motivated with a drive to learn
• Tertiary qualifications in IT or similar relevant qualifications highly desirable

Salary: ₱65,000 - ₱80,000 a month

Collaboration is our superpower, diversity unites us, and excellence is our standard.

We value diverse identities and life experiences, fostering a diverse, inclusive, and safe work environment. We encourage applications from diverse and underrepresented groups to our job positions.