Data QA Tester Engineer

3 weeks ago

Metro Manila Philippines CI&T Full time

Overview

CI&T National Capital Region, Philippines

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.

Location: Hybrid / Philippines

Job Type: Full time, Permanent

Job Level: L3

Base pay range

This range is provided by CI&T. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Note: We are tech transformation specialists, uniting human expertise with AI to create scalable tech solutions.

Responsibilities
  • 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.
  • 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 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 outcome for our clients
  • Friendly, professional, self-motivated with a drive to learn
  • Tertiary qualifications in IT or similar relevant qualifications highly desirable
Seniority level
  • Not Applicable
Employment type
  • Full-time
Job function
  • Quality Assurance
Industries
  • IT Services and IT Consulting
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