Senior Data QA Engineer - Manual Testing & SQL Validation

QualityAI is seeking a Sr. Manual QA Engineer (Data‑Focused) to join our Argentina-based remote team. The role emphasizes data validation, test coverage accuracy, and QA across data-centric workflows within the client’s application ecosystem.

You will perform manual testing of features and data flows, develop test cases, validate data with SQL, and document defects in ADO, ensuring end-to-end data integrity and regression coverage. Collaboration with developers and product owners is essential.