Data Quality Assurance

About the role

We are looking for a Data Quality Assurance specialist to perform functional software testing and ensure data integrity across our applications and BI dashboards.

Key responsibilities

• Execute black‑box testing and validate end‑to‑end user scenarios.
• Design and implement data quality rules such as null constraints and uniqueness across multi‑table datasets.
• Write complex SQL queries and Python scripts for automated data validation, reconciliation and integrity checks.
• Analyze data pipelines and verify consistency between MySQL/PostgreSQL databases and QuickBI dashboards.
• Collaborate with Data Engineers, Data Analysts and Product Owners to identify anomalies, conduct root‑cause analysis and enforce data quality standards.

Required profile

• Basic to intermediate experience in functional testing, including creating test scenarios and reporting defects.
• Strong proficiency in complex SQL for multi‑table reconciliation, null/uniqueness handling and window functions.
• Proficient in Python for data manipulation and test automation.
• Understanding of data quality criteria, data quality rule creation and ETL/ELT workflows.
• Familiarity with Business Intelligence tools such as QuickBI.

Required skills

• Functional testing
• SQL (MySQL, PostgreSQL)
• Python
• QuickBI (or similar BI tools)