QA Data

Job Description

- Perform data quality testing, including checks for completeness, accuracy, validity, and consistency.

- Identify missing values, nulls, duplicates, outliers, and other data anomalies.

- Create test cases and test scenarios for data pipelines, data warehouses, ETL/ELT processes, and data APIs.

- Validate data mappings, business rules, and transformation logic.

- Document test results, issues, and findings in a clear and structured manner.

- Work closely with data engineers and analysts to understand data flow and resolve data quality issues.

- Monitor data quality trends and highlight recurring problems.

- Support the team in improving data validation processes and test coverage.

Qualifications

- Understanding of data warehouse and data mart concepts.

- Understanding of ETL/ELT principles.

- Basic SQL skills (e.g., simple SELECT, WHERE, and GROUP BY queries).