Data Quality Assurance Tester - 12 Month FTC

WE CAN ONLY CONSIDER APPLICANTS THAT HAVE LIVED IN THE UK FOR 5 CONSECUTIVE YEARS OR MORE DUE TO STRICT SECURITY CLEARANCE REQUIREMENTS. SC AND NPPV3 CLEARANCE IS ESSENTIAL. We are seeking a detail-driven QA Tester to join our team on a large-scale data migration project. You’ll play a critical role in ensuring that migrated data meets the highest quality standards, profiling data, writing and executing quality rules, and championing data integrity across all dimensions of the data quality framework. Key Responsibilities: - Carry out in-depth data profiling on source and target systems to validate data before, during, and after migration. - Define, document, and execute data quality rules to ensure data meets business and regulatory requirements. - Ensure all data quality dimensions (accuracy, completeness, consistency, timeliness, validity, uniqueness) are met. - Provide feedback to data engineers to remediate issues quickly. - Write and run SQL queries (MySQL) to test and validate large datasets. - Write database logic as stored procedures and functions. - Document findings and communicate results clearly to stakeholders. - Act as a data quality champion, promoting its importance across the project team. - Proven experience in QA testing on large-scale data migrations within the public sector. - Strong SQL skills. - Excellent attention to detail and problem-solving skills. - Clear communicator, able to translate technical issues for non-technical audiences. - Understanding of data transformations, ETL workflows, and migration processes. - Experience with data quality tools such as Great Expectations, Microsoft Purview and YData-Profiling. - Experience testing BI Dashboards Desirable: - Familiarity with Oracle or other relational databases. - Experience in case management or enterprise systems.