Manual QA Engineer - 1 day a week in the office - £450 outside IR35 La Fosse has partnered with a London-based client looking for an experienced Manual QA to support a 6-month data integrity project . This is a fantastic opportunity to play a key role in ensuring data accuracy and reliability within a dynamic team. Key responsibilities: Proven experience in testing data migrations, database implementations, and Data Lake environments . Strong SQL skills , with the ability to write complex queries for data validation and testing . Proficiency in data validation techniques and troubleshooting data quality issues . Familiarity with cloud environments (especially Azure ). Experience or knowledge of test automation tools and frameworks . Understanding of performance testing methodologies to assess database load and system scalability . Excellent analytical skills , attention to detail, and a commitment to delivering high-quality results. Strong communication and collaboration skills to work effectively with cross-functional teams This role does not offer sponsorship and requires candidates to have the correct eligibility to work in the UK . If this role is of interest please click on the link to apply