This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Data Testing Engineer based in the United States. This role offers the opportunity to ensure the quality, accuracy, and reliability of critical data systems powering business operations. You will serve as a quality expert within an agile engineering team, collaborating with developers, product managers, and data engineers to validate complex data workflows. The position focuses on building robust testing strategies, automating validation processes, and improving data quality throughout the software development lifecycle. You will work on data-driven applications, ETL pipelines, APIs, and large-scale datasets while solving challenging technical problems. This is an ideal opportunity for an experienced testing professional who enjoys combining automation, analytics, and quality engineering. You will play a key role in delivering reliable solutions within a collaborative and innovation-focused environment.