SDET will apply an engineering-first quality mindset by designing reusable test automation frameworks, developing data validation utilities, integrating testing into CI/CD pipelines, and using white-box testing techniques to validate complex data transformations, business rules, data lineage, integration logic, and performance quality before issues impact production. This role partners closely with Data Engineering, Data Governance, Analytics, AI, Product, and Technology teams to design and implement automated testing solutions across data lakes, data warehouses, cloud data platforms, and reporting environments.