A Data Transformation Developer designs, builds, and manages the conversion processes for data systems. They focus on transferring data from one format or structure into another, ensuring data integrity and consistency across various databases. They're skilled in ETL (Extract, Transform, Load) processes, SQL, Python, and data warehousing. They also develop and maintain data pipelines, perform data cleansing, and create data models. Their role involves troubleshooting data-related issues and optimizing data systems for better efficiency. They work closely with data analysts and data scientists to understand and fulfill data requirements, thereby supporting data-driven decision making.