An Amazon ETL Developer is responsible for designing, developing, and maintaining ETL (Extract, Transform, Load) processes to manage data pipelines in Amazon Web Services (AWS). They work with tools such as AWS Glue, Redshift, and Lambda to automate data workflows and ensure efficient data integration. Their role includes optimizing data storage, ensuring data quality, and collaborating with data engineers and analysts. Typically, they must have expertise in SQL, Python, and cloud-based ETL solutions.