An Entry Level ETL Developer is responsible for designing, developing, and maintaining ETL (Extract, Transform, Load) processes to move data from various sources to a data warehouse or other storage systems. They work with databases, data mapping, and ETL tools like Informatica, Talend, or SQL Server Integration Services (SSIS). Their role includes ensuring data accuracy, optimizing performance, and troubleshooting ETL pipelines. Typically, they collaborate with data analysts, engineers, and business stakeholders to support data-driven decision-making.