The main task of an ETL developer, or a dedicated team of developers, is to: Outline the ETL process, setting the borders of data processing Provide system architecture for each element and the whole data pipeline Document the requirements of the system and manage its development Take part in the actual development/implementation of ETL tools

ETL Developers are primarily responsible for designing and creating data storage systems, troubleshooting and debugging data and system issues, and analyzing and enhancing systems performance. They often deal with large-scale data, extracting, transforming, and loading it to facilitate the company’s unique data needs.

A few responsibilities of an ETL developer include: Understand the data needs and unique challenges of the client to create a developmental strategy for a solution. Ensure data accuracy. Create a solution to make data more organized and accessible, allowing for easier data consumption and understanding from non-technical people.

Responsibilities for ETL Ensure accuracy and integrity of data and applications through analysis, coding, documentation Identification of data issues, analysis of underlying problems and recommendations for solutions Develop test cases and data sets for testing accuracy and completeness of ETL jobs

Responsibilities for ETL developer Codes, tests and delivers application enhancements and project build deliverables Work with business requirements to identify and understand source data systems Map source system data to data warehouse tables Provide support and maintenance on ETL processes and documentation