Nagarajan I.

Senior Informatica ETL, DIH developer Generally, ETL developers design, develop, automate, and support complex applications to extract, transform, and load data. To be more exact, the duties of ETL developers are as follows: Identifying data storage requirements. ETL developers determine the storage needs of the company. They need a bird's eye view of the data situation to choose the best suiting option. Building a Data Warehouse. After figuring out the needs, the ETL developers build a data warehouse tailored to an organization's needs. Building reliable data pipelines: a sum of tools and processes that bring data to the user. Pipelines connect data between systems and transfer it from one format into another. ETL processes. Once the data warehouse is complete, the ETL developer extracts the data and delivers it to the new system. Quality Assurance. After the warehouse gets off the ground, the ETL developers run tests to ensure its stability. Debugging. ETL developers rectify all problems with the warehousing system.