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Conduct ETL validation using Informatica, Ab Initio, and SSIS to ensure data accuracy and integrity during data transfers.Develop and execute test cases based on business and functional requirements, ensuring thorough coverage and quality assurance.Perform backend testing using Oracle SQL Server, retrieving and validating data to ensure ETL processes generate expected results.Utilize complex SQL queries to fetch data from front office database systems and validate data in target… Show more Conduct ETL validation using Informatica, Ab Initio, and SSIS to ensure data accuracy and integrity during data transfers.Develop and execute test cases based on business and functional requirements, ensuring thorough coverage and quality assurance.Perform backend testing using Oracle SQL Server, retrieving and validating data to ensure ETL processes generate expected results.Utilize complex SQL queries to fetch data from front office database systems and validate data in target data warehouses.Automate regression test cases where applicable to improve efficiency and test coverage. Show less