Lead QA strategy for ETL and Data Warehouse testing on AzureDesign and execute test cases for data ingestion, transformation, and storagePerform functional, integration, and regression testingValidate data accuracy and reconciliation using advanced SQL queriesImplement automated data testing using Python and PySparkPerform hands-on testing for pipelines built on Azure DatabricksCollaborate with cross-functional teams including data engineers and product ownersManage defects, test execution, and reporting activitiesDrive continuous improvement in QA processes and automationProvide mentoring and technical guidance to QA team members