Data Warehouse Testing

Job description

Educational Requirements Bachelor of Engineering Service Line Infosys Quality Engineering Responsibilities • Lead end-to-end Data Warehouse Testing (DWT) initiatives across multiple projects, ensuring high data quality and integrity. • Design, plan, and execute test strategies and test plans for data warehouse and ETL components based on business and technical requirements. • Validate data mapping, data transformations, aggregations, and data movement from source to staging, DWH, and downstream systems. • Develop and maintain comprehensive test cases, test scenarios, and test data sets for DWT and ETL testing. • Perform functional, regression, system integration, and user acceptance support testing for data warehouse solutions. • Analyze complex SQL queries and datasets to identify data discrepancies, defects, and root causes. • Collaborate with ETL developers, data modelers, and business analysts to clarify requirements and resolve defects efficiently. • Establish and enforce quality standards, best practices, and processes for data testing within the team. • Provide technical leadership and mentoring to junior testers, guiding them on DWT and ETL testing techniques and tools. • Prepare clear test reports, defect metrics, and quality dashboards for stakeholders and project leadership. • Participate in design and code review discussions from a quality perspective, highlighting potential data quality risks. • Coordinate with cross-functional teams to ensure timely test execution and alignment with project timelines and release plans. • Position will be based on business requirements across locations. Technical and Professional Requirements: Primary skills: Cloud testing->AWS Testing, Data Services->DWT (Data Warehouse Testing)/ (ETL), Data Services->TDM (Test Data Management), Data Services->TDM (Test Data Management)->Delphix, Data Services->TDM (Test Data Management)->IBM Optim, Database->PL/SQL, Package testing->MDM, Python Desirables: Bigdata->Python Preferred Skills: Technology->ETL Data Quality->ETL - Others Generic Skills: Technology->ETL Data Quality->ETL Data Quality - ALL->Jaspersoft - Jaspersoft ETL