BALAJI VARMA NAGALLAPATI

Quality Assurance with 3.6 years of experience in ETL testing and automation at Cognizant Technology Solutions. Expertise in designing and executing data validation scripts, ensuring accuracy in ETL processes. Achieved significant workflow optimization through automation of validation scripts, reducing manual efforts. Proficient in SQL and conducting data integrity checks.

• AWS Certified Cloud Practitioner

The Hartford:

Worked on ETL testing for The Hartford, ensuring data accuracy and integrity across multiple systems. Designed and executed test cases for data migration, transformation, and validation.

Royal Bank of Canada (RBC):

Worked on ETL testing for The Hartford, ensuring data accuracy and integrity across multiple systems. Designed and executed test cases for data migration, transformation, and validation.

• Analyze business requirements and data mapping documents to define ETL testing objectives
• Develop and execute test cases for data extraction, transformation, and loading processes
• Validate data accuracy, integrity, and consistency across multiple sources and destinations
• Identify, report, and track defects, collaborating with developers for resolution
• Automate test scripts to improve efficiency and reduce manual testing efforts
• Validate data transformations to meet business rules and requirements
• Conduct end-to-end testing of ETL workflows, ensuring seamless data flow
• Monitor ETL job executions, identifying failures, and optimizing performance
• Develop and maintain test scripts for automated data validation
• Provide detailed reports on test and defect analysis