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ETL Tester with 5+ years of data validation expertise
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Competencies
Performed ETL testing including data validation, profiling, and reconciliation to ensure data integrity.
Created complex SQL queries, stored procedures, and performed query validation for data analysis and testing.
Engaged in data quality assessments including row count verification, data reconciliation, and sample analysis.
Utilized tools like Power BI, SQL Developer, SSMS, and ETL tools such as Talend, Informatica, SSIS for data management and reporting.
Managed defect tracking via JIRA and documented test cases, bug reports, and test results.
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Summary
Experienced ETL testing professional with a strong background in data validation, SQL development, and BI reporting, supporting data integrity and quality assurance in finance and technology domains.
Key Achievements
- Generated comprehensive test cases and developed ETL test scripts according to specifications.
- Automated data validation processes using Python Pandas functions for heterogeneous database environments.
- Conducted end-to-end data quality validation, including row count verification, sample analysis, and reconciliation.
Experience
ETL Tester
Generated test cases by analyzing mapping documents from both the source and target environments., Developed ETL test scripts according to technical specifications and source-to-target mappings., Using Python Pandas Functions Like merge, read_csv, read_sql, Shape and much more for validating data...