Keerthana Selvi

ETL Tester

ETL Tester with 4 years of professional experience in ETL Testing, Database Testing, and Data Warehouse Validation. Strong expertise in SQL, Oracle, Talend, and Unix, with hands-on experience in source-to-target validation, ETL transformation testing, data migration, and backend data verification. Skilled in validating business rules, mapping documents, Fact & Dimension tables, and SCD implementations to ensure data quality and integrity. Proven ability to work in Agile environments, execute end-to-end testing, and deliver defect-free ETL solutions within project timelines.

[email protected] 9942888200 Erode,Tamilnadu.

Skills

Work Experience

QA Test Engineer

Azentio Software

Oct 2020 — Apr 2023Chennai

Executed end-to-end testing activities including functional, regression, integration, and system testing.
Identified critical defects and collaborated with cross-functional teams for timely resolution.
Improved application quality through effective defect tracking and root cause analysis.
Performed database validation using SQL to ensure data accuracy and integrity.
Successfully supported multiple application releases in Agile environment with high-quality deliverables.

ETL Tester

Hexaware Technologies

Mar 2023 — PresentCurrentChennai

Spearheaded performance testing on ETL processes, enhancing execution speed by 25%, which accelerated data delivery timelines
Engineered automated test scripts, cutting manual testing duration by 40% and significantly boosting overall testing efficiency
Validated high-volume banking transaction data through end-to-end ETL testing and source-to-target reconciliation.
Developed optimized SQL queries for backend data validation, improving testing efficiency.
Identified critical ETL defects and ensured accurate implementation of business transformation rules.
Validated customer, account, and transaction data across Data Warehouse systems.

Skills

Education

Bachelor of Science, Information Technology

Kongu Engineering College

2012 — 20157.8 / 10