Maria Levina

ETL Tester

Talent

ChennaiMember since May 16, 2026

OracleSQL ServerSQLUNIXETL TestingSSISJIRAInformaticaTableauSDLCSTLCAgileWaterfallSanity testingRetestingData transformationReferential integrity validationIICS

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OracleSQL ServerSQLUNIXETL Testing

About

ETL Tester with around 4 years of experience in data warehousing, ETL validation, and BI reporting. Proficient in Oracle SQL, SQL Server, UNIX, IICS, and SSIS. Skilled in SDLC/STLC, Agile, and Waterfall methodologies.

Expertise in functional, regression, smoke, sanity, and retesting. Strong experience in data transformation, reconciliation, and referential integrity validation. Hands-on experience in analyzing mapping sheets, executing complex SQL queries, and delivering accurate data solutions.

Experienced in JIRA defect tracking, Tableau dashboards, and sprint planning activities. Ability to ensure high quality data delivery and seamless project execution.