mamatha

I am an ETL Testing professional with more than six years of experience validating data, ETL pipelines, data warehouses, databases, APIs, and reporting tools. I have strong expertise in Oracle, Microsoft SQL Server, Redshift, BigQuery, Snowflake, Teradata, Informatica, SQL, and cloud data environments. I design, prepare, execute, and maintain test cases across functional, integration, and system testing. My experience includes data integrity and accuracy validation, count, null, duplicate, truncation, schema, filter, calculation, and mismatch checks, as well as testing shell scripts, Airflow DAG workflows, Power BI reports, Spotfire tools, and API implementations. I work effectively with development teams, customers, offshore teams, and Agile Scrum teams. I also contribute to sprint planning, daily status reporting, knowledge transfer, and training new team members, while bringing a sincere, enthusiastic, hardworking, and committed approach to every project.