Data QA Engineer-Python/ETL/DWH Testing (Noida)

Required Skills - 5+ years of experience in Data QA / DWH Testing / ETL Testing. - Robust hands-on experience with SQL (Joins, CTEs, Window Functions, Aggregations, Stored Procedures). - Experience in Python for test automation, scripting, and data validation. - Strong understanding of ETL/ELT processes and data validation techniques. - Experience with Source-to-Target Mapping (STM) validation. - Good knowledge of Fact & Dimension Tables, Star Schema, and Snowflake Schema. - Experience working with enterprise Data Warehouse platforms (Snowflake, Redshift, Azure Synapse, BigQuery, Oracle, SQL Server, etc.). - Familiarity with ETL tools such as Informatica, Talend, SSIS, DataStage, or dbt is a plus. - Experience using JIRA, Git, and Agile methodologies. .