Data Testing

Required Skills

Mandatory Skills •Strong experience in ETL Testing / Data Warehouse Testing •Excellent knowledge of SQL (joins, subqueries, functions, aggregations) •Hands-on experience in Database Testing (Oracle / SQL Server / MySQL / PostgreSQL) •Understanding of ETL tools such as Informatica, Ab Initio, Talend, Data. Stage, SSIS, or similar •Knowledge of data warehousing concepts (facts, dimensions, star/snowflake schema) •Experience in validating source-to-target mappings (STTM) Good to Have •Experience with Big Data / Cloud data platforms (AWS, Azure, Snowflake, Redshift, Big.

Query) •Knowledge of Unix/Linux commands •Experience in Automation for ETL testing (Python, Shell, or any ETL automation framework) •Exposure to Agile/Scrum methodology •Familiarity with data quality tools