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Job Description
- SQL & Data Validation • Strong SQL querying (joins, aggregations, complex queries) • Ability to validate large datasets across source & target systems
- ETL Testing • Experience in testing ETL pipelines (Informatica, Talend, SSIS, etc.) • Understanding of data flow, transformations, and mapping validation
- Data Warehousing Concepts • Knowledge of star/snowflake schemas, fact & dimension tables • Understanding of OLAP systems and data models
- BI/Reporting Testing • Testing dashboards/reports in tools like Power BI, Tableau, Cognos • Validating KPIs, drill-downs, filters, and visualisations