Business Intelligence Tester
At a glance
Why this role might suit you
The role focuses on validating large data sets, testing ETL pipelines and BI reports, requiring strong SQL expertise and experience with data‑warehousing tools such as Informatica, Talend, Power BI and Tableau. Candidates with Python or shell scripting and cloud platform exposure
Skills
About the role
Must-Have Skills
1. SQL & Data Validation
• Strong SQL querying (joins, aggregations, complex queries)
• Ability to validate large datasets across source & target systems
2. ETL Testing
• Experience in testing ETL pipelines (Informatica, Talend, SSIS, etc.)
• Understanding of data flow, transformations, and mapping validation
3. Data Warehousing Concepts
• Knowledge of star/snowflake schemas, fact & dimension tables
• Understanding of OLAP systems and data models
4. BI/Reporting Testing
• Testing dashboards/reports in tools like Power BI, Tableau, Cognos
• Validating KPIs, drill-downs, filters, and visualisations
Nice-to-Have Skills
1. Automation in Testing
• Experience with Selenium / API automation / scripting for data validation
2. Programming/Scripting
• Python / Shell scripting for data validation or automation
3. Cloud/Data Platforms
• Exposure to Azure, AWS, Snowflake, or Databricks
4. Domain Knowledge
• BFSI or any relevant domain (especially useful for your current portfolio like Mastercard/Nedbank context)
Bonus
Questions about this role
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