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To assess hire power bi developer expertise, ask them to demonstrate their previous work, either through a portfolio of dashboards or a live demo. Pose scenario-based questions where they explain how they would handle specific business challenges, such as improving performance or integrating multiple data sources. Technical tests or assignments that include building a simple dashboard with specific metrics can further help evaluate their skills in Power Query, DAX, and visualization techniques.
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To assess hire power bi developer expertise, ask them to demonstrate their previous work, either through a portfolio of dashboards or a live demo. Pose scenario-based questions where they explain how they would handle specific business challenges, such as improving performance or integrating multiple data sources. Technical tests or assignments that include building a simple dashboard with specific metrics can further help evaluate their skills in Power Query, DAX, and visualization techniques.