Power BI Developer Interview Questions & Video Screening

Introduction

Hiring the right Power BI Developer is critical for IT teams that need reliable reporting, accurate analytics, and scalable business intelligence solutions. A strong developer ensures data models, measures, and reports support decision-making across the organization.

This guide provides role-specific interview questions for Power BI Developer positions, including basic, intermediate, and advanced prompts. It also includes five pre-screening one-way video interview questions ideal for screening candidates using ScreeningHive.

Power BI Developer Interview Questions

Basic Power BI Developer Interview Questions

• What are the main components of Power BI, and how do they interact?
• Explain the difference between a report and a dashboard in Power BI.
• What is the difference between a calculated column and a measure?
• Describe the role of relationships in a data model and the difference between one-to-many and many-to-many relationships.
• What is DAX, and when would you use it over Power Query?
• How do Import and DirectQuery modes differ, and what are the trade-offs?
• What is Power Query, and what are the common transformations you use there?
• How do you handle missing or null values when preparing data for Power BI?

Intermediate Power BI Developer Interview Questions

• Describe a process you used to optimize a slow Power BI report. What steps did you take, and what was the outcome?
• How would you implement row-level security for a report shared across multiple departments?
• Explain how you would create a time intelligence measure to compare current period sales to prior period sales using DAX.
• How do you handle incremental data refresh for large tables in Power BI?
• Describe how you would combine multiple fact tables from different systems into a single data model.
• What techniques do you use to improve DAX measure performance and readability?
• How do you manage version control and deployments for Power BI artifacts across development, test, and production?
• Walk through a scenario where you must support both Power BI Desktop and Power BI Paginated Reports for the same dataset.
• How do you design visuals to ensure accessibility and clear storytelling for business users?
• Explain a time you resolved a data discrepancy between a Power BI report and the source system. What was the root cause?

Advanced Power BI Developer Interview Questions

• Describe an enterprise-level Power BI architecture you designed. Include data sources, modeling choices, storage modes, and governance controls.
• How do you decide between Import, DirectQuery, and Composite models for a high-volume reporting solution?
• Explain advanced DAX patterns you use for calculation groups, dynamic segmentation, or complex time intelligence.
• How do you profile and optimize query performance for large datasets at the model and report level?
• Describe how you implement multi-tenant row-level security and maintain performance and maintainability.
• What best practices do you follow for dataset design to support multiple reporting use cases without duplication?
• How would you integrate Power BI with Azure Synapse, Data Factory, or other cloud ETL pipelines in a scalable BI strategy?
• Explain how you set up CI CD pipelines for Power BI, including automated testing and deployment of datasets and reports.
• How do you manage premium capacity, licensing decisions, and performance SLAs for critical reports?
• Describe how you lead cross-functional stakeholders through requirements, prototype iterations, and acceptance of complex reporting solutions.

Pre-Screening Video Interview Questions for Power BI Developer

These pre-screening questions are ideal for one-way video interviews on ScreeningHive. Use them to quickly assess communication, technical depth, problem-solving, and cultural fit before scheduling live interviews.

1. Describe a recent Power BI project you led and the business impact it delivered.

   This evaluates experience level, ownership, and ability to link technical work to business outcomes.

2. Explain a specific example where you optimized a slow report or model. What tools and techniques did you use?

   This assesses troubleshooting approach, performance tuning skills, and familiarity with profiling tools.

3. Provide an example of a complex DAX measure you wrote. What problem did it solve, and how did you validate it?

   This checks DAX proficiency, problem-solving, and testing practices.

4. How do you implement security and data governance in Power BI environments across multiple teams?

   This reveals understanding of row-level security, workspace permissions, auditing, and governance frameworks.

5. What is your approach to working with stakeholders to gather requirements and deliver usable reports on time?

   This measures communication skills, stakeholder management, and delivery practices.

Conclusion

This set of Power BI Developer interview questions helps hiring managers, recruiters, and HR teams evaluate candidates across basic, intermediate, and advanced competencies. Candidates can also use these prompts to prepare for technical interviews and video screening.

ScreeningHive makes it easy to run one-way video interviews, enabling faster screening and standardized evaluations. Use one-way video interviews to reduce time to hire, compare candidates consistently, and focus live interview time on top performers.