Power BI Developer (Debugging & Report Engineering) - (Hybrid Onsite)

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Job Title : Power BI Developer (Debugging & Report Engineering)

Location: Princeton, NJ / Quincy, MA (3/4 days a week Hybrid onsite)

Duration : Long term contract

Contract: W2 / C2C

Job Description

We are looking for a hands-on Power BI Developer with strong experience in debugging existing reports, analyzing underlying code logic, troubleshooting data issues, and enhancing complex dashboards.

This role requires someone who can work beyond UI/dashboard design and has deep expertise in DAX, Power Query, SQL, data models, report performance optimization, and root cause analysis.

Please note: We are not looking for candidates who are focused only on UI/dashboard design. The ideal candidate must have strong experience in debugging and fixing existing Power BI reports and code logic.

Key Responsibilities

• Debug and troubleshoot existing Power BI reports, dashboards, and data models
• Analyze and resolve issues in DAX formulas, calculated measures, calculated columns, and Power Query transformations
• Investigate report discrepancies, data mismatches, refresh failures, and performance issues
• Work with existing report code and logic to identify root causes and implement fixes
• Optimize report performance by improving DAX queries, model relationships, and dataset refresh efficiency
• Work closely with data engineering / business teams to validate report outputs
• Modify and enhance existing reports based on business requirements
• Support production incidents related to reporting and BI solutions
• Perform data validation using SQL queries and source system checks
• Maintain documentation for report logic and issue resolutions

Technical Skills Required

• Power BI Stack: Expert-level DAX, Row-Level Security (RLS), and Power BI Service administration.
• Data Engineering: Proficiency in SQL (Snowflake or SQL Server) and Python/PySpark for data preparation before it hits the dashboard.
• Platform Knowledge: Experience with Microsoft Fabric (OneLake, Data Factory)