Senior Power BI Developer

Mango LLC
St. Petersburg, FL, United States
27 days ago
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Experience required
4 years minimum
Compensation
$110,000.0 - $125,000.0
Working hours
Regular working hours
Languages
English
Job source

Tech stack

Data Architecture Data Auditing Data Warehousing Dimensional Modeling Microsoft Data Access Components Performance Tuning Power BI SQL Databases Freeform SQL Powerquery Data Lineage Software Version Control

Job description

  • Data Audit & Remediation: Conduct deep-dive audits of existing Power BI reports to identify logic errors, broken relationships, and incorrect DAX calculations.
  • Restoring Data Trust: Work directly with business stakeholders to understand ā€œperceivedā€ vs. ā€œactualā€ data issues, providing transparent documentation and validation to prove data accuracy.
  • Performance Tuning: Optimize slow-loading reports by refining Power Query (M) transformations and streamlining complex DAX measures.
  • Data Modeling Excellence: Transition ā€œflat-fileā€ or messy schemas into high-performance Star Schemas to ensure scalability and accuracy.
  • Governance & Standardization: Establish and enforce row-level security (RLS), workspace management, and version control to prevent future data drift.
  • UAT Leadership: Lead rigorous User Acceptance Testing (UAT) sessions to ensure that the final output aligns perfectly with the users’ source systems (e.g., ERP, CRM).

Requirements

  • Expert DAX & Power Query: Advanced proficiency in writing, troubleshooting, and optimizing DAX and M code.
  • SQL Mastery: Strong ability to write complex SQL queries to validate Power BI outputs against the underlying data warehouse.
  • Data Architecture: Deep understanding of dimensional modeling (Fact and Dimension tables) and data warehousing concepts.
  • End-to-End Power BI Service: Experience with Gateways, Scheduled Refreshes, Dataflows, and ALM Toolkit.

Core Competencies (The ā€œTrustā€ Factor)

  • Analytical Skepticism: You don’t take data at face value; you verify against the source.
  • Empathetic Communication: The ability to listen to frustrated users, validate their concerns, and explain technical fixes in plain English.
  • Documentation Rigor: A commitment to documenting data lineage and logic so that the ā€œblack boxā€ of reporting is eliminated.

Education & Experience

  • 4+ years of dedicated Power BI development experience.
  • Proven track record of migrating or ā€œfixingā€ legacy reporting systems.
  • PL-300 (Microsoft Data Analyst Associate) certification is highly preferred.

Must be able to pass a criminal background check as well as a drug test.

Benefits & conditions

Pulled from the full job description

  • 401(k)
  • Health insurance
  • Retirement plan
  • Paid time off
  • Vision insurance
  • Dental insurance, * 401(k)
  • Dental insurance
  • Health insurance
  • Paid time off
  • Retirement plan
  • Vision insurance

Application Question(s):

  • I confirm that I don’t require sponsorship now, or will EVER require sponsorship, to work in the US. Please answer Yes, if that is true.

About the company

We are fast-paced and our goal is to help individuals obtain meaningful work, be paid fairly, and have fun in the process!.

Apply for this position

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