Mid-Level Power BI Developer – SQL, DAX & Power Query

Harmony Tech Inc. is seeking a talented and self-motivated Mid-Level Power BI Developer to design, develop, enhance, and support enterprise business intelligence, data analytics, and reporting solutions for a client.

The ideal candidate will have strong hands-on experience with Microsoft Power BI, SQL, DAX, Power Query, data modeling, ETL, data transformation, dashboards, and data visualization
.

This position requires full-time onsite work from Harmony Tech's office in Fairfax, Virginia. Remote work is not available.

Candidates must be U.S. citizens and may not hold dual citizenship with another country
. The selected candidate must also meet applicable federal personnel security and onboarding requirements.

• Design, develop, enhance, and maintain Power BI dashboards, reports, metrics, visualizations, and data models
  .
• Develop and optimize SQL queries, DAX measures, calculated columns, and Power Query transformations
  .
• Gather and analyze business requirements and translate them into technical, reporting, and analytics solutions.
• Design and optimize data models, relationships, and complex data transformations.
• Integrate Power BI solutions with databases, files, applications, and other enterprise data sources.
• Validate data accuracy and troubleshoot ETL pipelines, transformations, data connectors, data-quality issues, and performance problems
  .
• Publish and maintain reports through Power BI Service
  , including workspace management and scheduled data refreshes.
• Optimize reports, dashboards, queries, and data models for performance and maintainability.
• Implement appropriate data security and access controls, including row-level security (RLS).
• Collaborate with product owners, subject-matter experts, data teams, developers, and other business and technical stakeholders throughout the development lifecycle.
• Participate in solution design, development, testing, implementation, and production support.
• Create and maintain technical documentation, including specifications, data models, scripts, workflows, and user guidance.
• Develop reporting solutions consistent with applicable Section 508 accessibility requirements
  .
• Follow established development, security, source-control, documentation, and solution-management standards.

• 7+ years of overall IT, data, analytics, application development, or business intelligence experience.
• 3+ years of hands-on Microsoft Power BI development experience.
• Strong hands-on experience with Power BI, SQL, DAX, and Power Query
  .
• Experience developing interactive dashboards, reports, visualizations, metrics, and data models.
• Strong understanding of relational databases, data modeling, data relationships, and business intelligence concepts
  .
• Experience with ETL, data transformation, data preparation, pipelines, and connectors
  .
• Experience integrating Power BI with multiple databases and enterprise data sources.
• Experience with Power BI Service
  , performance optimization, scheduled refreshes, troubleshooting, and data validation.
• Knowledge of data security, access controls, and row-level security (RLS).
• Ability to translate business requirements into effective technical and analytics solutions.
• Strong analytical and problem-solving skills with attention to data quality and accuracy.
• Strong written and verbal communication skills and the ability to collaborate effectively with business and technical teams.
• Must be a U.S. citizen and must not hold dual citizenship with another country.

• Experience supporting federal government, financial services, or other regulated environments
  .
• Experience with Microsoft Power Automate and SharePoint Online
  .
• Familiarity with Amazon Web Services (AWS) and cloud-based data and analytics solutions.
• Experience with Python for data analysis, transformation, automation, or scripting.
• Familiarity with Git Hub, JIRA, Service Now, or DBeaver
  .
• Experience with source control and established software development lifecycle practices.
• Knowledge of Section 508 accessibility requirements
  .
• Familiarity with federal information security, privacy, data governance, or compliance requirements.
• Experience supporting enterprise-scale business intelligence, reporting, data analytics, or automation solutions.

• Bachelor's degree in Computer Science, Information Technology, Information Systems, Data Analytics, Engineering, or a related field preferred.

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