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Senior Power BI Developer

Station London, England, United Kingdom

Staffing and Recruiting · 2-10 employees

5 h ago
business-intelligence Senior (5-10 yrs) Contractor United Kingdom
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About the role

You will own the end-to-end Power BI lifecycle, designing and maintaining scalable dashboards and semantic models. You will also collaborate with data engineering teams to optimize performance and ensure robust data integration across various platforms.

What they look for

Power BI DAX Power Query SQL Data Modelling Star Schema Databricks Azure Finance Data Retail Data Row-Level Security Stakeholder Management ETL T-SQL Data Engineering

Requirements

The role requires a senior professional with extensive experience in Power BI, DAX, and SQL, specifically within finance and retail sectors. Candidates must possess strong data modelling skills using Star Schema principles and experience with cloud data architectures like Databricks.

Full description

Senior Power BI Developer

Location: London / Hybrid (1 day/week onsite)

Contract Duration: 3 Months

IR35 Status: Outside IR35

About the Role

A high-profile organisation is seeking a Senior Power BI Developer to deliver robust reporting and analytics solutions across their core operations. Focusing primarily on Finance and Retail data streams, you will own the end-to-end Power BI lifecycle, from refining data models using Star Schema principles to deploying performant, production-ready dashboards.

Key Responsibilities

  • End-to-End Analytics: Design, build, and maintain scalable Power BI dashboards and semantic models that translate business needs into intuitive reporting.
  • Architecture & Optimization: Collaborate with Data Engineering teams to evaluate performance bottlenecks and determine whether metrics should be calculated in Power BI or upstream in the ETL platform.
  • Data Integration: Query and integrate data across diverse environments, including Databricks, SQL Server, Azure, REST APIs, and SharePoint.
  • Advanced Modelling: Build complex DAX measures, KPIs, and Power Query (M) transformations to support robust decision-making.
  • Governance & Security: Manage datasets, refresh schedules, and Row-Level Security (RLS) within Power BI Service to maintain data accuracy and integrity.

Essential Experience

  • Proven track record as a Senior Power BI Contractor delivering enterprise-level solutions.
  • Commercial experience building reporting solutions focused on Finance and Retail data.
  • Advanced hands-on expertise in DAX, Power Query (M), and SQL (T-SQL).
  • Strong data modelling expertise using Star Schema principles.
  • Experience querying Databricks structures and integrating modern cloud data architectures.
  • Excellent stakeholder management skills with the ability to bridge the gap between technical teams and business units.

Desirable Skills

  • Familiarity with the wider Azure data ecosystem (Azure Data Factory, Synapse, Azure SQL) or Microsoft Fabric.
  • Exposure to DevOps workflows (Git, CI/CD for BI deployments).
  • Microsoft Certified: Power BI Data Analyst Associate (PL-300).
  • Power Platform integration experience (Power Apps / Power Automate).
  • Experience working within Agile or iterative delivery environments.

How to Apply

If you are an experienced Power BI specialist available for a quick start, submit your CV today for immediate consideration.

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