Power BI Developer

Power BI Developer - Contract - Hybrid / Cardiff

VIQU have partnered with an NHS organisation seeking a Power BI Developer to help stabilise, optimise, and deliver reporting across a complex platform environment.

The successful Power BI Developer will work to address performance issues and data models on existing reports, as well as refining current Power BI outputs, implementing a scalable Fabric/data lake approach, and delivering in-app reporting within Model-Driven Apps (Dataverse).

Key Responsibilities

• Optimise and refactor existing Power BI reports to resolve performance and data model issues
• Build and enhance reporting solutions using Microsoft Fabric and data lake / lakehouse architectures
• Deliver Power BI dashboards using scalable semantic models
• Develop Power BI Embedded reporting within Model-Driven App / Dataverse environments
• Implement in-app operational reporting (lists, lightweight reporting) alongside Power BI analytics
• Improve performance across DAX, queries, and data structures to ensure fast, reliable reporting
• Support the consolidation and delivery of a defined set of reports across both Power BI and in-app reporting layers

Key Skills and Experience Required

• Strong background as a Power BI Developer with experience with performance optimisation and troubleshooting
• Experience working with data lakes / Microsoft Fabric / lakehouse architectures
• Strong understanding of semantic modelling, data relationships, and DAX optimisation
• Experience with Model-Driven Apps (Dataverse) and in-app reporting approaches
• Experience delivering Power BI Embedded reporting within application environments
• Proven ability to work on brownfield reporting environments (fixing, improving, consolidating)
• Ability to work across both analytical (Power BI) and operational (in-app) reporting patterns

Contract Overview

• Role: Power BI Developer
• Duration: 6 Month Contract
• IR35: Inside IR35
• Rate: £325 per day
• Location: Hybrid / Cardiff

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