Power BI Developer

Power BI Developer – Contract – Hybrid / Cardiff VIQU has 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 #J-18808-Ljbffr