https://jobs.co.uk/job/power-bi-developer-arm--3fe1437d-3991-4a6f-8d7f-fb223f0cea19 RSS feed for Power BI Developer at ARM. en-gb Sat, 25 Jul 2026 09:27:37 GMT https://jobs.co.uk/job/power-bi-developer-arm--3fe1437d-3991-4a6f-8d7f-fb223f0cea19 https://jobs.co.uk/job/power-bi-developer-arm--3fe1437d-3991-4a6f-8d7f-fb223f0cea19 Thu, 23 Jul 2026 23:00:00 GMT Location: London | Salary: Negotiable | Type: Contract | Power BI Developer 6-Month contract - Inside IR35 - market rate London based - hybrid working - 3 days a week onsite Banking sector Role: To design, develop and support enterprise-scale Power BI semantic models, dashboards and reporting solutions for Risk Reporting, with particular focus on semantic model architecture, automated refresh processes, partitioning, governance and performance optimisation. Responsibilities: Designing and developing enterprise-grade Power BI reports, dashboards and scorecards. * Building and maintaining semantic models using dimensional modelling best practices. * Developing advanced DAX calculations, calculation groups and optimisation techniques. * Implementing Incremental Refresh and semantic model partitioning strategies. * Managing large-scale datasets and optimising refresh and query performance. * Developing and supporting Python-based processes used to trigger semantic model refreshes and processing. * Integrating Power BI with orchestration and scheduling frameworks. * Implementing Row-Level Security (RLS), governance controls and access management. * Supporting Power BI Premium/Fabric capacity management. * Tro... Contract