Power BI Developer – End-to-End Reporting Location: London / Horsham - Hybrid Client : Global IT and consulting services company We are seeking a hands-on, experienced Power BI Developer to join our client's growing data and analytics team. This role is ideal for someone who thrives in delivering end-to-end, production-ready reporting solutions and enjoys working with modern Microsoft data technologies, including Power BI and Microsoft Fabric.You will play a key role in designing, building, and optimising high-quality dashboards while also driving best practices, documentation standards, and capability uplift across the organisation.Key ResponsibilitiesDesign and deliver end-to-end Power BI solutions, from data preparation to production-ready dashboardsBuild scalable and performant semantic data models using Power Query (M) and DAXCreate intuitive, visually compelling dashboards using strong data visualisation and UX principlesOptimise Power BI solutions for performance, scalability, and maintainabilityWork with Microsoft Fabric components (Lakehouse, Dataflows, semantic models) as part of the modern data stackDevelop and maintain clear documentation for datasets, measures, models, and reportsPromote Power BI best practices across development teamsProvide mentoring, coaching, and technical guidance to analysts and developersCore RequirementsProven experience delivering end-to-end Power BI solutions in production environmentsStrong expertise in Power Query (M) for data transformation and shapingAdvanced proficiency in DAX with clean, maintainable modelling practicesStrong understanding of data visualisation principles and report UX designExposure to Microsoft Fabric and integration with Power BIStrong documentation skills across datasets, models, and reporting layersExperience in supporting and upskilling BI users and development teams