Power BI Developer

Job Description: Experienced Power BI Developer Location Horsham or London, UK (Hybrid Working) Contract Type Long-Term Contract Role Summary We are seeking experienced, hands-on Power BI Developers with strong end-to-end production reporting expertise. This role requires deep technical knowledge across Power Query (M), DAX, data modelling, and report design, along with a solid understanding of Microsoft Fabric and its integration with Power BI. The successful candidates will deliver high-quality, production-ready reporting solutions while promoting best practices, maintaining strong documentation standards, and supporting the development of analysts and developers across the organisation. Key Responsibilities • Design and deliver end-to-end Power BI reporting solutions, from data preparation through to polished dashboards. • Build clean, scalable, and high-performing semantic models using Power Query and best-practice DAX. • Apply strong data visualisation and UX principles to create intuitive and consistent reports. • Ensure performance optimisation and scalability of Power BI solutions. • Work with Microsoft Fabric components (e.g., Lakehouse, Dataflows, semantic models) as data sources. • Produce clear and structured documentation covering datasets, measures, models, and reports. • Promote and enforce Power BI best practices across modelling, DAX, and report design. • Provide coaching, mentoring, and quality assurance to analysts and developers. Core Experience (Must-Have) • Proven experience delivering end-to-end Power BI reports in production environments. • Strong hands-on expertise with Power Query (M) for data transformation and shaping. • Advanced DAX skills with clean, efficient, and maintainable code. • Excellent understanding of data visualisation and UX best practices. • Working knowledge of Microsoft Fabric and its integration with Power BI. • Strong documentation discipline for datasets, models, and reporting solutions. • Experience supporting, coaching, and upskilling Power BI users and developers. Preferred Skills (Nice to Have) • Experience working in enterprise-scale environments. • Familiarity with data governance and BI best practices. • Exposure to Agile delivery methodologies. Key Competencies • Strong analytical and problem-solving skills • High attention to detail and quality • Excellent communication and stakeholder engagement • Ability to work both independently and collaboratively