Power BI Developer & Data Modeller

Power BI Developer & Data Modeller 6-Month Contract | £450/day Inside IR35 | London Hybrid (2-3 Days Per Week) The Opportunity We're looking for an experienced Power BI Developer & Data Modeller to join a growing data function that is investing heavily in its reporting, analytics and cloud data capabilities. This contract role will play a key part in transforming complex business data into meaningful insights through modern BI solutions and scalable data models. Working within a collaborative data team, you'll partner with Data Engineers, Product Owners and business stakeholders to deliver enterprise-grade reporting solutions while helping shape the underlying data structures that support them. You'll have exposure to modern cloud-based data platforms, including Databricks and Microsoft technologies, and will contribute across the entire analytics lifecycle from requirements gathering through to dashboard delivery. What You'll Be Doing Business Intelligence & Reporting Develop engaging Power BI dashboards and reporting solutions for a variety of business functions. Create and manage semantic layers, datasets and reusable reporting assets. Build advanced DAX measures, calculations and business logic. Improve dashboard performance, scalability and end-user experience. Apply data security controls and reporting governance best practices. Support testing, deployment and ongoing optimisation of reporting products. Data Modelling & Analytics Design robust dimensional models to enable accurate and consistent reporting. Build and maintain fact and dimension structures aligned to business needs. Work closely with stakeholders to define KPIs, measures and reporting standards. Ensure data accuracy, consistency and trust across analytical solutions. Databricks & Data Platform Write and optimise SQL queries against large-scale cloud datasets. Collaborate with engineering teams to create curated reporting-ready data products. Support data validation, reconciliation and quality assurance activities. Contribute to the development of scalable analytics solutions within a modern data platform environment. Stakeholder Collaboration Gather, analyse and document business reporting requirements. Translate business challenges into practical dashboard and analytics solutions. Deliver meaningful insight and recommendations to stakeholders. Support users through training, adoption and knowledge sharing. Required Experience We're interested in candidates who can demonstrate strong commercial experience across business intelligence, reporting and data modelling disciplines. Technical Requirements Proven expertise delivering Power BI solutions in enterprise environments. Advanced DAX development experience. Strong SQL querying and performance optimisation skills. Experience designing and maintaining analytical data models. Exposure to large, complex datasets and enterprise reporting environments. Knowledge of Power BI Service, workspace management and deployment processes. Understanding of data governance, security and access control principles. Experience working with Databricks, Microsoft Fabric or similar modern data platforms. Data & Modelling Knowledge Dimensional modelling methodologies. Star schema design principles. Fact and dimension table development. Slowly Changing Dimension (SCD) concepts. KPI framework and metric definition experience. Stakeholder & Delivery Skills Strong communication skills with both technical and non-technical audiences. Ability to gather requirements and influence reporting outcomes. Excellent analytical and problem-solving capabilities. Comfortable working across multiple workstreams in a fast-paced environment. Nice to Have Experience in any of the following would be advantageous: Databricks Lakehouse architecture. Microsoft Fabric. Python for data analysis and automation. CI/CD, DevOps or release management practices. Experience within construction, infrastructure, engineering, property or project-based organisations. Microsoft Power BI certifications. Contract Details Role: Power BI Developer & Data Modeller Contract Length: Initial 6 Months Rate: £450 per day IR35 Status: Inside IR35 Location: London Working Pattern: Hybrid, 2-3 days per week onsite Start Date: ASAP This is an excellent opportunity for a Power BI specialist who enjoys combining dashboard development, data modelling and stakeholder engagement within a modern cloud data environment. You'll be joining a high-performing team delivering impactful data solutions that drive business decision-making across the organisation.