Power BI Developer | 6 Month Contract | Outside IR35 We're looking for a Power BI Developer to design, build, and optimise data models and dashboards that drive business decision-making. You'll be responsible for developing reliable reporting solutions, ensuring data accuracy, and delivering scalable BI assets that empower teams across sales, finance, and product. Location: London Contract: 6 Months (OIR35) Rate: £375-450 p/day Key Responsibilities: Designing, developing, and maintaining Power BI reports and dashboards. Creating and optimising data models with Power BI Desktop and the service. Writing advanced DAX measures and Power Query (M) transformations. Working with SQL databases to extract, clean, and shape data for reporting. Implementing row-level security, workspace management, and governance best practices. Partnering with business stakeholders to translate reporting requirements into BI solutions. Ensuring dashboards are performant, user-friendly, and scalable. Key Skills: Strong hands-on experience with Power BI (DAX, Power Query, data modelling). Proficiency in SQL and relational databases (SQL Server, PostgreSQL, MySQL). Understanding of data warehousing and ETL concepts. Familiarity with Azure Data Platform (e.g. ADF, Synapse, Data Lake) or other cloud equivalents (AWS/GCP). Experience implementing governance, security, and optimisation in Power BI. Strong communication skills to engage stakeholders and deliver BI solutions aligned to business needs. If this sounds like you, apply now for immediate consideration. Oscar Associates (UK) Limited is acting as an Employment Business in relation to this vacancy. To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website.