Data Architect? Visual Storyteller? Power BI Expert? 6Months Contract London/Sheffield Hybrid. Our client-a leading organization within the Operations sector-is looking for a high-caliber Contract Power BI Developer to join their Data Intelligence & Analytics team. The Mission You will take full ownership of the Power BI lifecycle, translating complex business needs into high-performance, user-focused solutions. Operating in an agile, fast-paced environment, you will bridge the gap between technical data engineering and executive insights. What You'll Be Doing Architecting Models: Designing robust semantic models using star schema principles and managing complex relationships. Engineering DAX: Writing sophisticated measures and time-intelligence logic while ensuring every calculation is optimized for performance. Modern Integration: Connecting to Microsoft Fabric Lakehouses, Azure SQL, and APIs to create a unified data truth. Securing Insights: Implementing Row-Level Security (RLS) and governance standards to keep data safe and compliant. Your Profile The Specialist: You have a proven track record of delivering high-impact BI solutions in enterprise environments. The Tech Stack: Expert-level knowledge of Power BI, DAX, and Power Query (M) is essential. The Mindset: You are a self-starter who thrives on "challenging assumptions" and mentoring others to elevate the team's data literacy.Are you ready to turn raw data into a competitive advantage? Apply today or share your updated CV to (url removed) Randstad Technologies is acting as an Employment Business in relation to this vacancy