Senior BI Developer (m/f/d) - Microsoft Fabric & Power BI

Remote, CET/CEST or SAST-aligned time zones | Full-time | Start: as soon as possible Build business-critical data products that turn trusted data into better decisions and action. Using Microsoft Fabric, Power BI and Azure, you will create lakehouses, semantic models, reports and AI-driven data products. These can include automated workflows, bots, copilots and agents. You use AI-native delivery methods as a professional standard. This includes current LLMs, automation and agent platforms where they improve the product or solve a real client problem. MultiBase delivers business-critical BI and analytics solutions for mid-sized companies across the DACH region. Since 1991, we have completed 1,500+ projects for 400+ clients. Our work covers manufacturing, automotive, financial services, pharma and other data-intensive sectors. We are hiring a Senior BI Developer to expand capacity across established long-term client work. You bring technical depth, ownership and the ability to discuss your own technical topics directly with clients. Tasks The role You build, test, document and maintain data products. This includes data models, lakehouses, data warehouses, pipelines, notebooks and Power BI reports. You report to a Tech Lead and work closely with project leads, other developers and client teams. You clarify the technical detail and estimate the effort before delivery starts. You show what you built and explain your decisions clearly. Project leadership, commercial ownership and people management remain with the project lead. Your mandate is senior technical delivery, direct technical client communication and reliable execution. You work within MultiBase's DECIDE delivery framework: Discover, Engage, Clarify, Illustrate, Develop and Embed. You receive structured onboarding into the client context, delivery standards and framework. What you will do Build and maintain BI and data products in Microsoft Fabric, Power BI and Azure. Deliver lakehouse, warehouse, pipeline, note