Senior BI Developer — Hybrid, Client-Facing AI

Holland Mountain in London is seeking a hands-on BI Developer to join our ATLAS team on a fixed-term contract. You’ll design and deliver BI and data solutions, working directly with clients to translate evolving requirements into high-quality technical outcomes.

The role requires strong SQL Server development, SSAS (multidimensional and tabular) and DAX skills, plus familiarity with Azure data services and modern data platforms.