Lead Data ScientistSalary: 120K - 140K + EquityLocation: London in officeData Idols are working with a rapidly scaling technology company which is redefining how large, highly regulated organisations produce, validate, and deliver client-facing work.They are now hiring a Lead Data Scientist to take full ownership of their data ecosystem and help shape how the company operates, measures success, and makes decisions. You will own the data stack end-to-end and work at the intersection of analytics, engineering, and applied machine learning.The OpportunityThis is a high-impact, high-autonomy role where you will design, build, and scale the company''s entire data capability from ingestion through to insight and prediction.You''ll work closely with senior leadership, product, engineering, and go-to-market teams, ensuring data is reliable, real-time, and genuinely useful. You''ll turn messy, fast-moving problems into automated, production-grade systems that inform product strategy, customer behaviour, and operational decisions.If you enjoy building from first principles, moving fast, and taking real ownership, this role offers an unusually broad scope and level of influence.Skills and experienceStrong Python for pipelines and analysisAdvanced SQL and hands-on dbt experienceExperience building data platforms from scratch in a fast-growth environmentComfortable working with ambiguity, changing priorities, and tight timelinesConfident using AI coding tools as part of your daily workflo