Principal Data Scientist
Salary: Up to £140k + bonus & equity
Location: London (3x per week)
I'm partnering with one of the UK's fastest-growing AI-driven consumer technology businesses on a pivotal Principal Data Scientist hire. This is an opportunity to lead the technical direction of machine learning and Generative AI across one of the company's most business-critical domains, helping build the next generation of intelligent decisioning systems used by millions of customers.
What you'll be doing
- Lead the technical direction for ML and GenAI within a high-impact fraud and risk function.
- Design and deploy production machine learning and LLM systems that drive intelligent automation.
- Shape scalable model architecture, feedback loops, monitoring and evaluation frameworks.
- Partner with Product and Engineering to solve ambiguous, system-level problems.
- Champion statistical rigour, experimentation and robust decision-making across the business.
- Mentor senior data scientists and influence engineering best practice without being a people manager.
What we're looking for
- Significant experience delivering end-to-end ML systems into production.
- Proven experience building Generative AI / LLM applications beyond prototype stage.
- Strong background in fraud, risk, credit, insurance or another regulated decisioning environment.
- Ability to influence senior stakeholders and drive technical strategy across cross-functional teams.
- Systems thinker who enjoys solving complex product and engineering challenges.
If you're a Staff or Principal Data Scientist looking to combine ML, GenAI and technical leadership in a business where AI is central to the product, I'd be happy to tell you more.