Senior Data Scientist (£110k) at behavioral decision intelligence platform

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network. The next step is to speak to Jack. Job Title Senior Data Scientist – Decision Intelligence Salary Up to £110k Company Description High-growth behavioral decision intelligence platform for regulated financial servicing Job Description You will lead the transition from descriptive analytics to adaptive decision systems for a platform supporting over 1 million mortgages. By operationalizing redemption models and building causal measurement frameworks, you'll help major UK lenders reduce friction and optimize financial journeys through data-driven interventions and production-grade machine learning workflows. Location Remote, UK/EU Why this role is remarkable

• Shape the intelligence layer of a category-defining platform that already processes over a million mortgages for major UK lenders and building societies.
• Move beyond static modeling by building real-world experimentation and causal reasoning capabilities directly into live regulated financial servicing workflows.
• Work in a high-ownership environment with direct access to the founder and leadership, mentoring a growing team while influencing foundational technical architecture.

What You Will Do

• Deploy and operationalize a redemption prediction model into live product decisioning to drive real-time customer interventions.
• Build a robust experimentation framework and exposure measurement capability for long-lifecycle financial products.
• Establish statistical standards for behavioral segmentation, cohort-based forecasting, and longitudinal consumer lifecycle analysis.

The ideal candidate

• Senior-level expertise in Python and SQL with a proven track record of deploying ML models into production product environments.
• Deep understanding of experimentation, causal inference, and statistical modeling within behavioral or product-focused datasets.
• Experience navigating the technical and regulatory complexities of fintech, health-tech, or subscription-based behavioral product environments.

Who are Jack & Jill? Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support. And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate. How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network. Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description. We appreciate this can make them look a bit suspect, but there isn't much we can do about it. Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.