Senior Data Scientist – Fraud Strategy & Decisioning (Hybrid, Equity)

Company: La Fosse
Apply for the Senior Data Scientist – Fraud Strategy & Decisioning (Hybrid, Equity)
Location: London
Job Description:

La Fosse in London is seeking a Lead Data Scientist – Fraud & Decisioning to own the fraud agenda. This role is hands-on, blending fraud analytics, machine learning, decisioning and technical problem-solving.

You will analyse trends, build detection and prevention solutions, write code, and collaborate with product and business teams. The position offers hybrid working, up to £120,000 plus equity and a pathway to influence the future of fraud prevention at a growing fintech.

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Posted: October 11th, 2026