Lead Data Scientist, Claims AI & Fraud (Hybrid London)

Company: Marshmallow
Apply for the Lead Data Scientist, Claims AI & Fraud (Hybrid London)
Location: London
Job Description:

Marshmallow in London is seeking a Principal Data Scientist to lead data science efforts within the Claims domain, focusing on risk decisioning and scalable AI solutions. You will partner with Product and Engineering to design, deploy and monitor ML systems in production.

You’ll drive system-level thinking, set technical direction, mentor team members and champion robust analytics that improve claims automation and customer outcomes across the business.

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Posted: October 21st, 2026