Founding Data Scientist – Credit Risk & Decisioning Lead

Company: Harnham
Apply for the Founding Data Scientist – Credit Risk & Decisioning Lead
Location: London
Job Description:

Harnham and a 6-person fintech startup are seeking a Senior Data Scientist to own credit risk modelling and decisioning from development through production. The role involves building scorecards and ML models, deploying in AWS (SageMaker/Lambda), and shaping lending strategies in collaboration with Product, Engineering and Risk teams.

Hybrid role with London-based work—2 days per week in Central London—offering founding equity and the opportunity to scale responsible lending.

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Posted: July 19th, 2026