About the Job

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Senior ML Scientist — Fraud-Detection & Scalable AI

EngineersOfAI

London, England, United Kingdom

11 August 2026

Monzo is seeking a Machine Learning Scientist to join a multidisciplinary squad and deploy advanced ML models that detect fraud and protect customers. You will own end-to-end work from business problem to production solution, shaping scalable, globally deployed systems.

You will write production Python, work with SQL and Go, collaborate with data scientists, engineers, and risk teams, and continuously justify approaches with measurable impact.

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