Fraud Strategy Decision Scientist

Navan is expanding its Fraud Risk Management organization to build world-class fraud prevention and detection capabilities across our travel and expense platforms. We are seeking a Fraud Strategy Decision Scientist to lead data-driven fraud strategy initiatives focused on machine learning features, rules development, and scalable fraud controls.

This role is ideal for a Fraud Strategy Decision Scientist who blends strong data science intuition with practical fraud rule design

, understands how models and rules work together in production, and can partner deeply with Product, Engineering, and Fraud Operations to reduce fraud losses while enabling business growth.

You will play a critical role in shaping Navan’s

• end-to-end fraud strategy
• , translating advanced analytics and ML outputs into actionable rules, thresholds, workflows, and policy decisions across expense card issuing, payments, onboarding, and travel fraud.