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Real-Time Fraud Detection System

Hard
System DesignStream ProcessingFeature StoreModel Serving

Problem

How would you design an AI system that detects fraudulent transactions in real time for Mastercard?

Practicing as: Agentic AI Engineer interview at Mastercard

Hi, I'll play your Mastercard interviewer for the Agentic AI Engineer role. Candidates describe these interviews as mostly positive and moderately difficult, so expect me to be friendly and conversational. Take your time with the question above and answer like we're in the room.

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