System Design

Design a system to detect and prevent fraud in transactions.

Also asked as "Create a system for identifying fraudulent transactions."

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1 answer published. Last candidate submission on Jun 26 2025, 2:41pm PDT. Interview question asked to ML Engineering Managers, Machine Learning Engineers, Software Engineers and other roles interviewing at Symantec, Apple, Mapbox and other companies. Original question asked: Design a system to detect and prevent fraud in transactions.. Question last reported by a candidate interviewing at Glovo for a Machine Learning Engineer interview on Jul 31 2026, 6:46pm PDT.