System Design

Design a system to detect and prevent fraud in transactions.

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1 answer published. Last candidate submission on Jun 26 2025, 2:41pm PDT. Interview question asked to Site Reliability Engineering Managers, Production Engineering Managers, Engineering Managers and other roles interviewing at Lockheed Martin, Change Healthcare, OneWeb and other companies. Original question asked: Design a system to detect and prevent fraud in transactions.. Question last reported by a candidate interviewing at Urban Company for a Production Engineering Manager interview on Jul 31 2026, 6:46pm PDT.