System Design

Design a system for detecting fraudulent 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 Engineering Managers, Site Reliability Engineering Managers, Technical Program Managers and other roles interviewing at OneWeb, Medallia, Canva and other companies. Original question asked: Design a system for detecting fraudulent transactions.. Question last reported by a candidate interviewing at Etsy for an Engineering Manager interview on Feb 9 2026, 2:46pm PDT.