1 answer published. Last candidate submission on Jun 25 2026, 8:39am PDT. Interview question asked to Machine Learning Engineers, Production Engineering Managers, Site Reliability Engineers and other roles interviewing at Keysight Technologies, Commvault, Productboard and other companies. Original question asked: Design a system for real-time fraud detection in financial transactions.. Question last reported by a candidate interviewing at Fujitsu for a Software Engineer interview on Jul 2 2026, 1:48pm PDT.