System Design

Create a recommendation engine that processes data in real-time.

Also asked as "Design a system for real-time recommendation engine."

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1 answer published. Last candidate submission on Jun 15 2026, 6:37am PDT. Interview question asked to Production Engineering Managers, Site Reliability Engineers, Technical Program Managers and other roles interviewing at BetterUp, Twitter, Tinder and other companies. Original question asked: Create a recommendation engine that processes data in real-time.. Question last reported by a candidate interviewing at Kraken for a Site Reliability Engineer interview on Jun 13 2026, 6:34pm PDT.