System Design

Design a recommendation system for an e-commerce website.

Also asked as "Design a personalized product recommendation system."

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1 answer published. Last candidate submission on Apr 8 2026, 10:13am PDT. Interview question asked to Production Engineering Managers, Site Reliability Engineers, ML Engineering Managers and other roles interviewing at IronSource, Niantic, GitHub and other companies. Original question asked: Design a recommendation system for an e-commerce website.. Question last reported by a candidate interviewing at Ripple for a Technical Program Manager interview on Jul 1 2026, 1:10am PDT.