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Design a Video Recommendation Engine
System DesignhardVery Common
recommendation-systemsmachine-learningpersonalizationa-b-testing
Reported
11 times
Last seen
2026-03-27
First seen
2025-05-10
Active in
2025, 2026
Description
Design a personalized recommendation system for a streaming platform. Handle cold start, real-time signals, and A/B testing.
Approach Tips
Discuss collaborative filtering, content-based filtering, and hybrid approaches. Cover cold start with popularity-based fallback and exploration vs exploitation.
Sources
Blind·Senior·2026-03-27
Glassdoor·Staff·2026-01-20
Reddit·Senior·2025-10-12
NF
Netflix
Streaming
Typically appears in: Onsite - System Design
60 min — Design a streaming/media or distributed system. Focus on scale, reliability, and tradeoffs.