Problem
Scenario
You are building a personalized recommendation system for a consumer product. The team wants a plan for two cases: launching a new model with little live feedback, and serving new users who have little or no history.
Question
How would you handle cold start for a new model or new users?
What this tests
- Cold-start strategies for new users and new models
- Multi-stage recommendation design
- Feature store and training-serving consistency
- Safe rollout and experimentation
Practicing as: Software Engineer interview at Fashion NovaHi, I'll play your Fashion Nova interviewer for the Software Engineer role. Candidates describe these interviews as often stressful and moderately difficult, so expect me to be direct and to the point. Take your time with the question above and answer like we're in the room.
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