Etsy Research Scientist Interview Questions
The questions to prepare for a Etsy Research Scientist interview. Questions from real interview reports rank first. Updated daily.
Determine whether a directed graph contains a cycle using DFS or topological sorting.
EtsyAssesses your ability to apply MapReduce concepts to scalable data workflows.
EtsyTests algorithmic efficiency for ranking and frequency-based analytics over interaction logs.
EtsyDesign a personalized marketplace search ranker for 180M products at 420K peak QPS with tight latency and freshness constraints.
EtsyDesign an end-to-end product recommendation system for a large e-commerce marketplace with strict latency and freshness needs.
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Explain practical ways to train and evaluate a classifier when the target classes are highly imbalanced.
EtsyExplain how bagging and boosting differ, and identify a representative algorithm for each ensemble method.
EtsyExplain how transformer self-attention works, including its role in sequence modeling and why it scales better than RNNs.
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