Reply AI Engineer Interview Questions
The questions to prepare for a Reply AI Engineer interview. Questions from real interview reports rank first. Updated weekly.
Implement an LRU cache in O(1) average time using a hash table and doubly linked list.
ReplyTraverse a binary tree level by level using a queue-based breadth-first search.
ReplyDesign a recommendation system strategy for model cold start and new-user cold start, including serving, evaluation, and safe rollout.
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Explain how to evaluate a generative model using offline and online methods, with attention to hallucination, product metrics, and experiment design.
ReplyChoose the right evaluation metric for an imbalanced dataset and explain why accuracy can mislead.
ReplyApproach for safely backfilling missing data while preserving correctness, idempotency, and data quality.
ReplyExplain practical ways to train and evaluate a classifier when the target classes are highly imbalanced.
ReplyExplain how transformer self-attention works, including its role in sequence modeling and why it scales better than RNNs.
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