Meta Applied Scientist Interview Questions
The questions to prepare for a Meta Applied Scientist interview. Questions from real interview reports rank first. Updated daily.
Use postorder DFS to find the maximum sum of any non-empty path in a binary tree.
MetaFind the longest valid parentheses substring using a stack in linear time.
MetaFind the longest binary-tree path by counting nodes instead of edges using postorder DFS.
MetaDesign the training, serving, and reliability architecture needed to scale a machine learning model to billions of parameters.
MetaDesign an end-to-end machine learning recommendation system for Instagram, including retrieval, ranking, serving, and evaluation.
MetaDesign a personalized nearby-places recommender with category filters, interaction history, and reliable low-latency serving.
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Tests conflict resolution with peers: direct communication, influence without authority, and ownership of both relationship and outcome.
MetaEvaluates knowledge of evaluating models offline vs online in production.
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