Top 43
Prep plan
Updated weekly · Last refresh Aug 30

Meta Platforms Machine Learning Engineer Interview Questions

The questions to prepare for a Meta Platforms Machine Learning Engineer interview. Questions from real interview reports rank first. Updated weekly.

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1
CodingStart here. 13 questions · ~117 min
Top K Frequent ElementsEasy
Practice
Recently asked

Find the k most frequent elements in an array using counting and a heap or bucket strategy.

Hash Tablestop kHeapMeta Platforms
Kth Largest in Unsorted ArrayMedium
Practice

Use Quickselect to find the kth largest value in an unsorted OpenX bid array without fully sorting it.

ArraysSearchingHeapMeta Platforms
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2
System Design12 questions · ~108 min
Design Facebook Feed RecommenderHard
Recently asked

Design the end-to-end ML system for Facebook Feed recommendation, from retrieval and ranking to serving, evaluation, monitoring, and failure handling.

ML RankingRetrievalRecommendation SystemsMeta Platforms
Content Moderation ML PipelineHard
Recently asked

Tests end-to-end ML pipeline design for high-stakes moderation at scale.

Data QualityFeature StoreModel ServingMeta Platforms
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3
Machine Learning3 questions · ~27 min
L1 vs L2 RegularizationMedium

Tests knowledge of regularization effects on bias-variance and feature selection behavior.

RegularizationModel EvaluationoverfittingMeta Platforms
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4
Behavioral & Leadership12 questions · ~108 min
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5
More topics3 questions · ~27 min
Fresh Features for InferenceHard
Recently asked

Tests pipeline design for feature freshness and consistent online inference.

Stream ProcessingFeature StoreBatch ProcessingMeta Platforms
Model Comparison in ProductionMedium
Recently asked

Tests experimental design, metrics, and decision-making for model promotion.

Evaluation TechniquesClassificationModel MetricsMeta Platforms
Design NLP System for SearchHard

Evaluates your approach to building NLP-driven search systems and relevant ML components.

NLPMeta Platforms
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