Top 50
Prep plan
Updated weekly · Last refresh Aug 30

Meta Research Engineer Interview Questions

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

50questions
~7htotal time
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1
CodingStart here. 10 questions · ~85 min
Longest Substring Without RepeatsMedium
Practice
Recently asked

Find the longest substring with all unique characters using a sliding window.

Hash TablesStringsTwo PointersMeta
Explaining a Live Coding SolutionEasy
Recently asked

Explain how to present an array/hash-table coding solution clearly in a live interview, from clarification to testing.

Hash TablesArraysSortingMeta
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2
System Design14 questions · ~120 min
Design Cold-Start Product RecommendationsMedium

Design a marketplace recommendation system that handles new users and new items at 35M DAU with p99 latency under 150ms.

Cold StartTwo-Tower ModelsRecommendation SystemsMeta
Design a Real-Time ML Feature StoreHard
Recently asked

Design a shared feature store for training and low-latency inference across many ML systems with strict freshness and consistency needs.

Feature StoreFeature DriftModel ServingMeta
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3
Machine Learning9 questions · ~77 min
Build Personalized Content RecommendationsHard

Build a personalized recommendation model for a digital content platform using ranking signals from user-item interactions and metadata.

Cross-ValidationFeature EngineeringSupervised LearningMeta
Overfitting in Supervised LearningMedium
Recently asked

Explain how to diagnose and reduce overfitting using validation strategy, regularization, and model complexity control.

Feature EngineeringDeep LearningSupervised LearningMeta
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4
Pipelines4 questions · ~34 min
Choosing Batch vs Real TimeHard
Recently asked

Evaluate when a pipeline should use stream processing versus scheduled batch based on latency, cost, complexity, and data quality needs.

Stream ProcessingBatch ProcessingDependenciesMeta
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5
Model Evaluation3 questions · ~26 min
Evaluate Ranking Offline and OnlineMedium
Recently asked

Assesses your ability to validate ranking quality using offline metrics and online experiments.

PrecisionAccuracyRecallMeta
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6
Behavioral & Leadership10 questions · ~85 min
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The finish line: interview-readyComplete all 50 questions to finish this plan.