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Updated weekly · Last refresh Oct 17

We Are Meta Machine Learning Engineer Interview Questions

The questions to prepare for a We Are Meta Machine Learning Engineer interview. Questions from real interview reports rank first. Updated daily.

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1
System DesignStart here. 5 questions · ~40 min
Design a Personalized Product RecommenderHard

Design an end-to-end product recommendation system for a large e-commerce marketplace with strict latency and freshness needs.

Feature StoreFeature DriftModel ServingWe Are Meta
Distributed Training for BillionsHard

Assesses your system design skills for training very large models at scale.

distributed trainingWe Are Meta
A/B Testing a Ranking AlgorithmMedium

Assesses your experimentation design and safeguards for user impact in ranking systems.

user experienceA/B TestingWe Are Meta
Training-Serving Feature ConsistencyMedium

Tests your ability to prevent training-serving skew and ensure dependable feature delivery.

We Are Meta
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2
Machine Learning5 questions · ~40 min
Detecting and Mitigating Data DriftMedium

Tests your ability to monitor model inputs and respond to drift to protect performance.

data driftproductionmitigationWe Are Meta
Optimization and ConvergenceMedium

Tests your understanding of optimization dynamics and their impact on convergence.

We Are Meta
Handling Class ImbalanceMedium

Tests your ability to choose and apply imbalance strategies for large-scale classification.

ClassificationClass ImbalanceWe Are Meta
Transformer for RecommendationsHard

Evaluates your ability to design transformer models for recommendation use cases.

architectureWe Are Meta
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