Top 19
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Updated weekly · Last refresh Aug 30

Meta Platforms Research Engineer Interview Questions

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

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1
CodingStart here. 3 questions · ~24 min
Microphone Array CalibrationMedium

Tests applied signal processing knowledge for calibrating microphone arrays for spatial audio.

CalibrationMeta Platforms
Acoustic Echo Cancellation FilterHard

Tests applied DSP and adaptive filtering skills for multi-mic echo cancellation.

Meta Platforms
FIR Filter Math and ImplementationMedium

Tests DSP fundamentals and practical implementation skills for FIR filtering.

Meta Platforms
2
System Design5 questions · ~40 min
Edge Bottleneck IdentificationMedium

Tests ability to analyze performance bottlenecks for real-time signal processing on edge hardware.

edge devicesbottlenecksMeta Platforms
Real-Time Spatial Audio RenderingHard

Tests system design for low-latency audio rendering and practical performance trade-offs.

latencyreal-time systemsMeta Platforms
Optimize LLM Training LoopHard

Tests ML system design skills for scaling large models efficiently across multi-GPU clusters.

InfrastructureFeature StoreModel ServingMeta Platforms
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3
Behavioral & Leadership9 questions · ~72 min
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4
More topics2 questions · ~16 min
Supervised vs Self-Supervised + Contrastive LossMedium

Tests ML fundamentals and ability to implement contrastive learning components.

Supervised LearningMeta Platforms
Production Logging and Evaluation PipelineHard

Tests system design for ML observability, evaluation, and continuous monitoring in production.

monitoringMeta Platforms

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