Top 36
Prep plan
Updated weekly · Last refresh Aug 30

Meta Platforms Research Scientist Interview Questions

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

36questions
~5htotal time
Track your progressSign up free to work through all 36 questions and resume where you left off.
Start practicing free →
1
CodingStart here. 8 questions · ~73 min
Merge Two Sorted ArraysEasy
Practice
Recently asked

Merge two sorted arrays into one sorted array using a two-pointer linear scan.

ArraysSortingTwo PointersMeta Platforms
Detect Cycles in Task GraphMedium
Practice
Recently asked

Detect whether a directed dependency graph of startup tasks contains a cycle using DFS or topological ordering.

dfscycle detectionGraphsMeta Platforms
More Coding questions with a free account
2
Machine Learning4 questions · ~36 min
Feature Engineering for ML ModelsEasy
Recently asked

Explain how feature engineering improves supervised models and how to choose useful transformations.

Cross-ValidationFeature EngineeringModel EvaluationMeta Platforms
Supervised vs Unsupervised LearningEasy
Recently asked

Explain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.

Unsupervised LearningFeature EngineeringBias-Variance TradeoffMeta Platforms
More Machine Learning questions with a free account

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
3
System Design7 questions · ~64 min
Design a Resident Recommendations SystemMedium
Recently asked

Design a recommendation and ranking system for a property management platform that personalizes listings and workflow suggestions.

Feature StoreRetrievalModel ServingMeta Platforms
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 Platforms
More System Design questions with a free account
4
Behavioral & Leadership15 questions · ~137 min
More Behavioral & Leadership questions with a free account
5
More topics2 questions · ~18 min
Evaluate Machine Learning PerformanceMedium
Recently asked

Tests ability to choose metrics, validation strategy, and interpret results for model quality.

PrecisionAccuracyRecallMeta Platforms
Survey Weights ConstructionHard

Tests your statistical reasoning for survey weighting and your ability to justify assumptions.

Data AnalysisMeta Platforms
The finish line: interview-readyComplete all 36 questions to finish this plan.