Meta

Social media and metaverse company behind Facebook, Instagram, and WhatsApp.

4 Rounds ~21 Days Very Hard

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The Interview Loop

Recruiter Screen (30 min)

Standard fit check, behavioral questions, and resume overview.

Technical Loop (3-4 Rounds)

Deep dive into domain knowledge, coding, and system design.

Interview Question Bank

All Roles Data Analyst 4 Data Scientist 7

All Topics Statistics 9 SQL 7 Experimentation 7 Deep Learning 5 Machine Learning 5 Product Sense 4 ML Systems 3 NLP 3

Data Scientist • System Design • hard

We want to test a new feature in Facebook Groups that relies heavily on user interaction. How would you design an A/B test for this feature, keeping in mind that treating one user might affect the experience of another user in the same group?

#Network Effects #Cluster Randomization #A/B Testing

Data Scientist • Technical • hard

How do you design an A/B test for a new product feature?

#A/B Testing #Statistics

Data Scientist • Technical • hard

How would you design an experiment to measure the impact of a new ranking algorithm?

#Experimentation #Metrics

Data Scientist • Technical • hard

What is a network effect in experimentation? How do you handle SUTVA violation?

#SUTVA #Network Effects

Data Scientist • Technical • easy

What is an experiment holdout group?

#Holdout #Control Group

Data Scientist • Technical • hard

How does Meta measure the ROI of a Reels algorithm change?

#Reels #Metrics

Data Scientist • Technical • hard

What is a 'triggered analysis' in the context of Meta's experimentation framework?

#Triggered Analysis

Difficulty Radar

Based on recent AI-sourced data.

Meet Your Interviewers

The "Standard" Interviewer

Senior Engineer

Focuses on core competencies, system constraints, and clear communication.

Unwritten Rules

Think Out Loud

Always explain your thought process before writing code or drawing architecture.