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 Cloud Engineer 3 Data Engineer 4 Machine Learning Engineer 2 ML Engineer 3 Software Engineer 6

All Topics ML System Design 4 Algorithms 2 ML Theory 2 Engineering Excellence 1 Adaptability 1 ML Infrastructure 1 Execution 1 ML Engineering 1

Machine Learning Engineer • Coding • medium

Given two sparse vectors represented as arrays of non-zero elements and their indices, write a function to compute their dot product. Optimize for both time and space complexity.

#Arrays #Hash Table #Two Pointers

Machine Learning Engineer • Coding • medium

Given a binary tree, write an algorithm to find the lowest common ancestor (LCA) of two given nodes. Assume each node has a pointer to its parent.

#Trees #Pointers #Hash Table

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.