OpenAI
Leading AI research laboratory developing state-of-the-art foundation models like GPT-4.
5 Rounds
~21 Days
Very Hard
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
Machine Learning Engineer
•
Coding
•
hard
Implement a Ring All-Reduce algorithm simulation. Given an array of N nodes, each with an array of numbers, write code to perform the scatter-reduce and all-gather phases.
#Networking
#Parallel Computing
#Algorithms
Machine Learning Engineer
•
Technical
•
medium
What are the specific trade-offs between Tensor Parallelism (TP), Pipeline Parallelism (PP), and Fully Sharded Data Parallelism (FSDP)? When would you use each?
#Model Parallelism
#GPU
#Networking
Difficulty Radar
Based on recent AI-sourced data.
Meet Your Interviewers
The "Standard" Interviewer
Senior EngineerFocuses on core competencies, system constraints, and clear communication.
SimulateUnwritten Rules
Think Out Loud
Always explain your thought process before writing code or drawing architecture.