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
Cloud Engineer
•
Coding
•
medium
Write a Go program that concurrently pings a list of 10,000 IP addresses (representing our worker nodes) and returns the IPs that are unreachable. Ensure your solution is highly concurrent but does not exceed OS file descriptor limits.
#Go
#Goroutines
#Channels
#Networking
Cloud Engineer
•
Coding
•
medium
Write a Go program to concurrently fetch health check endpoints of 10,000 internal services. It should timeout after 5 seconds and return a list of failed services.
#Go
#Goroutines
#Channels
#Context
Software Engineer
•
Coding
•
medium
Design a thread-safe token bucket rate limiter for the OpenAI API.
#Multithreading
#Locks
#System Design Basics
Software Engineer
•
Coding
•
hard
Given a Directed Acyclic Graph (DAG) representing a computational graph, write an executor that runs independent nodes in parallel.
#Graphs
#Topological Sort
#Multithreading
#Task Scheduling
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.