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
Frontend Engineer
•
Coding
•
hard
Implement a virtualized list component from scratch in React to render a chat history with 100,000 messages of variable heights.
#Performance
#DOM Manipulation
#React
Frontend Engineer
•
Coding
•
medium
Implement a rate-limit UI component. When a user hits a rate limit (e.g., GPT-4 usage cap), the submit button should disable and show a live countdown timer until they can prompt again.
#React
#Time Management
#State Management
Frontend Engineer
•
Coding
•
hard
Implement a rich text editor component that supports @mentions. When a user types '@', a dropdown should appear to select different AI models (e.g., GPT-3.5, GPT-4).
#DOM Manipulation
#Event Handling
#Positioning
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.