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
Full Stack Engineer
•
Coding
•
medium
Implement a React component that consumes a Server-Sent Events (SSE) endpoint to display a streaming chat response, similar to ChatGPT.
#React
#SSE
#Streaming
#State Management
Full Stack Engineer
•
Coding
•
easy
Create a custom React hook `useDebounce` and implement it within an autocomplete search input for querying a prompt library.
#React
#Hooks
#Performance
Full Stack Engineer
•
Coding
•
medium
Write a function to traverse a DOM tree and extract all visible text, simulating how a web scraper plugin might extract context for an LLM.
#DOM Manipulation
#Recursion
#Trees
Full Stack Engineer
•
Technical
•
hard
How do you handle React state updates when receiving high-frequency streaming data (e.g., 50 chunks per second) without causing UI freezing or performance degradation?
#React
#Performance
#Rendering
Full Stack Engineer
•
Technical
•
medium
Describe how you would implement optimistic UI updates for a chat application where the backend response might take several seconds to begin.
#UX
#State Management
#API Integration
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.