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
Software Engineer
•
Coding
•
medium
Implement an LRU cache with a time-to-live (TTL) for each entry, ensuring expired items are evicted efficiently.
#Linked Lists
#Hash Maps
#Caching
Software Engineer
•
Coding
•
medium
Merge K sorted streams of log data based on timestamps, where each stream is too large to fit in memory.
#Heaps
#Pointers
#External Sorting
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.