Twitter / X
Real-time social platform with petabyte-scale data and ML ranking systems.
4 Rounds
~14 Days
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 an autocomplete system for @mentions. As the user types, return the top 5 matching usernames based on a combination of prefix match and the user's interaction frequency.
#Trie
#Hash Maps
#Sorting
Full Stack Engineer
•
Coding
•
medium
Design and implement an LRU (Least Recently Used) Cache to store recently fetched tweets on the client side.
#Linked Lists
#Hash Maps
#Caching
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.