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
DevOps Engineer
•
Coding
•
hard
Implement a basic rate limiter in Python using a token bucket algorithm to protect our Tweet posting API from abuse.
#Python
#Rate Limiting
#Concurrency
#Algorithms
DevOps Engineer
•
Coding
•
medium
Given a list of server logs with timestamps, write a program to find the peak traffic window of exactly 5 minutes.
#Sliding Window
#Data Processing
#Time Series
DevOps Engineer
•
Coding
•
easy
Write a function to validate if a given string is a valid IPv4 or IPv6 address without using built-in IP validation libraries.
#String Manipulation
#Networking
#Validation
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.