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
Data Scientist
•
Technical
•
medium
How would you deal with highly skewed data, such as user follower counts, when building a regression model?
#Data Transformation
#Outliers
#Modeling
Data Scientist
•
Technical
•
medium
If a user has a 10% chance of seeing an ad on any given page load, what is the probability they see at least one ad in 5 page loads?
#Probability
#Binomial Distribution
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.