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
•
hard
How would you design an A/B test to evaluate the impact of the 'Community Notes' feature on the spread of misinformation?
#A/B Testing
#Metrics Definition
#Misinformation
Data Scientist
•
Technical
•
medium
What metrics would you define to measure the success of the X Premium (formerly Twitter Blue) subscription service?
#Monetization
#KPIs
#Strategy
Data Scientist
•
Technical
•
hard
How do you evaluate the trade-off between increasing ad load in the timeline and potential degradation of user engagement?
#Trade-offs
#Monetization
#Experimentation
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.