Company profile
X
X is the social platform formerly known as Twitter, with advertising, subscriptions, creator tools, Grok integrations, and payments ambitions. Interviews are likely to favour systems stamina and first-principles problem solving, especially around feed ranking, realtime infrastructure, abuse controls, and operating with lean teams.
The X interview process
X interviews favor systems stamina and first-principles problem solving, often around feed ranking, realtime infrastructure, and abuse controls. Teams run lean, so expect questions about operating with limited resources and owning a broad surface area.
- 1
Recruiter and manager
Background and appetite for lean-team work.
- 2
Coding
Algorithms and practical implementation.
- 3
System design
Feed ranking, realtime systems, and abuse controls.
- 4
Fit and intensity
Operating with lean teams and broad ownership.
What X is looking for
What they value
- Systems depth on realtime, high-scale problems
- Resourcefulness with limited headcount
- Broad ownership and initiative
Culture signals in the loop
- First-principles reasoning over convention
- Comfort owning a wide surface with few people
- High intensity and fast iteration
Questions and process by role
X hires across several engineering and product functions, and the loop shifts with each one. Open a role for the reported questions, the round-by-round focus, and a salary band for that function.
- ML engineer
ML engineer interview questions and process at X.
engineering - AI engineer
AI engineer interview questions and process at X.
ai - AI infrastructure engineer
AI infrastructure engineer interview questions and process at X.
ai - AI red team engineer
AI red team engineer interview questions and process at X.
ai - AI research engineer
AI research engineer interview questions and process at X.
research - Analytics engineer
Analytics engineer interview questions and process at X.
data - BI engineer
BI engineer interview questions and process at X.
data - Data engineer
Data engineer interview questions and process at X.
data
Salary signal
Approximate senior median pay for X's core roles, anchored to San Francisco and modeled from BLS, ONS, and Levels.fyi reference medians. These are market bands for the role and city, not X offers. Open a role for the full city-by-city table.
Employee reviews
X holds a 3.6 Glassdoor rating. External review scores are directional signals. Treat them as context alongside the specific team, location, level, and hiring manager you are interviewing with.
Glassdoor 3.6