Interview guide
The Zero interview process
4 stages, about 14 days from first call to offer, with a take-home task. The focus is technical depth and system design.
We don't yet have verified candidate reports for Zero. What follows is the typical process for a -person AI company, so treat it as a model, not confirmed detail.
Interview stages
- 1
Recruiter Screen
Phone or video · 30 min
What it testsBasic qualification and logisticsUsually run byRecruiter or HR - 2
Hiring Manager Interview
Video call · 45 min
What it testsRole fit and experience deep-diveUsually run byHiring manager - 3
Technical/Functional Round
Video call · 60 min
What it testsSkills assessment and problem-solvingUsually run byTeam members - 4
Final Round
In-person or video · 60 min
What it testsCulture fit and cross-functional alignmentUsually run bySenior leadership
Zero take-home assignment
Zero includes a take-home exercise in their interview process. For AI roles, this typically involves a practical problem that takes 2-4 hours. Focus on clean, working code over premature optimization. They're evaluating how you think and communicate, not just the solution.
Zero interview timeline
Timeline: ~14 days. That's about average than the AI median (14 days at people).
Interviewed at Zero?
Tell us how it went: stages, questions, timeline. Takes 90 seconds and it's how this page stays accurate for the next person.
Tracking Zero
Interviewing at Zero? Reach the hiring manager first.
Zero interview, frequently asked questions
How many rounds is the Zero interview?
4 stages: Recruiter Screen, Hiring Manager Interview, Technical/Functional Round, Final Round.
Is the Zero interview hard?
Focus on technical depth and system design, not puzzles. Technical Interview is reportedly the most challenging round.
Does Zero give a take-home task?
Yes, Zero includes a take-home assignment.
How long does Zero take to get back to you?
Around 14 days across the full process.
What should I prepare for the Zero interview?
Focus on technical depth and system design. At people, they're testing whether you can operate without process, not whether you memorised algorithms.