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02 / Hiring process
Five stages, and one of them decides it
5 stages from application to offer. Technical screen is reported to be the one that decides it.
5stages
01
Recruiter screen 30 minutes, genuine mission alignment probed
A thirty minute call reported to genuinely probe mission alignment and interest in AI safety specifically, not a background check formality, sometimes split across two calls.
02
Technical screen 60 to 90 minutes, build a small system
A remote coding round reported to run sixty to ninety minutes in a collaborative environment, favoring building a small working system from scratch over isolated algorithm puzzles, with production quality code expected throughout.
03
Hiring manager screen 45 to 60 minutes, engineering judgment
A conversation reported to focus on engineering judgment, past project decisions and technical tradeoffs, ahead of the onsite loops.
04
First onsite loop technical depth, must pass to continue
The first of two separate onsite loops, reported to run on its own day, with the second loop cancelled outright if a candidate doesn't clear this one.
05
Second onsite loop and decision system design, presentation, values, then a decision
A second onsite loop reported to run on a separate day, covering system design, a presentation, and a dedicated values and culture round, reported by Anthropic recruiters to be where most candidates who fail actually fail, ahead of reference checks and team matching. The full process is reported to take three to six weeks from recruiter screen to offer.
Ask before the interview: what will this round cover, who will I meet, and is there anything I should prepare?The question almost nobody asks
03 / Question library
Interview question practice library
The recruiter screen, the technical screen and the seven principles apply broadly across teams, so the core set below covers that ground. Each team then adds the technical depth specific to it.
61questions
Asked in every interviewAsked in every Anthropic interview
01 Why Anthropic specifically, not just a general interest in AI? Why Anthropic Open guide
Find your angle. Recruiters are reported to probe genuine mission alignment from the first call, not accept a general enthusiasm for the AI industry as an answer.
Build your answer
- Name something specific about Anthropic's approach. Not just 'AI is exciting'.
- Tie it to something you've actually done. A project, reading, or decision that points at this specific approach.
- State what you want to work on here specifically. Concrete, not a vague mission statement.
Bring the evidence
One specific, real reason tied to your own experience for choosing Anthropic's particular approach over AI generally.
What weakens it
AI is the most exciting field right now and I want to be part of it.
Likely follow upWhich other AI labs are you interviewing with, and how does this compare?
Pro
Build this answer out of your own experience
The guide for this question: what the stage is scoring, three steps to structure the response, the evidence worth bringing, what weakens it, and the follow up. Then Pro drafts your version of it against your CV, so you walk in with your own answer rather than someone else's script.
Subscribe to Pro Unlimited preparation, every question, every company.02 Tell me about a time you changed your mind about a technology's risk after actually using or studying it. Genuine safety interest Open guide
Find your angle. The recruiter screen is reported to probe genuine interest in AI safety specifically, testing for real engagement rather than a rehearsed talking point.
Build your answer
- Describe your original view. What you believed before.
- Explain what changed it. A specific experience or piece of evidence.
- State your updated view honestly. Even if it's more uncertain than before.
Bring the evidence
A specific instance of genuinely updating a view on a technology's risk based on real engagement with it, not a rehearsed position.
What weakens it
I've always understood that AI safety is important.
Likely follow upWhat would change your view again in the other direction?
Pro
Build this answer out of your own experience
The guide for this question: what the stage is scoring, three steps to structure the response, the evidence worth bringing, what weakens it, and the follow up. Then Pro drafts your version of it against your CV, so you walk in with your own answer rather than someone else's script.
Subscribe to Pro Unlimited preparation, every question, every company.03 Walk me through how you'd approach building a small working system from scratch under a real time limit. Technical screen Open guide
Find your angle. The technical screen is reported to favor building a small working system over isolated algorithm puzzles, testing practical engineering judgment.
Build your answer
- Describe your first move. What you'd build or decide first.
- Explain what you'd deliberately keep simple. A real scoping decision under the clock.
- State what you'd do if you ran out of time. Communicating what's done and what isn't.
Bring the evidence
A specific instance of building a working system from scratch under real time pressure, with an honest account of what got scoped down.
What weakens it
I'd start by designing the full architecture properly.
Likely follow upWhat would you cut first if you had half the time?
Pro
Build this answer out of your own experience
The guide for this question: what the stage is scoring, three steps to structure the response, the evidence worth bringing, what weakens it, and the follow up. Then Pro drafts your version of it against your CV, so you walk in with your own answer rather than someone else's script.
Subscribe to Pro Unlimited preparation, every question, every company.04 Tell me about a time you had to make a technical decision with incomplete information and defend it afterward. Engineering judgment Open guide
Find your angle. The hiring manager screen is reported to focus on engineering judgment and past technical decisions, not just technical skill.
Build your answer
- Describe the incomplete information. What you didn't know.
- Explain the decision and your reasoning. Not just the outcome.
- State how you defended it when questioned. Real pushback, not hypothetical.
Bring the evidence
A specific instance of making and later defending a technical decision made under genuine uncertainty.
What weakens it
I always gather complete information before deciding.
Likely follow upWhat would have changed your decision if you'd had more information upfront?
Pro
Build this answer out of your own experience
The guide for this question: what the stage is scoring, three steps to structure the response, the evidence worth bringing, what weakens it, and the follow up. Then Pro drafts your version of it against your CV, so you walk in with your own answer rather than someone else's script.
Subscribe to Pro Unlimited preparation, every question, every company.05 Describe a time you had to clear one hurdle before being allowed to attempt the next one. First onsite loop Open guide
Find your angle. The reported two-loop onsite structure only proceeds to the second loop if the first is cleared, a genuinely higher-stakes gate than one continuous day.
Build your answer
- Describe the sequential hurdles. Concrete, not vague.
- Explain how you approached the first one knowing more depended on it. Real pressure.
- State the outcome. Whether you cleared it.
Bring the evidence
A specific instance of facing a real sequential gate where failing the first stage would have ended the process entirely.
What weakens it
I perform the same regardless of what's riding on a particular stage.
Likely follow upHow did knowing the stakes of the first hurdle change how you approached it?
Pro
Build this answer out of your own experience
The guide for this question: what the stage is scoring, three steps to structure the response, the evidence worth bringing, what weakens it, and the follow up. Then Pro drafts your version of it against your CV, so you walk in with your own answer rather than someone else's script.
Subscribe to Pro Unlimited preparation, every question, every company.06 Tell me about a time you had to present your own work to people who could ask hard, specific questions about it. Presenting under scrutiny Open guide
Find your angle. The onsite is reported to include a presentation component, testing whether a candidate can defend their own work under direct scrutiny.
Build your answer
- Describe what you presented. Concrete.
- Explain the hardest question you got. Real, not softened.
- State how you handled it. Honest, including any gaps in your answer.
Bring the evidence
A specific instance of presenting your own work to an audience that asked a genuinely hard, specific question, with an honest account of how you handled it.
What weakens it
I always prepare thoroughly so questions don't catch me off guard.
Likely follow upWhat would you have done if you genuinely didn't know the answer?
Pro
Build this answer out of your own experience
The guide for this question: what the stage is scoring, three steps to structure the response, the evidence worth bringing, what weakens it, and the follow up. Then Pro drafts your version of it against your CV, so you walk in with your own answer rather than someone else's script.
Subscribe to Pro Unlimited preparation, every question, every company.07 What would you want an interviewer testing for mission alignment to actually learn about you? Values round preparation Open guide
Find your angle. The values and culture round is reported to be where most candidates fail, testing genuine alignment rather than a rehearsed answer.
Build your answer
- Name something specific, not generic enthusiasm. Concrete.
- Explain why it's genuine, not performed. Tied to something real you've done.
- Answer it yourself honestly. Show you'd hold up under follow-up.
Bring the evidence
A specific, genuine quality or belief you'd want a values-focused interviewer to actually uncover, not a generic statement of enthusiasm.
What weakens it
I'd want them to see how passionate I am about AI.
Likely follow upHow would they actually verify that in a single conversation?
Pro
Build this answer out of your own experience
The guide for this question: what the stage is scoring, three steps to structure the response, the evidence worth bringing, what weakens it, and the follow up. Then Pro drafts your version of it against your CV, so you walk in with your own answer rather than someone else's script.
Subscribe to Pro Unlimited preparation, every question, every company.08 Tell me about a time you chose the simplest solution that actually worked over a more sophisticated one that would have impressed more. Simplicity Open guide
Find your angle. Directly maps to Anthropic's published value naming impact over sophistication explicitly.
Build your answer
- Describe the more sophisticated option. What would have been more impressive.
- Explain why you chose simple instead. The actual reasoning.
- State the outcome. Whether simple was actually enough.
Bring the evidence
A specific instance of choosing a genuinely simpler solution over a more impressive one, with an honest account of whether it was actually sufficient.
What weakens it
I always look for the most elegant solution.
Likely follow upWhat would have made the more sophisticated option worth it?
Pro
Build this answer out of your own experience
The guide for this question: what the stage is scoring, three steps to structure the response, the evidence worth bringing, what weakens it, and the follow up. Then Pro drafts your version of it against your CV, so you walk in with your own answer rather than someone else's script.
Subscribe to Pro Unlimited preparation, every question, every company.09 Describe a time you communicated something difficult kindly and directly, without softening it into vagueness. Helpfulness Open guide
Find your angle. Directly maps to Anthropic's published value naming both directness and kindness, not one at the expense of the other.
Build your answer
- Describe the difficult thing. Specific, not vague.
- Explain how you kept it both kind and direct. Not softened into ambiguity.
- State the outcome. How it was received.
Bring the evidence
A specific instance of delivering difficult feedback or news that was genuinely both kind and direct, not softened into vagueness.
What weakens it
I always try to be kind when delivering difficult news.
Likely follow upWhat would you have done if being direct had upset the person?
Pro
Build this answer out of your own experience
The guide for this question: what the stage is scoring, three steps to structure the response, the evidence worth bringing, what weakens it, and the follow up. Then Pro drafts your version of it against your CV, so you walk in with your own answer rather than someone else's script.
Subscribe to Pro Unlimited preparation, every question, every company.10 Tell me about a time you set aside a personal preference because a shared goal mattered more. Mission focus Open guide
Find your angle. Directly maps to Anthropic's published value naming the mission as the final arbiter over individual preference.
Build your answer
- Describe your personal preference. What you would have preferred.
- Explain why the shared goal won out. The actual reasoning.
- State what you gave up. Concrete, not glossed over.
Bring the evidence
A specific instance of setting aside a real personal preference because a shared goal took priority, with an honest account of what was given up.
What weakens it
I always put the team's goals first.
Likely follow upWhat would it have taken for your personal preference to win out instead?
Pro
Build this answer out of your own experience
The guide for this question: what the stage is scoring, three steps to structure the response, the evidence worth bringing, what weakens it, and the follow up. Then Pro drafts your version of it against your CV, so you walk in with your own answer rather than someone else's script.
Subscribe to Pro Unlimited preparation, every question, every company.11 Describe a time you made a bold, long-term call rather than the safer, more immediately comfortable one. Global good Open guide
Find your angle. Directly maps to Anthropic's published value naming boldness in service of long-term outcomes over short-term comfort.
Build your answer
- Describe the safer, comfortable option. What would have been easier.
- Explain the bolder call you made instead. Specific, not vague.
- State the real cost of that choice. Honest, not glossed over.
Bring the evidence
A specific instance of making a bold decision aimed at a better long-term outcome, at a real cost in the short term.
What weakens it
I always try to think about the long term.
Likely follow upWhat would you have done if the bold call had backfired?
Pro
Build this answer out of your own experience
The guide for this question: what the stage is scoring, three steps to structure the response, the evidence worth bringing, what weakens it, and the follow up. Then Pro drafts your version of it against your CV, so you walk in with your own answer rather than someone else's script.
Subscribe to Pro Unlimited preparation, every question, every company.12 What's something about how you work that would show up in your first month here, not in this interview? Weakness Open guide
Find your angle. A direct weakness question framed to resist a rehearsed non-answer, since Anthropic interviewers have heard 'I care too much' many times.
Build your answer
- Name something concrete and current. Not a resolved weakness from years ago.
- Describe the real friction it's caused. A specific instance.
- Explain what you're actively doing about it. In progress, not a finished transformation.
Bring the evidence
A specific habit that's still a live work in progress, with a recent moment it caused real friction, not a flaw already put behind you.
What weakens it
Sometimes I keep polishing a thing well after it's already done its job.
Likely follow upCan you give a specific recent instance where that actually caused a problem?
Pro
Build this answer out of your own experience
The guide for this question: what the stage is scoring, three steps to structure the response, the evidence worth bringing, what weakens it, and the follow up. Then Pro drafts your version of it against your CV, so you walk in with your own answer rather than someone else's script.
Subscribe to Pro Unlimited preparation, every question, every company.13 Tell me about a time you stated something confidently that turned out to be wrong, in front of others. Judgment Open guide
Find your angle. Onsite technical rounds are reported to include direct challenges, testing recovery from a confidently wrong claim rather than perfection.
Build your answer
- Describe the confident but wrong claim. What made it a real, live mistake.
- Explain how you noticed and corrected it. The actual moment you realized.
- State the outcome after the correction. What happened once you fixed it.
Bring the evidence
A specific instance of confidently stating something wrong in front of others, with a concrete account of the recovery.
What weakens it
I always double check before stating something confidently.
Likely follow upHow did the group react to you correcting yourself?
Pro
Build this answer out of your own experience
The guide for this question: what the stage is scoring, three steps to structure the response, the evidence worth bringing, what weakens it, and the follow up. Then Pro drafts your version of it against your CV, so you walk in with your own answer rather than someone else's script.
Subscribe to Pro Unlimited preparation, every question, every company.Software Engineering (Infrastructure)6 to practise
6 questions
The questions this role actually gets asked
The core set above is asked whatever you applied for. These 6 are specific to Software Engineering (Infrastructure), and they are usually what the decision turns on.
Create a free account14 Tell me about a time you had to keep a system running reliably as demand on it grew quickly. Scaling Open guide
Find your angle. Infrastructure supporting frontier model training and inference is reported to face real, fast-growing scale demands.
Build your answer
- Describe the original, smaller scale. What worked fine at first.
- Explain what strained as it grew. The actual pressure point.
- State what you changed to handle the new scale. A concrete structural change.
Bring the evidence
A specific instance of adapting a system to handle real, fast growth in demand, with a concrete structural change made.
What weakens it
I'm good at scaling systems as needed.
Likely follow upWhat would you do differently if you'd known the growth was coming from the start?
Pro
Build this answer out of your own experience
The guide for this question: what the stage is scoring, three steps to structure the response, the evidence worth bringing, what weakens it, and the follow up. Then Pro drafts your version of it against your CV, so you walk in with your own answer rather than someone else's script.
Subscribe to Pro Unlimited preparation, every question, every company.15 Describe a time you had to fix a problem that only happened intermittently and was hard to reproduce. Debugging Open guide
Find your angle. Infrastructure at massive scale is reported to surface intermittent failures that are genuinely hard to reproduce on demand.
Build your answer
- Describe the intermittent failure. What made it hard to reproduce.
- Explain how you approached diagnosing it anyway. A specific method.
- State the outcome. Whether you found and fixed the real cause.
Bring the evidence
A specific instance of diagnosing a genuinely intermittent, hard-to-reproduce failure, with an honest account of the outcome.
What weakens it
I usually try to reproduce the issue before fixing it.
Likely follow upWhat would you have done if you genuinely couldn't reproduce it at all?
Pro
Build this answer out of your own experience
The guide for this question: what the stage is scoring, three steps to structure the response, the evidence worth bringing, what weakens it, and the follow up. Then Pro drafts your version of it against your CV, so you walk in with your own answer rather than someone else's script.
Subscribe to Pro Unlimited preparation, every question, every company.16 Tell me about a time a physical or hardware limitation shaped a software decision you had to make. Constraints Open guide
Find your angle. Infrastructure work supporting GPU and specialized compute is reported to require software decisions genuinely shaped by hardware constraints.
Build your answer
- Describe the hardware constraint. Concrete.
- Explain how it shaped your software approach. Specific, not generic.
- State the outcome. Whether the approach worked within the constraint.
Bring the evidence
A specific instance where a real hardware or physical limitation directly shaped a software or process decision, with an honest account of the outcome.
What weakens it
I usually design software independent of hardware constraints.
Likely follow upWhat would you have done if the hardware constraint had been even tighter?
Pro
Build this answer out of your own experience
The guide for this question: what the stage is scoring, three steps to structure the response, the evidence worth bringing, what weakens it, and the follow up. Then Pro drafts your version of it against your CV, so you walk in with your own answer rather than someone else's script.
Subscribe to Pro Unlimited preparation, every question, every company.17 Describe a time you had to keep something running while changing its underlying infrastructure. Migration Open guide
Find your angle. Infrastructure migrations at scale are reported to require maintaining reliability for live users throughout the transition, not just at the end state.
Build your answer
- Describe what had to keep running. Concrete.
- Explain your approach to the migration. Phased, or another specific method.
- State whether reliability actually held. Honest.
Bring the evidence
A specific instance of maintaining reliability for live users while migrating underlying infrastructure, with an honest account of whether it held.
What weakens it
I always plan migrations carefully to avoid disruption.
Likely follow upWhat would you have done if disruption turned out to be unavoidable?
Pro
Build this answer out of your own experience
The guide for this question: what the stage is scoring, three steps to structure the response, the evidence worth bringing, what weakens it, and the follow up. Then Pro drafts your version of it against your CV, so you walk in with your own answer rather than someone else's script.
Subscribe to Pro Unlimited preparation, every question, every company.18 Tell me about a time you had to anticipate a spike in demand before it happened. Capacity planning Open guide
Find your angle. Infrastructure supporting predictable but large demand spikes is reported to require proactive capacity planning, not just reactive scaling.
Build your answer
- Describe how you anticipated the spike. What signal tipped you off.
- Explain what you did to prepare. A concrete action taken in advance.
- State what happened when the spike actually hit. Whether the preparation held.
Bring the evidence
A specific instance of proactively preparing a system for an anticipated spike in demand, with an honest account of whether the preparation held.
What weakens it
Anticipating a spike ahead of time is something I try to build into my planning.
Likely follow upWhat would you have done if the spike had been much bigger than anticipated?
Pro
Build this answer out of your own experience
The guide for this question: what the stage is scoring, three steps to structure the response, the evidence worth bringing, what weakens it, and the follow up. Then Pro drafts your version of it against your CV, so you walk in with your own answer rather than someone else's script.
Subscribe to Pro Unlimited preparation, every question, every company.19 How would you justify an infrastructure investment to someone without a technical background who had to approve it? Tradeoffs Open guide
Find your angle. Infrastructure investments at this scale are reported to require justifying real costs to non-technical decision makers.
Build your answer
- State the tradeoff in plain terms first. Before technical detail.
- Give the business consequence of each option. Cost, time, or risk.
- Recommend one and say why. Don't present options neutrally.
Bring the evidence
A specific technical or infrastructure tradeoff explained to someone without the background to evaluate it directly, who still had to approve the decision.
What weakens it
Plain language tends to come naturally to me when explaining something technical.
Likely follow upWhat would you do if they wanted the cheaper option you didn't recommend?
Pro
Build this answer out of your own experience
The guide for this question: what the stage is scoring, three steps to structure the response, the evidence worth bringing, what weakens it, and the follow up. Then Pro drafts your version of it against your CV, so you walk in with your own answer rather than someone else's script.
Subscribe to Pro Unlimited preparation, every question, every company.What you get
Less than the cost of one lunch, for a great deal more confidence.- Unlimited tailored interview preparation
- A massive database of actual questions and answer guides
Role specific
Pick your role and the list narrows to what that role tends to get asked.
A guide for every answer
What the question is testing, three steps to build your answer, and the evidence to bring.
Prepared, not guessing
You walk in knowing the shape of the round and which of your own stories fits it.
04 / In the news
Worth mentioning in the room
The strongest answer to why this company is something that happened last month.
4stories
Free account
What happened at this employer this month
Stories screened from everything published about this employer, chosen because they can be used in the room rather than because they are recent.
- Each one carries a line on how to use it in the answer
- Crime, recalls, litigation and share price moves are excluded outright
- Refreshed daily, so it is different the week of your interview
Recent, and usable
Stories to 19 Sept 2026How to use itShows where Anthropic is putting its money. Tie it to the part of the job that actually touches it.
How to use itNumbers you can quote. Name the direction, not the decimal, and say what it means for the team you would join.
How to use itConcrete evidence you follow the business. Use it inside why Anthropic, not as loose trivia.
How to use itRecent and specific. Use it once, inside why Anthropic, then move on.
05 / The seven values
What is actually being scored
Anthropic publishes seven principles in this exact language. Bring one real story for each rather than a general answer about wanting to work in AI.
7stories
Act for the Global Good
A time you made a bold, long-term call rather than the safer, more immediately comfortable one.
Hold Light and Shade
A time you had to seriously weigh both the upside and the real risk of the same decision at once.
Be Good to Our Users
A time you went beyond what was strictly required for someone affected by your work, not just your direct customer.
Ignite a Race to the Top on Safety
A time you raised the bar on quality or safety in a way that pushed people around you to do the same.
Do the Simple Thing That Works
A time you chose the simplest solution that actually worked over a more sophisticated one that would have impressed more.
Be Helpful, Honest, and Harmless
A time you communicated something difficult kindly and directly rather than softening it into vagueness.
Put the Mission First
A time you set aside a personal preference or competing priority because the shared goal mattered more.
06 / Before you apply
Where candidates lose it
Pro
Where candidates lose this before anyone meets them
The part of the process that eliminates most people is not the interview. It is what happens around it, and almost none of it is written down anywhere.
- The assessment answers that read as dishonest rather than confident
- What the availability question is really deciding
- The application detail that cannot be edited once submitted
!
Four ways this goes wrong before anyone meets you
The second onsite loop doesn't happen for everyone
It's reported to be cancelled outright if a candidate doesn't clear the first loop, a harder gate than a single long onsite day where every round happens regardless.
The values round is reported to be the real filter
Anthropic recruiters are reported to say most failing candidates fail here specifically, not in the technical rounds, meaning genuine, specific mission alignment matters as much as technical skill.
The technical screen favors building over solving puzzles
Candidates are reported to be asked to build a small working system from scratch rather than solve an isolated algorithmic problem, with production quality expected even under the time limit.
Sales is the largest team by open headcount, not research
A live sample shows Sales as the single largest category of open roles, larger than AI Research and Engineering, reflecting the go to market scale needed to deploy a frontier model commercially.
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