Real, anonymous reports from people who interviewed for Software Engineer at Anthropic, newest first and distilled into what to expect across the loop.
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I ran into a straightforward but still end-to-end coding challenge that kept adding complexity.
Technical screen (interactive coding) — I was given images plus a list of operations (like transforms/rotation/grayscale) and had to apply them; the interviewer kept me moving level by level as complexity increased, and I needed proper end-to-end implementation to finish.
2 months ago
Average Neutral United States
I hit Anthropic’s earlier-stage technical screens and didn’t get past the coding assessments.
Automated assessment (CodeSignal) — I was given an online test that progressed through multiple stages of the same problem, with complexity increasing each step; I didn’t move beyond this.
2 months ago
Difficult Negative Canada
My experience stretched across months and ended with leadership concerns about cultural alignment, after an unusually late rejection. Long loop (multi…
2 months ago
Difficult Positive Canada
For this role, the loop felt extremely rigorous and centered on careful, safety-minded “first principles” thinking over speed. Recruiter screen — I di…
3 months ago
Difficult Neutral San Francisco, CA
I made it through recruiter and a few technical rounds, but the questions were notably harder and I didn’t reach onsite. Recruiter screen + technical …
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What to expect
Distilled from the reports
Technical Screen & Coding Assessments
Candidates can expect a mix of automated and live coding assessments, often with increasing complexity and time pressure. Success in these rounds requires not only correctness but also speed and the ability to handle edge cases effectively.
CodeSignaltime pressureincremental complexity
Interview Loop Structure
The interview process typically involves multiple stages, including recruiter screens, technical interviews, and sometimes a follow-up interview, which can span several weeks to months. Candidates should be prepared for a rigorous evaluation of both technical skills and cultural fit.
multi-stagelong processculture fit
Focus on First Principles & Safety
Interviews often emphasize reasoning through problems with a focus on reliability and safety, particularly in system design discussions. Candidates should be ready to explain their thought process and decision-making in detail.
first principlessafetysystem design
Behavioral & Cultural Fit
Behavioral interviews assess alignment with the company's mission and values, with a strong emphasis on cultural fit. Candidates should prepare to discuss their motivations and how they align with the company's goals.
behavioralcultural alignmentmission fit
Communication & Interpersonal Dynamics
The quality of interactions with interviewers can significantly impact the candidate experience, with some reports highlighting negative experiences that overshadow technical performance. Candidates should be prepared for varying interviewer styles and dynamics.
Candidates often experience delays and lack of communication after interviews, particularly during reference checks. It's important to be patient and proactive in following up, as this can affect the overall experience.