Anthropic·Software Engineer

Anthropic Software Engineer interview experience

No offer

Hard

Neutral

Posted Sep 2025 · Candidate report, summarized by Dataford

The process took about four weeks, and it was packed with a lot of distinct stages—seven in total.

I started with a CodeSignal take-home where I had to build a key-value file system, then had a recruiter call that laid out the process and asked about my experience.

After that, I moved into a live coding interview focused on an async web crawler, and then a systems design interview about scaling a function to around 100,000 requests per second. I also had to review a design document, then did another recruiter conversation framed around career goals. The last step was a culture fit interview.

By the end, I could feel the time and energy it required, and each stage seemed designed to test

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