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Staff+ Software Engineer, Experimentation

Anthropic · San Francisco, CA | Seattle, WA
$405K - $485KOpen 135 daysVisa sponsorshipParental leaveLeadRustPythonCI/CD

Staff+ Software Engineer, Experimentation is open at Anthropic in San Francisco, CA | Seattle, WA. The posting gives a salary of $405K - $485K. Posted on Jul 2, 2026, and still on Anthropic’s careers page when we last checked, on Nov 14, 2026.

About the role

Anthropic's Infrastructure organization is foundational to our mission of developing AI systems that are reliable, interpretable, and steerable. The systems we build determine how quickly we can train new models, how reliably we can run safety experiments, and how effectively we can scale Claude to millions of users — demonstrating that safe, reliable infrastructure and frontier capabilities can go hand in hand…

The opening lines of the posting. The rest is on Anthropic’s careers page.

Hiring at Anthropic

Anthropic has 669 open roles right now, 59 of them remote. Most are in Engineering, Sales & Business Development and Data & Research. The median advertised salary across its roles with a published range is $352K. See all its roles

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