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Staff Backend Tools Engineer — Platform & DX Lead

Posted yesterday

candidateMillbrae (CA)

SENIORITY

Lead

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About the role

Anthropic is seeking Staff+ backend engineers to lead platform acceleration efforts for Claude API, SDKs, and internal tools. Preference for candidates in San Francisco, with Seattle as an option. You will own strategy and drive the most challenging backend problems, while staying hands-on and collaborating with cross‐functional teams. The role requires deep experience with large-scale services, modern languages (Go, Python, Rust, TS), and strong rollout of CI/CD capabilities.

Before you apply

Applying takes about a minute. These four things decide how fast it moves after that.

Your profile is current

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Two examples you can talk through

Not a portfolio — just two pieces of work where you can explain the decisions and what you'd change.

A number in mind

What you're on now and what would make you move. We negotiate better when we know both.

Your notice period

Employers plan around it, and it's the question that stalls offers most often.

Once you apply, someone reads it and calls you before anything reaches the employer — usually within two working days.

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