Job brief: Staff+ Software Engineer, Claude Managed Agents

What JoRoute checked · Checked by JoRoute

• Listed on Anthropic's own job board. JoRoute does not take listings from job ads or recruiters.
• First seen by JoRoute 2026-11-04 (3 days ago); last confirmed on the board 2026-11-07.
• The apply link opens job-boards.greenhouse.io, the address Anthropic's board gives for this job.
• No other listing with this title and place on this board in the last 90 days.
• No layoff notices (WARN) under this name in the state files JoRoute reads.

What the listing says · Employer's own words, not checked

• Pay: $405,000 to $485,000 a year
• Job type: Not stated
• Where: San Francisco, CA | New York City, NY · San Francisco, CA
• Posted: 2026-08-20 · over 60 days ago

What the job asks · Employer's own words, not checked

Level: Lead / staff. The title says "Staff".

Must have

• Have a minimum of 8 years of practical experience as a backend, distributed systems, or infrastructure engineer
• Minimum education: Bachelor’s degree or an equivalent combination of education, training, and/or experience
• Required field of study: A field relevant to the role as demonstrated through coursework, training, or professional experience
• Minimum years of experience: Years of experience required will correlate with the internal job level requirements for the position

Conditions

• Take full ownership of your work — from design through build, deployment, and operations (including on-call), to iterating on and improving what you ship
• Location-based hybrid policy: Currently, we expect all staff to be in one of our offices at least 25% of the time. However, some roles may require more time in our offices.

Main duties

• Scale the platform. Managed Agents runs long-lived, stateful sessions that execute autonomously for minutes or hours/days, persist through disconnections, an…
• Evolve the harness — and prove it with evals. The harness is the loop that calls Claude, routes tool calls, manages context (caching, compaction, memory), an…
• Help builders get the most out of Claude. Our customers — internal and external — are building agents both as products for their users and to transform their…
• Design APIs that outlast their implementations. Agents, environments, sessions, vaults, and event streams are interfaces thousands of developers build agains…
• You might be a good fit if you:

Lines copied from the posting, not rewritten. "Preferred" or "nice to have" items are not listed as must-haves.

How it compares · Compared by JoRoute from listings

• Typical listed pay for software engineer jobs in New York, NY: $217k a year (216 listings, 24 employers). This listing is 105% higher.
• Across Anthropic's 544 open listings, 53% of those with a posting date were first posted more than 60 days ago. How Anthropic hires

What nobody outside the employer knows · Not known

• Whether the role is already filled or on hold: employers often leave listings up.
• How many people applied, and who reads the applications.
• Where in the published range an offer would land.

Ask before you apply

1. Is this role still open, and when do you hope to fill it?
2. Which of the listed places is this role based in?
3. What are the interview steps, and when should I expect to hear back?

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Next steps

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