Job brief: Research Engineer, Interpretability

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 (2 days ago); last confirmed on the board 2026-11-06.
• 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: $315,000 to $560,000 a year
• Job type: Not stated
• Where: San Francisco, CA
• Posted: 2025-11-07 · over 60 days ago

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

Level: Senior. The posting asks for 10+ years of experience.

Must have

• Have 5-10+ years of experience building software
• Are curious about interpretability research and its role in AI safety (though no research experience is required!)
• 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

• 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

• Build and maintain the specialized inference and training infrastructure that powers interpretability research - including instrumented forward/backward pass…
• Resolve scaling and efficiency bottlenecks through profiling, optimization, and close collaboration with peer infrastructure teams
• Design tools, abstractions, and platforms that enable researchers to rapidly experiment without hitting engineering barriers
• Help bring interpretability research into production safety audits - with real deadlines and high reliability expectations
• Work across the stack - from model internals and accelerator-level optimization to user-facing research tooling

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 engineer jobs in San Francisco, CA: $193k a year (679 listings, 42 employers). This listing is 127% higher.
• Across Anthropic's 541 open listings, 54% 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.

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