Staff Software Engineer, Internal Products
Anthropic · Remote-Friendly (Travel-Required) | San Francisco, CA | Seattle, WA | New York City, NY
About this role
**About Anthropic** Anthropic’s mission is to create reliable, interpretable, and steerable AI systems—safe and beneficial for users and society. **About the role** As Anthropic grows, more work runs through internal software that must keep up. This role helps build Claude-first internal products: Claude handles as much repetitive, multi-step work as it safely can, while people decide what needs human judgment. We’re seeking Staff+ full-stack engineers to drive greenfield internal product development across the stack—both the products people use and the agents that work alongside them. Work will touch business-critical data, so correctness matters as much as speed. **Key responsibilities** - Design and ship internal products end to end (data model → UI) for workflows teams across Anthropic depend on. - Put Claude to work on real tasks (gathering decision context, drafting next steps in multi-step processes, keeping records consistent), and determine when an agent should act vs. when a well-designed UI is better. - Make agents safe to trust with real work: scoped access, guardrails, evals, audit trails, and clear human confirmation points. - Build shared capabilities used by both people and agents, exposed via APIs and MCP tools, so the same rules/approvals apply to whoever makes the call. - Treat speed and polish as product requirements—identify friction in real workflows and remove unnecessary steps. - Build for correctness and data integrity (idempotency, reconciliation, audit trails where needed). - Integrate with third-party systems teams already rely on, and build the layer on top where people and agents get work done. - Set technical direction over multiple quarters; lead engineers across teams through large, ambiguous projects; improve teammates via design/code reviews and mentorship. - Operate what you ship: own reliability and be on call for critical workflows. **Minimum qualifications** - Experience shipping production software as a backend-leaning full-stack engineer (data model, API, and UI). - Experience building software on LLMs/agents, with a point of view on when agents act vs. ask first. - Experience leading complex, user-facing full-stack product delivery through shifting requirements. - Experience designing for correctness and data integrity from the start. - Experience working closely with non-engineering partners to turn ambiguous needs into clear requirements. **Preferred qualifications** - Experience building internal tools/platforms other teams rely on (nice to have). - Experience taking an agent into production for high-stakes workflows (evals + guardrails). - Experience with zero-to-one or rebuilding products teams depend on daily. - Experience building on top of third-party platforms via APIs (knowing when to extend vs. build). **Compensation (Annual Salary)** - **$405,000 — $485,000 USD** **Logistics** - **Minimum education:** Bachelor’s degree or equivalent combination of education/training/experience. - **Required field of study:** A field relevant to the role (as demonstrated through coursework, training, or professional experience). - **Minimum years of experience:** Correlates with internal job level requirements. - **Location-based hybrid policy:** Staff are expected to be in one of the offices at least **25%** of the time (some roles may require more). - **Visa sponsorship:** Available, but not guaranteed for every role/candidate. If offered, Anthropic will make reasonable efforts and retains an
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