Product Designer, Evals & Prompts
Anthropic · San Francisco
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- Company
- Anthropic
- Location
- San Francisco
- Salary
- $305,000 — $385,000
- Posted
- September 4, 2026
About this job
About the role Prompts spec out what Claude does. Evals measure whether it did. The Product Prompt and Eval Design team does both for product design: the system prompt that greets a new user, the tool descriptions that decide whether Claude searches, the instructions that keep a slide deck from tipping into slop, and the evals that test all of it. The point is to keep the model and the product aligned with what users expect, what the product strategy calls for, and what safety requires, on every surface and through every model launch. This role is a foundational member of that work on the eval side: building the evals that check the prompts, the harness that runs them, and the tools that let designers do this work themselves.…
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