Software Engineer, Tokens and Prompt Structures

Anthropic · San Francisco, CA | New York City

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Company
Anthropic
Location
San Francisco, CA | New York City
Salary
$320,000 — $405,000
Posted
September 16, 2026

About this job

About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems. About the Role: The Encodings Infra team maintains the libraries that engineers and researchers across Anthropic use to encode text and multimodal data into a form that Claude can consume. It also determines Claude’s prompt shape: how a user’s turn is represented to the model, how Claude calls tools and receives tool results, and so on.…

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Software Engineer, Tokens and Prompt Structures — Anthropic | NewLuxJob