Software Engineer, Tokens and Prompt Structures

Summary

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…

This is a short summary. The full description, and the application form, are on Anthropic’s own careers page.

Location

San Francisco, CA | New York City, NY

Visa sponsorship

Yes

Relocation support

No

Salary

$320,000 — $405,000 USD

Role family

Software Engineer (general)

Posted

16 Sept 2026 · 31 days ago

Last checked

17 Oct 2026