Software Engineer, Tokens and Prompt Structures at Anthropic

Company: Anthropic
Location: San Francisco, CA | New York City, NY
Employment type: Full-time
Posted: 2026-09-16
Technologies: Anthropic

About the role

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.…

Apply on Anthropic's official careers page: https://job-boards.greenhouse.io/anthropic/jobs/5421263008