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Staff Software Engineer, Environments Infrastructure

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,

Company

Anthropic

Location

San Francisco, CA; New York City, NY

Status

Open

Posted

2026-07-24T23:58:05+00:00

Anthropic's Environments organization builds the frameworks and platform layers that support reinforcement-learning work on Claude. This staff engineer designs APIs and abstractions researchers build on, owns the runtime beneath every environment, adds debugging and maintenance tooling, and embeds with research teams on rotation. The posting wants deep Python, strong API design taste, experience with stateful concurrent or distributed systems, and a habit of verification. Anthropic lists a San Francisco or New York on-site role paying $405,000–$605,000.