Software Engineer, Codex Core Agents

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San Francisco Full-time$230k–$385k / year Posted 30+ days ago

Above market. This role pays above the $220k median for similar USD roles (772 comparable postings in our corpus).

That means working across the systems that make Codex actually function as an agent in the real world: the production performance envelope around tokens, latency, reliability, cost, and capacity; the core execution loop and interfaces that turn models into useful behavior; the shared infrastructure that enables other teams to build on Codex; and the feedback loops that turn real-world usage into better models and better agent behavior over time. You’ll design and operate the infrastructure behind sandboxed execution, orchestration, stateful workflows, app-server and SDK boundaries, and model…

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