Software Engineer, Codex Core Agents is open at OpenAI in San Francisco. The posting gives a salary of $230K - $385K. Posted on Mar 26, 2026, and still on OpenAI’s careers page when we last checked, on Nov 14, 2026.
About the role
We’re looking for engineers to build the infrastructure that powers Codex agents in production. This role focuses on the systems that let models safely execute code, interact with tools, complete long-running tasks, and operate reliably and efficiently at scale. You’ll design and operate the infrastructure behind sandboxed execution, orchestration, stateful workflows, app-server and SDK boundaries, and model…
The opening lines of the posting. The rest is on OpenAI’s careers page.
Hiring at OpenAI
OpenAI has 838 open roles right now, 31 of them remote. Most are in Engineering, Sales & Business Development and Data & Research. The median advertised salary across its roles with a published range is $308K. See all its roles

