Applied AI Engineer, Codex Core Agent 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 applied AI engineers to help bring Codex agents from impressive demos to dependable tools. This role is about improving agent performance on real software engineering tasks and closing the gap between research capability and real-world usefulness. You’ll work closely with research, infrastructure, and product to ensure agents are not just powerful, but useful, steerable, and reliable in practice…
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

