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Software Engineer, Codex Core Agents

OpenAI — Agentic AI · Artificial Intelligence (AI) · Enterprise Software

San Francisco · New York City · Seattle · London, UK Mid $230K – $385K • Offers Equity Posted Mar 26, 2026
RustREST/APIsBackend
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About the role

About the Team The Codex Core Agent team builds the kernel of Codex. We own making the agent better, accelerating research, and making those improvements real in production for our users. That means working across the systems that make…

What the index says about this role

  • First seen by JobLarper — Aug 2, 2026, 76 days ago. Older postings collect hundreds of applicants — a tailored résumé matters more the longer a role has been live.
  • What Software Engineer roles ask for — across 10,383 indexed openings: REST/APIs (41%), Python (38%), Backend (38%), Cloud (33%), Go (28%). This posting names REST/APIs, Backend.
  • OpenAI is hiring actively — 463 open roles indexed, 81 first appeared in the last 30 days.

Derived from the 28,483 roles JobLarper indexes daily from official company boards — not from the job description above.

⚡ JobLarper watched this role appear on OpenAI's official board on Mar 26, 2026. Sign up free to get alerted minutes after roles like this go live, and tailor your real résumé to the exact description — nothing invented.

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