Software Engineer, Codex Core Agents at OpenAI
- Company: OpenAI
- Location: San Francisco
- Employment type: Full-time
- Salary: $230K – $385K • Offers Equity
- Posted: 2026-03-26
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 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. About the Role We’re looking for engineers to build the infrastructure that powers Codex agents in production.…
Apply on OpenAI's official careers page: https://jobs.ashbyhq.com/openai/7ade7a12-845c-4e3a-af23-c028420bd181