Applied AI Engineer, Codex Core Agent

Openai · San Francisco · All 703 Openai jobs

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Checker · last seen live 06 Nov 2026
Still open
Employment
Permanent
Posted
26 Mar 2026
Age
6 months old (since 26 Mar)
Source
Employer's own page, Ashby
Advertised pay
Not stated
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Half of recent ai engineer adverts in San Francisco state $198,646 to $240,000 a year. The middle is $214,380.

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Required skills

  • Python

Nice to have

  • A/B testing
  • Machine Learning
  • LLMs
  • Compliance

About the job

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…

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