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Applied AI Engineer, Codex Core Agent

OpenAI · San Francisco · New York City · Seattle · London, UK

CHECKED 23H AGO

Frontier labonsite$230k–$385k
Apply on the lab’s site ↗

At a glance

Highlights

  • Build the kernel of Codex and turn demos into dependable tools.
  • Improve agent performance on real software engineering tasks.
  • Shape execution loop and feedback loops that improve models over time.

What they offer

  • equity

Ideal candidate

Systems thinker who loves debugging messy real-world failures and turning research into reliable, useful agents that deliver real economic value for developers.

Requirements

  • Experience building or shipping machine learning or LLM-powered products
  • Strong in Python and comfortable with modern ML tooling
  • Experience with model evaluation, fine-tuning, or prompt design
  • Think in terms of systems and user outcomes, not just model metrics
  • Enjoy debugging messy, real-world failures and turning them into improvements
  • Want to work turning research potential into systems that work for users

Lab profile

About OpenAI

Builds safe frontier AI models and products like ChatGPT for broad benefit.

What they build

  • ChatGPT
  • OpenAI API
  • Frontier AI models

Known for

  • Frontier-scale distributed ML training
  • Massive GPU fleet and data center operations
  • Exabyte-scale data lakes and streaming
  • AI alignment and safety research

Key facts

  • Operates one of the world's largest GPU fleets
More about OpenAI →
Apply on the lab’s site ↗