GrepJob
OpenAI

Applied AI Engineer, Codex Core Agent

OpenAI
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about 4 hours ago
London, United Kingdom +3 more
Mid Level / Senior

Base Salary

$230k - $325k/yr

Responsibilities

  • Design and iterate on agent behaviors for real-world coding tasks.
  • Develop and run evaluations to measure agent performance and identify failure modes.
  • Enhance performance through prompting, tool-use strategies, and experimentation.
  • Analyze production failures to improve robustness and reliability.
  • Build feedback loops and data systems for better real-task data.
  • Collaborate with product teams to shape user-facing agent experiences.
  • Define success criteria for agents completing complex tasks.

Requirements

  • Experience building or shipping machine learning or LLM-powered products.
  • Strong proficiency in Python and familiarity with modern ML tooling.
  • Experience with model evaluation, fine-tuning, or prompt design.
  • Ability to think in terms of systems and user outcomes.
  • Enjoyment in debugging real-world failures and implementing improvements.
  • Desire to work on systems that translate research into user-friendly applications.

Tech Stack

Python

Categories

AI & MLData Science