Codex Core AI Engineer - Build Real-World Agents

OpenAI; Los Angeles (CA); Hybrid; USD 230,000 - 385,000; Full time

Job summary

A leading AI research company is seeking an Applied AI Engineer to enhance Codex agents' performance in practical software engineering tasks. The role requires collaboration with research and product teams to transform advanced AI capabilities into reliable tools for users. Ideal candidates should have experience with machine learning products, strong Python skills, and an analytical mindset for debugging. This position offers a competitive salary and equity options.

Qualifications

• Experience building or shipping machine learning or LLM-powered products.
• Strong skills in Python and modern ML tooling.
• Experience with model evaluation, fine-tuning, or prompt design.

Responsibilities

• Design and iterate on agent behaviors for real-world tasks.
• Work with research to measure agent performance and failure modes.
• Analyze failures in production to improve robustness.

Skills

Machine learning product development

Python

Model evaluation

Debugging

Job description

A leading AI research company is seeking an Applied AI Engineer to enhance Codex agents' performance in practical software engineering tasks. The role requires collaboration with research and product teams to transform advanced AI capabilities into reliable tools for users. Ideal candidates should have experience with machine learning products, strong Python skills, and an analytical mindset for debugging. This position offers a competitive salary and equity options.