Software Engineer, Codex Core Agents

OpenAI · Applied AI

Location: San Francisco, California, United States · New York, New York, United States · Seattle, Washington, United States · London, Greater London, United Kingdom
Metro: San Francisco Bay Area, New York City, Seattle, London
Workplace: Unspecified
Level: Unspecified
Type: Full-time
Pay: $230K–$385K/yr (published by employer)
Posted: 7 months ago
Source: Ashby

What the posting covers

About the company

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…

What You’ll Do

Design and build execution environments for AI agents, including sandboxing, isolation, and reproducibility. Develop systems for agent orchestration across multi-step, tool-using workflows. Build infrastructure for running, testing, and debugging code…

You Might Be a Good Fit If You

Have strong experience in distributed systems or infrastructure engineering. Have built systems involving containers, sandboxing, or virtualization. Are comfortable working across backend systems, APIs, and developer tooling. Care deeply about system…

Bonus Points

Experience with code execution platforms, CI/CD systems, or build systems. Experience coding in Rust Familiarity with LLMs, agents, or tool-use frameworks. Background in security engineering or isolation systems. Experience building developer platforms, IDE…

About OpenAI

OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the boundaries of the capabilities of AI systems and seek to safely deploy them to the world through our…

Excerpts only. The employer’s page has the complete posting.