Software Engineer, Codex Ecosystem & Enterprise

london, england, United-Kingdom • Posted May 27, 2026

Job Type: Full-time
Location: london, england
Posted: May 27, 2026
Category: IT & Technology
Application Deadline: July 06, 2026

Role Description

Software Engineer, Codex Ecosystem & Enterprise

Codex - Engineering - London, UK

About the Team

With Codex we’re building an AI software engineer. One that you can pair with, delegate to, or even ask to take on future tasks proactively. Our team is a fast‑moving group within OpenAI, bringing together research, engineering, design, and product. We iteratively build the Codex agent harness and product to get the most out of the model, and we iteratively train the model to be great at complex software engineering tasks.

The Codex team is responsible for building state‑of‑the‑art AI systems that can write code, reason about software, and act as intelligent agents for developers and non‑developers alike. We operate across research, engineering, product, and infrastructure; owning the full lifecycle of experimentation, deployment, and iteration on novel coding capabilities.

Codex Ecosystem and Enterprise builds the ecosystem building blocks,...

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