Software Engineer, Codex Runtime
OpenAISan Francisco, California, United States
Posted January 12, 2026
Full Time
About the Company
OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity.
Job Description
We are building an AI software engineer, Codex, that can pair with, delegate to, or even ask to take on future tasks proactively. The Codex Runtime team is responsible for building the execution and infrastructure layer that turns Codex from a code generator into a real AI software engineer operating at scale.
Requirements
- Strong software engineering fundamentals and experience turning ideas into production-grade large-scale distributed systems
- Experience with orchestration of scaled containerization and/or virtualization systems
- Proficiency in one or more backend languages (e.g. Python, Go, Rust) and concurrency/distributed systems concepts
- Experience with team/enterprise foundations such as identity and access (SAML/OIDC), SCIM, RBAC, audit/compliance logging, policy enforcement, and data governance controls
- Experience with developer tools and workflows (CLI/IDE/SDK), automation systems (triggers/scheduling), or integration platforms that connect products to a broader ecosystem of tools
Benefits
- Generous Paid Time Off
- 401k Matching
- Retirement Plan
- Visa Sponsorship
- Four Day Work Week
- Generous Parental Leave
- Tuition Reimbursement
- Relocation Assistance