Principal Software Engineer

Responsibilities

• Design, build, and evolve the bridge between the Codex harness and research training infrastructure
• Own major integration surfaces end-to-end, from architecture and API design through rollout and maintenance
• Build reliable, containerized execution systems to support demanding training workloads at scale
• Partner with research, agent, infrastructure, and platform teams to support new training use cases
• Design clean, stable interfaces and workflows for highly technical internal users
• Establish durable abstractions to prevent technical debt
• Raise the bar for correctness, reliability, and operational rigor

Requirements

• Significant experience building and scaling backend or infrastructure systems
• Deep strength in API design, systems design, and engineering fundamentals
• Proficiency in Python
• Experience with backend platform engineering
• Track record of leading cross-functional technical efforts
• Strong product sense and user empathy for internal platforms and developer tooling

Preferred Qualifications

• Experience with Rust

About the Company

OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity.