Software Engineer, Codex Core Agents

Highlights

• Build sandboxed execution environments powering Codex agents in production.
• Design orchestration for multi-step, tool-using agent workflows at scale.
• Optimize tokens, latency, reliability and cost across Codex fleet.

What they offer

• Equity

Ideal candidate

Infrastructure-minded engineer who thrives on ambiguous zero-to-one problems and cares deeply about reliability, performance, and security to turn frontier models into dependable agents.

Requirements

• Strong experience in distributed systems or infrastructure engineering
• Experience building systems with containers, sandboxing, or virtualization
• Comfortable working across backend systems, APIs, and developer tooling
• Deep care for system reliability, performance, and security
• Thrives on ambiguous, zero-to-one problems