Software Engineer, Codex Core Agents
Core
Design and operate the infrastructure that powers AI agents in production, enabling safe code execution, tool interaction, and reliable task completion at scale.
Role type
Senior IC distributed systems engineer (AI agent infrastructure)
Builds
Sandbox execution environments, agent orchestration systems, stateful workflow engines, and shared platform capabilities for the Codex product.
Domain
AI infrastructure, distributed systems, developer tooling
Deliverable
production ML models | infrastructure
Required skills
distributed systems engineering, containerization/sandboxing/virtualization, backend systems design, API development, system reliability engineering, performance optimization, security engineering
Preferred skills
Rust programming, CI/CD system design, LLM/agent framework familiarity, open source infrastructure development
Technologies
Rust, containers, virtualization, APIs
Responsibilities
Design sandboxed execution environments for AI agents; Develop multi-step agent orchestration systems; Build infrastructure for running and debugging model-generated code; Create state and memory systems for long-running tasks; Optimize production fleet for tokens, latency, and cost; Support model rollouts and capacity planning; Build shared platform capabilities for product teams.
Seniority
Senior, hands-on IC
