Software Engineer, Agent Platform

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Join OpenAI's Agent Platform team to build and scale the production systems that power AI agents such as Codex and tool use in ChatGPT. You'll design APIs, orchestration systems, and execution environments that let agents run code, use tools, and interact with software reliably and securely at scale. This is a hybrid role based in San Francisco with 3 days per week in the office.

• Build and operate production services enabling agents to execute code, use tools, and interact with external systems
• Design APIs and platform abstractions for product teams to launch agentic experiences
• Develop orchestration systems managing agent execution, state, resource allocation, retries, and recovery
• Improve platform reliability, latency, and efficiency through performance optimization and observability
• Partner with product, research, security, and infrastructure teams to bring capabilities to production
• Own systems through their full lifecycle from design to rollout, monitoring, and operation

• Experience building and operating large-scale backend services, distributed systems, or cloud infrastructure
• Strong understanding of system performance, concurrency, failure modes, and resource management
• Comfort working across service boundaries and collaborating end to end
• Experience with cloud platforms, containers, orchestration systems, or infrastructure-as-code tools such as Terraform

• Interest in secure execution environments, sandboxing, and running agent workloads in production
• Experience turning early prototypes into reliable, scalable services