Software Engineer, API Agents

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Software Engineer, API Agents in USA

OpenAI
Full time
Email

USA
10/10/2026
Report

San Francisco, CA

Responsibilities

Design, build, and operate the shared agent harness and backend infrastructure powering long-running workflows.
Build reusable capabilities for search, connected context, computer use, memory, tool execution, delegation, subagents, and multi-agent orchestration.
Create secure execution environments and foundations for identity, permissions, observability, evaluations, reliability, cost efficiency, and latency efficiency.
Partner with Research, Codex, infrastructure, applied product teams, and external developers to translate model progress and workflow needs into shared capabilities.
Lead complex systems from ambiguous problem statements through reliable production services.

Requirements

7+ years of professional engineering experience, excluding internships, in backend, infrastructure, platform, or product-driven engineering roles.
Exceptional backend engineering fundamentals and experience leading complex systems into reliable production.
Proficiency in one or more backend languages such as Python, Go, Rust, or TypeScript, or similar languages.
Strong systems design and operational judgment across distributed systems, APIs, workflow orchestration, search or storage, compute and execution, identity and permissions, or observability and reliability.
Infrastructure depth combined with product judgment and the ability to create simple, durable abstractions.
Strong developer empathy and communication skills, including experience partnering with users, research teams, and product engineers.
High agency and comfort in a fast-moving environment, with ownership of security, reliability, and operational excellence.

Salary: $266k - $445k/yr

OpenAI

OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. AI is an extremely powerful tool that must be created with safety and human needs at its core. OpenAI is dedicated to putting that alignment of interests fi...

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