Software Engineer, API Agents

3 hours agoLeadSalary: 266K - 445KSan Francisco, USABackendJobs by OpenAI

AI research and deployment company building and deploying frontier AI products, including ChatGPT, Codex, and its API platform.

41 current maintainers27 active leads7 new active leads120 lead step-downs17 early lead departures
San Francisco, United States
About OpenAI

OpenAI’s mission is to ensure artificial general intelligence benefits all of humanity. It consists of the nonprofit OpenAI Foundation and OpenAI Group, a public benefit corporation governed by the Foundation.

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Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will build the core backend systems behind the next generation of agents. You will design reliable services and abstractions that help agents find context, use tools and computers, retain knowledge, coordinate long-running workflows, and act safely. You will partner with research, Codex, infrastructure and product teams to turn model progress into dependable production capabilities.

Requirements

  • 7+ years of professional engineering experience in backend, infrastructure, platform, or product-driven roles
  • Exceptional backend fundamentals and track record leading complex systems to production
  • Proficiency in Python, Go, Rust, TypeScript, or similar
  • Strong systems design across distributed systems, APIs, workflow orchestration, search or storage, identity and permissions, observability and reliability
  • Infrastructure depth with product judgment
  • Developer empathy and communication skills
  • High agency in a fast-moving environment

Responsibilities

  • Design, build, and operate the shared agent harness and backend infrastructure for long-running workflows
  • Build reusable capabilities across search, computer use, memory, tool execution, delegation, subagents, and multi-agent orchestration
  • Establish foundations for safe production agents including secure execution, identity and permissions, observability, evaluations, reliability, and cost and latency efficiency
  • Partner with Research, Codex, infrastructure, product teams, and external developers to turn model progress into shared capabilities

Benefits

  • Medical, dental, and vision insurance with employer HSA contributions
  • Pre-tax Health FSA, Dependent Care FSA, and commuter accounts
  • 401(k) with employer match
  • Paid parental leave (up to 24 weeks for birth parents and 20 weeks for non-birthing parents) plus paid medical and caregiver leave (up to 8 weeks)
  • Flexible PTO for exempt employees; up to 15 days annually for non-exempt employees
  • 13+ paid company holidays and paid company office closures
  • Paid sick or safe time
  • Mental health and wellness support
  • Employer-paid basic life and disability coverage
  • Annual learning and development stipend
  • Daily meals in offices and meal delivery credits
  • Relocation support for eligible employees
  • Charitable donation matching and wellness stipends
  • Equity
  • Performance-related bonus