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Software Engineer, API Multicloud

OpenAI· Core Product & Platform
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Hybrid (San Francisco)$266k - $445k + equity + bonusFull-timePosted 4mo ago

About the role

OpenAI is seeking an experienced infrastructure engineer to design, build, and operate the systems that run OpenAI’s API across cloud service providers, enabling reliable, scalable, and secure API delivery in multi-cloud environments.

Responsibilities

  • Design and build cloud infrastructure and distributed services that connect API requests, routing, and model-serving deployments.
  • Stand up and operate model-serving environments in partnership with inference engineers, bringing new models and serving capabilities into production.
  • Plan and manage cloud capacity, improving utilization, caching, request performance, and cost efficiency as demand grows.
  • Create repeatable build, release, and validation processes that catch functional and performance regressions before launch.
  • Develop reusable infrastructure abstractions that let API capabilities run consistently across CSPs while accommodating provider-specific requirements.
  • Partner with OpenAI’s inference, API, infrastructure, and security teams and CSP engineers to bring up the API serving stack on new platforms, resolve operational issues, and shape shared technical priorities.
  • Own production health through observability, incident diagnosis, reliability improvements, and practical automation.

Qualifications

  • 7+ years of experience leading cloud infrastructure or distributed systems projects from architecture through launch and ongoing production ownership.
  • Strong distributed systems fundamentals and the ability to reason about performance, reliability, and failure modes.
  • Hands-on experience building and operating services on a major CSP, including deployment systems, networking, storage, and cloud-native integrations.
  • Strong production coding and debugging skills, with the ability to move confidently through unfamiliar services and infrastructure.
  • Experience with capacity planning, performance optimization, or operational tooling for production systems at scale.
  • Sound technical judgment: you can turn ambiguous requirements into practical systems and reusable infrastructure.
  • Clear technical communication and experience working across teams or organizational boundaries to deliver complex projects.
  • Curiosity about model serving and AI infrastructure. Experience deploying models is a plus; direct ML or model-training experience is not required.

Skills

Required:Cloud infrastructureDistributed systemsCSP experienceCoding and debugging
Nice to have:Capacity planning / performance optimization

Benefits

  • Medical, dental, and vision insurance for you and your family, with employer contributions to Health Savings Accounts
  • Pre-tax accounts for Health FSA, Dependent Care FSA, and commuter expenses (parking and transit)
  • 401(k) retirement plan 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)
  • Paid time off: flexible PTO for exempt employees and up to 15 days annually for non-exempt employees
  • 13+ paid company holidays, and multiple paid coordinated company office closures throughout the year for focus and recharge, plus 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 our offices, and meal delivery credits as eligible
  • Relocation support for eligible employees
  • Additional taxable fringe benefits, such as charitable donation matching and wellness stipends may also be provided
Last updated Sep 24, 2026. Interested? Apply on the company site.

About OpenAI

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Company profileWebsite

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