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Software Engineer - API Designer

Open AI

Salary not specified
Oct 7, 2025
San Francisco, CA, US
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OpenAI is looking for a software engineer to own the design of their APIs, which are the core product of the company and are used by millions of developers and enterprises worldwide. The goal is to ensure the API design and development are meticulously crafted to provide the best possible experience for developers building AI applications.

Requirements

  • Appreciate taste in API design – you believe there are well designed APIs and poorly designed APIs
  • Can thrive and operate independently in a fast-paced environment with ambiguous requirements and goals
  • Love building for other developers, and thrive on feedback from opinionated users
  • Are an engineer at heart, but are willing to lean into product decisions.
  • Think of APIs as ladders.

Responsibilities

  • Design and build products that we launch in API – extending existing endpoints, adding new endpoints, or rethinking our entire API suite.
  • Play a major role in our API Review process – working with all other teams to ensure our APIs meet our design standard.
  • Collaborate closely with the rest of the API team, our Developer Experience team, and our GTM team to make our APIs the best in the world.

Other

  • We are looking for engineers who not only love building APIs, but who will also sweat the details around API design and have a discerning taste for well designed API experience.
  • You will play a major role in shaping the future roadmap of the OpenAI API – by both building and designing it.
  • We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic.
  • Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable law, including the San Francisco Fair Chance Ordinance, the Los Angeles County Fair Chance Ordinance for Employers, and the California Fair Chance Act.
  • We are committed to providing reasonable accommodations to applicants with disabilities, and requests can be made via this link.