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OpenAI Logo OpenAI · IT - Software Development

Software Engineer, Backend (Knowledge Innovation)

United States, San Francisco, Seattle 230000.00 - 385000.00 USD / Year · Job Posted February 21, 2026
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Job Description

We’re looking for a Backend Software Engineer to help architect and scale the infrastructure that powers our knowledge systems. This is a deeply technical and highly cross-functional role where you’ll build robust systems and backend services that serve as the foundation for how knowledge is created, accessed, and applied across OpenAI.

Job Responsibility

  • Design, build, and maintain backend services and APIs to support intelligent automation and knowledge systems
  • Integrate and structure data across internal platforms, transforming it into formats optimized for use by downstream systems and AI workflows
  • Collaborate closely with product, research, and engineering teams to integrate OpenAI models into high-leverage workflows
  • Own the full development lifecycle of new backend systems and internal platform capabilities
  • Build with scale and maintainability in mind, while rapidly iterating on new ideas

Requirements

  • 4+ years of backend engineering experience at product-driven companies (excluding internships)
  • Proficiency in backend technologies (tech stack includes Python, FastAPI, and Postgres)
  • Experience designing and scaling distributed systems, APIs, or data processing pipelines
  • A pragmatic mindset
  • An interest in structured knowledge representation, internal search, agent infrastructure, or systems that evolve over time
  • Curiosity about AI/ML and excitement to work alongside world-class research and product teams

Nice to have

hands-on experience with AI/ML is a bonus

What we offer

  • Offers Equity
  • 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 to fuel your professional growth
  • 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
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