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Software Engineer, Plugin Developer Platform

OpenAI· Applied AI
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Hybrid (San Francisco)$185k - $490kFull-timePosted 2mo ago

About the role

Platform-minded software engineer to design and ship APIs, SDKs, and tools for building plugins and extending ChatGPT and Codex. Own features from developer conversations through release, collaborating with developers, partners, and the open-source community.

Responsibilities

  • Design and ship APIs, SDKs, and services that developers use to extend ChatGPT and Codex.
  • Make plugins easier to create, test, publish, update, and share.
  • Improve compatibility and consistency across ChatGPT and Codex, including interactive app experiences.
  • Contribute to MCP and other open standards, bringing practical developer needs into their design.
  • Work with developers and partners to understand recurring problems and improve the platform, tooling, and documentation.
  • Work with Product, Research, Security, and Trust & Safety on permissions, compatibility, and safe, reliable execution.

Qualifications

  • Have built software that other developers use (e.g., open-source project, API/SDK, developer platform, internal tools with real users, or devtools company).
  • Have opinions about APIs and abstractions, and can explain tradeoffs behind decisions.
  • Enjoy talking with developers and learning what they are trying to build.
  • Able to move between product questions and technical details, identify what matters, and take work from an unclear problem through to production.
  • Comfortable working across web interfaces and backend systems, and learning unfamiliar parts of the stack.
  • Interested in defining how developers build software for AI agents, including open standards such as MCP.

Skills

Required:APIsSDKsDeveloper relations / communicationBackend systemsSecurity & safety considerations
Nice to have:Open standards (MCP)

Benefits

  • Medical, dental, and vision insurance for you and your family, with employer contributions to Health Savings Accounts
  • Pre-tax Health FSA, Dependent Care FSA, and commuter accounts
  • 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 additional paid office closures, 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 offices, and meal delivery credits
  • Relocation support for eligible employees
  • Charitable donation matching and wellness stipends (additional taxable fringe benefits)
Last updated Aug 20, 2026. Interested? Apply on the company site.

About OpenAI

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