OpenAI, Inc. logo

Full-Stack Software Engineer, Applied Foundations

Job Overview

Location

San Francisco

Job Type

Full-time

Category

Full-Stack Engineer

Date Posted

May 8, 2026

Full Job Description

đź“‹ Description

  • • Full-Stack Software Engineer role focused on designing and implementing safe services, systems, and infrastructure that power core products like ChatGPT and Codex within OpenAI’s Applications Engineering organization.
  • • Day-to-day responsibilities include architecting, building, and improving frontend and backend systems; working across the full stack from initial exploration to launch readiness; participating in long-term architectural planning and technical design reviews; and collaborating with cross-functional teams to design solutions that protect against adversarial attacks without compromising user experience.
  • • The role is part of the Applied Foundations team, which owns the core product and platform layers enabling identity & access, safety, payments & commerce across all applications, spanning product engineering, infrastructure, and safety to deliver reliable, secure, and trusted technology at global scale.
  • • The engineer will have opportunities to grow by owning problems end-to-end, learning new skills as needed, contributing to high-impact systems used by millions, and working in a mission-driven environment focused on safe and beneficial AI deployment.

🎯 Requirements

  • • Experience building and shipping full-stack applications or systems end-to-end in fast-moving, startup-like environments
  • • Humble attitude, eagerness to help colleagues, and willingness to do whatever it takes to make the team succeed
  • • Enjoyment of building resilient products and services that handle large scale and complexity
  • • Self-directed mindset with ability to figure out the best way to solve problems independently
  • • Ownership of problems end-to-end and willingness to pick up missing knowledge to complete tasks

🏖️ Benefits

  • • Opportunity to work on cutting-edge AI products that impact millions of users and developers worldwide
  • • Collaboration with cross-functional teams including product engineering, infrastructure, and safety experts
  • • Engagement in long-term architectural planning and technical design for scalable, secure systems
  • • Commitment to reasonable accommodations for applicants with disabilities via formal request process
  • • Adherence to fair chance hiring practices, including consideration of qualified applicants with arrest or conviction records under local and state laws

Skills & Technologies

Full Stack
Onsite

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About OpenAI, Inc.

OpenAI is a San Francisco-based artificial intelligence research and deployment company founded in 2015. It develops large-scale AI models such as GPT, DALL-E, and Codex, providing cloud APIs and consumer applications like ChatGPT. Originally established as a non-profit, it later created a capped-profit subsidiary to attract capital while maintaining its mission to ensure artificial general intelligence benefits all of humanity.

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