OpenAI · San Francisco · Hybrid

Full-Stack Software Engineer, Applied Foundations

5/7/2026

Description

OpenAI’s Applications Engineering organization builds and operates the products (such as ChatGPT & Codex) that bring our cutting-edge research to millions of users and developers worldwide.

The Applied Foundations team owns the core product and platform layers that make those experiences possible — from identity & access, to safety to payments & commerce across all of our apps. Our teams span product engineering, infrastructure, and safety, working together to deliver technology that is reliable, secure, and trusted at global scale.

About the Role

We’re hiring Full-Stack Software Engineers to design and implement safe services, systems and infrastructure that power our core products.

In this role, you will:

  • Architect, build, and improve frontend and backend systems.

  • Work across the full stack to build products and systems from initial exploration through launch readiness.

  • Participate in long-term architectural planning and technical design reviews.

  • Collaborate with cross-functional teams to design solutions that protect against and mitigate adversarial attacks without compromising user experience.

Qualifications

  • Have built and shipped full-stack apps or systems end-to-end — in fast-moving, startup-like environments.

  • Have a humble attitude, an eagerness to help your colleagues, and a desire to do whatever it takes to make the team succeed.

  • Enjoy building resilient products and services that handle large scale and complexity.

  • Are self-directed and enjoy figuring out the best way to solve a particular problem

  • Own problems end-to-end, and are willing to pick up whatever knowledge you're missing to get the job done.

Application

View listing at origin and apply!

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