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Full-Stack Software Engineer, Applied Foundations

About the TeamOpenAI’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 th

Company

OpenAI

Location

San Francisco; Mountain View

Status

Open

Posted

2026-05-07T19:45:42.11+00:00

OpenAI is hiring full-stack engineers for its Applied Foundations team, part of the Applications Engineering group behind ChatGPT and Codex. The role covers frontend and backend systems: designing and building services and infrastructure across identity and access, safety, and payments and commerce, with architectural planning and design reviews along the way. The posting asks for people who have shipped full-stack products end to end in fast-moving environments, own problems end to end, and can collaborate on defenses against adversarial attacks. Hybrid in San Francisco or Mountain View.