Full-Stack Software Engineer, Security & Platform Builder

OpenAI's Codex Security team is looking for software engineers who can own ambiguous product and platform problems end to end. We seek strong full-stack or generalist builders with a curiosity for security and a knack for turning complex research, product, and customer needs into reliable, scalable systems. You will work across user-facing surfaces, developer workflows, backend services, security analysis pipelines, cloud infrastructure, and internal tooling, collaborating closely with