AI Security Platform Engineer (Full-Stack)

OpenAI; California (MO); On-site; USD 150,000 - 230,000; Full time

Job summary

OpenAI is seeking software engineers to help build Codex Security, an AI-native security product. You will own end-to-end features across developer interfaces, APIs, and backend services, turning complex research and customer needs into reliable systems.

This role demands strong builder instincts and comfort working across product, security, infrastructure, and developer tooling. You will collaborate with cross-functional teams to implement scalable analyses on large codebases, drive

Qualifications

• Build end-to-end product features for Codex Security, from developer-facing interfaces to APIs, backend services, and workflow tooling.
• Own ambiguous 0-to-1 projects across product pods, platform security controls, customer deployment workflows, and cyber model infrastructure.
• Translate security research and model capabilities into intuitive workflows that help teams find, validate, prioritize, and remediate vulnerabilities with high signal.
• Design scalable, observable systems for long-running analyses across large codebases and enterprise environments.
• Partner with product, security research, infrastructure, and customer-facing teams to iterate quickly from real-world feedback.
• Help shape the technical direction and architecture of Codex Cyber as the team and product surface area grow.

Responsibilities

• Build end-to-end product features for Codex Security, from developer-facing interfaces to APIs, backend services, and workflow tooling.
• Own ambiguous 0-to-1 projects across product pods, platform security controls, customer deployment workflows, and cyber model infrastructure.
• Translate security research and model capabilities into intuitive workflows that help teams find, validate, prioritize, and remediate vulnerabilities with high signal.
• Design scalable, observable systems for long-running analyses across large codebases and enterprise environments.
• Partner with product, security research, infrastructure, and customer-facing teams to iterate quickly from real-world feedback.
• Help shape the technical direction and architecture of Codex Cyber as the team and product surface area grow.

Skills

Strong software engineering

Full-stack generalist

Job description

OpenAI is seeking software engineers to help build Codex Security, an AI-native security product. You will own end-to-end features across developer interfaces, APIs, and backend services, turning complex research and customer needs into reliable systems.

This role demands strong builder instincts and comfort working across product, security, infrastructure, and developer tooling. You will collaborate with cross-functional teams to implement scalable analyses on large codebases, drive