Frontend Software Engineer, Codex App

About the role

OpenAI is looking for a Frontend Software Engineer to craft high‑performance, polished user interfaces for the Codex desktop application and IDE extensions. The role blends UI craftsmanship with deep technical ownership, requiring close collaboration with design, product, and backend teams to deliver seamless human‑agent collaboration experiences.

Responsibilities

• Develop and ship responsive, high‑performance UI components for the Codex desktop app and IDE extensions.
• Partner with designers to translate prototypes into production‑ready experiences, handling layout, motion, typography, and interaction details.
• Define and evolve frontend architecture, including component systems, state management, navigation, and rendering performance.
• Improve product reliability through testing, instrumentation, and thoughtful handling of failure modes.
• Collaborate with platform, model, and backend engineers to integrate new capabilities into cohesive workflows.

Eligibility

• Minimum three years of professional experience building modern frontend applications.
• Strong proficiency with React, TypeScript, and JavaScript.
• Experience delivering desktop‑class products using Electron or comparable frameworks.

Skills

• React
• TypeScript
• JavaScript
• Electron (or similar desktop runtime)
• UI/UX design sensibility
• State management and performance optimization
• Testing and instrumentation

Benefits

• Competitive salary range aligned with market benchmarks.