OpenAI
Frontend Software Engineer, Codex App
$230K–$385K
San Francisco · Full-time · Posted Oct 1, 2026
About the job
Build and refine the Codex desktop app and IDE extension, creating polished interfaces for developers to collaborate with AI agents.
What you'll do
- Build and ship high-performance UI across the desktop app and IDE extension.
- Partner with design to turn prototypes into polished production experiences and iterate on agent interaction interfaces.
- Own frontend architecture and improve reliability through testing, instrumentation, and collaboration with platform, model, and backend teams.
What they ask for
- Strong experience with modern frontend stacks, including React and TypeScript.
- High bar for UI craft and attention to interaction details.
- Experience building desktop-caliber product experiences, using Electron or similar.
Nice to have
- Experience with developer tools or IDE extensions.
Pay
$230K – $385K USD base salary
Tools
React, TypeScript, Electron
AI focus
Develop interfaces for human-agent collaboration, including delegation, task timelines, progress, handoffs, review, and control surfaces.
Model-written summary · the original posting is authoritative