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Frontend Software Engineer, Codex App

San Francisco💼 Full-time🗓 2026-02-18 → 2026-07-31

Core

Build and maintain the Codex desktop app and IDE extension to enable developers to interact with AI agents for editing code, running tasks, and reviewing changes.

Role type

Senior Frontend Software Engineer (Desktop/IDE)

Builds

Codex desktop application and IDE extensions for developer workflows

Domain

AI-powered developer tools and IDEs

Deliverable

product features

Required skills

React, TypeScript, UI/UX design engineering, desktop application development (Electron), frontend architecture, performance optimization, testing and instrumentation

Preferred skills

Experience with developer tools or IDE extensions, experience with agent interaction patterns

Technologies

React, TypeScript, Electron

Responsibilities

Build and ship polished, high-performance UI for the Codex desktop app and IDE extension; Partner with design to prototype and iterate on new interaction models for human-agent collaboration; Define frontend architecture decisions including component systems and state management; Collaborate with backend partners to integrate new AI capabilities into product flows

Seniority

Senior, hands-on IC

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