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Software Engineer, Codex App

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OpenAI

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Location:
United States; United Kingdom , San Francisco

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Contract Type:
Not provided

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Salary:

230000.00 - 385000.00 USD / Year

Job Description:

The Codex App team owns the desktop application and IDE extension that bring Codex into developers’ daily workflows. We build product experiences end-to-end, and we care equally about usability, performance, and reliability. Our stack is centered on a TypeScript/Node/Electron application that interfaces with external systems including the Codex CLI and app server (Rust).

Job Responsibility:

  • Build end-to-end features across the Electron app (UI + Node/TypeScript backend layers)
  • Design robust integrations with the Codex CLI and app server (Rust)
  • Own IPC architecture and patterns
  • Build systems for orchestration
  • Improve reliability, observability, and performance
  • Partner with design and product to turn ambiguous needs into crisp, shippable workflows

Requirements:

  • Strong TypeScript/Node fundamentals
  • Experience with Electron or desktop app architecture
  • Comfortable integrating with native processes/services (e.g., Rust)
  • Knowledge of IPC patterns and distributed-systems-like thinking applied locally
  • Strong product judgment
  • Experience with developer tools, CLIs, or IDE integrations (nice-to-have)

Nice to have:

Experience with developer tools, CLIs, or IDE integrations

What we offer:
  • Medical, dental, and vision insurance for you and your family
  • Pre-tax accounts for Health FSA, Dependent Care FSA, and commuter expenses
  • 401(k) retirement plan with employer match
  • Paid parental leave
  • Paid time off
  • 13+ paid company holidays
  • Mental health and wellness support
  • Employer-paid basic life and disability coverage
  • Annual learning and development stipend
  • Daily meals in our offices, and meal delivery credits
  • Relocation support
  • Charitable donation matching
  • Wellness stipends
  • Offers Equity
  • Performance-related bonus(es)

Additional Information:

Job Posted:
March 10, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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