OpenAI
Software Engineer, Plugin Ecosystem
$185K–$490K
San Francisco · Hybrid · Full-time · Posted Sep 21, 2026
About the job
Build the platform and product experiences that let people create, discover, and use plugins across ChatGPT and Codex, including improving how models use them.
What you'll do
- Design and ship APIs, SDKs, and services for extending ChatGPT and Codex.
- Improve plugin creation, discovery, reliability, permissions, and user experiences.
- Work with Research to diagnose model–plugin failures and measure quality improvements.
Nice to have
- Experience with identity, permissions, or integration-heavy systems.
- Experience building applied AI systems and diagnosing model–tool interactions.
Pay
$185K – $490K USD base salary
Tools
ChatGPT, Codex, Model Context Protocol (MCP), APIs, SDKs
AI focus
Improve how models choose and use plugins to complete tasks; collaborate with Research to diagnose failures and measure quality as models evolve.
Model-written summary · the original posting is authoritative