CronJobs

backend jobs

Software Engineer, Plugin Developer Platform

OpenAI · San Francisco

hybridunknown$185,000–$490,000Posted Aug 18, 2026APIsSDKsBackend SystemsModel Context ProtocolChatGPTCodex

Apply on the employer site

About this role

**Software Engineer, Plugin Developer Platform** **About the Team** The Plugin Developer Platform team builds the APIs, SDKs, and tools that let people extend ChatGPT and Codex. Work on plugins, connectors, the Model Context Protocol (MCP), and interactive apps. **What You'll Do** • Design and ship APIs, SDKs, and services for developers extending ChatGPT and Codex • Make plugins easier to create, test, publish, update, and share • Improve compatibility across ChatGPT and Codex, including interactive app experiences • Contribute to MCP and other open standards • Work with developers and partners to understand problems and improve the platform • Collaborate with Product, Research, Security, and Trust & Safety teams **You Might Thrive Here If You** • Have built software that other developers use (open-source, APIs, SDKs, developer platforms, devtools) • Have strong opinions about APIs and abstractions with clear tradeoffs • Enjoy talking with developers and understanding their needs • Can move between product questions and technical details • Are comfortable across web interfaces and backend systems • Want to help define how developers build software for AI agents **Location & Work Model** San Francisco-based, hybrid (3 days/week in office). Relocation assistance available. **About OpenAI** An AI research and deployment company dedicated to ensuring general-purpose AI benefits all of humanity. Equal opportunity employer.

Listing freshness

CronJobs last confirmed this listing 15h ago. If its source stops confirming the opening for seven days, this page is removed from active inventory.

Browse all software engineering jobs →

Follow fresh jobs in Discord