CareerPlan

Software Engineer, Plugin Ecosystem

San FranciscoFull-time2026-09-21 → 2026-11-09
Hybrid · United States

Core

Build the platform and product experiences that let people extend ChatGPT and Codex via plugins, skills, connectors, and interactive apps.

Role type

Senior IC software engineer (plugin ecosystem & developer platform)

Builds

APIs, SDKs, services, and product experiences for plugin discovery, installation, execution, and management

Domain

AI / LLM application ecosystem / Developer platform

Deliverable

product features

Required skills

API design, SDK development, backend engineering, identity & permissions systems, product sense, cross-team collaboration, reliability engineering, error handling & recovery, documentation

Preferred skills

applied AI systems, model–tool interaction diagnosis, building developer platforms or open-source projects, web interfaces

Technologies

MCP (Model Context Protocol), ChatGPT, Codex

Responsibilities

Design and ship APIs, SDKs, and services for developers; Build intuitive experiences for plugin discovery and usage; Improve plugin creation, testing, publishing, and sharing workflows; Optimize model selection and task completion with plugins; Enhance plugin reliability and interaction quality; Implement permissions, approvals, and admin controls; Collaborate with Research, Security, and Trust & Safety to scale infrastructure

Seniority

Senior, hands-on IC