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Full-Stack Engineer, ChatGPT Ecosystem (Apps Platform & SDK)

Job Overview

Location

San Francisco

Job Type

Full-time

Category

Full-Stack Engineer

Date Posted

April 11, 2026

Full Job Description

đź“‹ Description

  • • As a Full Stack Engineer on the ChatGPT Ecosystem team, you will help design and build the platform that powers ChatGPT Apps and developer integrations, enabling developers to extend ChatGPT’s capabilities and shape the foundation of a new application ecosystem.
  • • You will work across the stack—from developer-facing interfaces to backend systems—to build end-to-end platform features, design and implement APIs and services, improve developer workflows and tooling, and iterate based on feedback to ensure scalability and usability.
  • • You’ll collaborate closely with product, research, security, and trust & safety teams to translate model capabilities into robust, safe, and reliable tools that support a global community of builders.
  • • This role offers the opportunity to define technical direction, own features from concept to production, and grow expertise in platform engineering, AI-powered systems, and developer experience within a mission-driven organization at the forefront of AI innovation.

Skills & Technologies

Full Stack
Hybrid

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About OpenAI, Inc.

OpenAI is a San Francisco-based artificial intelligence research and deployment company founded in 2015. It develops large-scale AI models such as GPT, DALL-E, and Codex, providing cloud APIs and consumer applications like ChatGPT. Originally established as a non-profit, it later created a capped-profit subsidiary to attract capital while maintaining its mission to ensure artificial general intelligence benefits all of humanity.

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