OpenAI, Inc. logo

iOS Software Engineer, ChatGPT Engineering

Job Overview

Location

San Francisco

Job Type

Full-time

Category

iOS Developer

Date Posted

February 27, 2026

Full Job Description

đź“‹ Description

  • • Join OpenAI's groundbreaking ChatGPT organization as an experienced iOS Software Engineer and play a pivotal role in shaping the future of how millions interact with advanced AI on mobile.
  • • You will be instrumental in building and enhancing the ChatGPT iOS application, a flagship product that brings cutting-edge AI capabilities directly to users' fingertips.
  • • This role offers a unique opportunity to work at the forefront of AI innovation, contributing to core domains like Growth, Ecosystems, Personalization, and Search Infrastructure, all aimed at delivering the next generation of AI-driven products and platforms.
  • • Your primary responsibility will be to develop and ship new, impactful iOS features that push the boundaries of what's possible in AI-powered mobile applications, ensuring a seamless and intuitive user experience.
  • • You will be a key driver of continuous improvement across the app, focusing on enhancing app performance, refining the underlying architecture, increasing test coverage, optimizing tooling, and bolstering overall reliability.
  • • Collaboration is at the heart of this role; you will work closely with Product Managers, Designers, AI Researchers, and fellow Engineers to brainstorm, develop, and iterate on features that maximize user delight and engagement.
  • • Take ownership of components from conception through to launch and beyond, encompassing the entire lifecycle of design, implementation, rigorous testing, deployment, and ongoing iteration based on user feedback and performance metrics.
  • • Integrate sophisticated backend systems and advanced AI models to deliver fluid, responsive, and intelligent mobile experiences that redefine user expectations.
  • • Contribute to the strategic direction of the iOS app, influencing technical decisions and architectural choices to ensure scalability, maintainability, and future-proofing.
  • • You will have the opportunity to mentor junior engineers and share your expertise, fostering a culture of learning and technical excellence within the team.
  • • Dive deep into user data and analytics to understand user behavior, identify areas for improvement, and inform product decisions, ensuring that our AI-powered features are not only powerful but also deeply relevant and valuable to our users.
  • • Stay abreast of the latest advancements in iOS development, AI, and mobile technology, bringing fresh perspectives and innovative solutions to the team.
  • • Contribute to the development of robust testing strategies, including unit, integration, and end-to-end testing, to ensure the highest quality and stability of the application.
  • • Participate in code reviews, providing constructive feedback to peers and upholding high standards of code quality and best practices.
  • • Troubleshoot and resolve complex technical issues, ensuring the smooth operation of the app for millions of users worldwide.
  • • You will be part of a dynamic and fast-paced environment where rapid iteration and continuous learning are encouraged, allowing you to make a significant impact quickly.
  • • This role is ideal for an engineer who is passionate about building products that have a tangible impact on people's lives and who thrives on solving challenging technical problems.
  • • You will help define and implement best practices for mobile development within OpenAI, contributing to the overall engineering excellence of the company.
  • • Engage with the broader OpenAI community, sharing insights and collaborating on cross-functional initiatives that advance our mission.
  • • The opportunity to work on AI products that are at the cutting edge of research and development, with the potential to shape the future of human-computer interaction.
  • • You will be empowered to make significant technical contributions and drive the evolution of a product used by millions globally.

🎯 Requirements

  • • Extensive professional experience in iOS software development, with a strong command of Swift and Objective-C.
  • • Deep understanding and practical application of iOS frameworks such as UIKit, SwiftUI, and Core Data.
  • • Proven ability to optimize application performance, identify bottlenecks, and implement efficient solutions.
  • • Experience with end-to-end feature ownership, from design and implementation to testing, launch, and iteration.
  • • Strong collaboration skills, with experience working effectively in cross-functional teams including Product, Design, and Research.
  • • Passion for creating intuitive, performant, and delightful mobile user experiences.

🏖️ Benefits

  • • Competitive salary and equity compensation.
  • • Comprehensive health, dental, and vision insurance.
  • • Generous paid time off and holidays.
  • • Opportunities for professional development and continuous learning.
  • • Access to cutting-edge AI research and technology.

Skills & Technologies

Swift
iOS
Mobile
Onsite

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OpenAI, Inc.
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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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