iOS Engineer, ChatGPT (Seattle)

United Kingdom
Today
Job Type
Permanent
Work Pattern
Full-time
Work Location
On-site
Seniority
Senior
Education
Degree
Posted
8 May 2026 (Today)

About the Team
The ChatGPT team supports the OpenAI mission by innovating and refining the user experience, technical architecture, and core features of ChatGPT across various platforms. We focus on building scalable, user-centric solutions that empower seamless interactions with ChatGPT, while enabling rapid development and iteration of impactful features that push the boundaries of what is possible through AI.

About the Role
We are looking for a senior software engineer to focus on building and maintaining core features within the ChatGPT iOS app. In this role, you will:

  • Build and ship new iOS experiences that expand the boundaries of AI-powered mobile applications, delivering a useful and delightful assistant in every user’s pocket.

  • Drive foundational improvements in the iOS app, including optimizing performance, establishing robust testing frameworks, refining app architecture, and integrating cutting-edge iOS platform capabilities.

  • Collaborate on high-impact projects by working closely with product, design, research, and data science teams to achieve product goals and improve user experiences.

  • Prioritize quality and user satisfaction by focusing on performance, reliability, and responsiveness, ensuring a delightful experience for ChatGPT iOS users.

How We Work
Our team prioritizes excellence through a focus on user delight, intuitive product experiences, and reliability. We take a results-driven approach, concentrating on high-impact projects that maximize value for our users by delivering features that enhance the overall ChatGPT experience. We emphasize product innovation and collaboration to streamline the creation of impactful solutions that meet user needs and exceed expectations.

You Might Thrive in This Role If You:

  • Have a proven track record of developing impactful iOS features, with deep expertise in the Apple ecosystem and related development tools.

  • Enjoy working in cross-functional teams, partnering effectively with product, design, and engineering collaborators.

  • Prioritize performance, reliability, and quality as foundational principles of mobile app development.

  • Are passionate about enabling other developers by designing scalable, maintainable, and high-performing client features.

If you’re excited about shaping the future of mobile AI experiences, we’d love to hear from you!

About OpenAI

OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the boundaries of the capabilities of AI systems and seek to safely deploy them to the world through our products. AI is an extremely powerful tool that must be created with safety and human needs at its core, and to achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity.

We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic.

For additional information, please see OpenAI’s Affirmative Action and Equal Employment Opportunity Policy Statement.

Background checks for applicants will be administered in accordance with applicable law, and qualified applicants with arrest or conviction records will be considered for employment consistent with those laws, including the San Francisco Fair Chance Ordinance, the Los Angeles County Fair Chance Ordinance for Employers, and the California Fair Chance Act, for US-based candidates. For unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. In addition, job duties require access to secure and protected information technology systems and related data security obligations.

To notify OpenAI that you believe this job posting is non-compliant, please submit a report through this form. No response will be provided to inquiries unrelated to job posting compliance.

We are committed to providing reasonable accommodations to applicants with disabilities, and requests can be made via this link.

OpenAI Global Applicant Privacy Policy

At OpenAI, we believe artificial intelligence has the potential to help people solve immense global challenges, and we want the upside of AI to be widely shared. Join us in shaping the future of technology.

Related Jobs

View all jobs
Spotlight

Forward Deployed Engineer

SolveAI London, United Kingdom
Hybrid
Spotlight

Machine Learning Engineer (Forward Deployed)

Mind Foundry Oxford/ Hybrid, Oxfordshire, United Kingdom

iOS Software Engineer

Ocado United Kingdom

Senior iOS Software Engineer

Ocado United Kingdom

Staff Software Engineer - Biometrics

Entrust London, United Kingdom

Staff Software Engineer - Biometrics

Entrust Portugal

Principal Software Reliability Engineer - Consumer Identity

Entrust London, United Kingdom

Android Mobile Developer

Darktrace Cambridge, CB2 3BJ, United Kingdom

Industry Insights

Discover insightful articles, industry insights, expert tips, and curated resources.

Where to Advertise AI Jobs in the UK (2026 Guide)

Advertising AI jobs in the UK requires a different approach to most technical hiring. The candidate pool is small, highly informed and in demand across multiple sectors simultaneously. General job boards reach a broad audience but lack the specificity that AI professionals expect — and the filtering mechanisms they rely on. Specialist platforms, direct outreach and academic channels each serve a different part of the market. This guide, published by ArtificialIntelligenceJobs.co.uk, covers where to advertise AI roles in the UK in 2026, how the main platforms compare, what employers should expect to pay, and what the data says about time-to-hire across different role types.

AI Jobs UK 2026: What to Expect Over the Next 3 Years

Artificial intelligence is creating jobs faster than the market can name them. New roles are appearing every quarter, existing titles are splitting into specialisms, and the technologies underpinning it all are evolving at a pace that makes even last year's job descriptions feel dated. For job seekers, this presents a genuinely unusual challenge. In most industries, career planning means understanding a relatively stable landscape and working out where you fit within it. In AI, the landscape itself is being redrawn in real time. The roles with the most hiring activity in 2028 may not yet have a widely agreed job title in 2026. That's not a reason to feel overwhelmed — it's a reason to get informed. The candidates who thrive in this market aren't necessarily those with the longest CVs or the most credentials. They're the ones who understand the direction of travel: which skills are gaining value, which technologies are driving employer decisions, and how the definition of an "AI job" is expanding well beyond the tech sector. This article breaks down what the UK AI jobs market is likely to look like over the next three years — covering emerging job titles, the technologies reshaping hiring, the skills employers are prioritising, and how to position yourself ahead of the curve rather than behind it.

New AI Employers to Watch in 2026: UK and Global Companies Reshaping AI Careers

The artificial intelligence job market in the UK is evolving at an extraordinary pace. With record-breaking investment, government backing, and a surge in enterprise adoption, the landscape of AI employers is shifting rapidly. For candidates exploring opportunities on ArtificialIntelligenceJobs.co.uk, understanding who is hiring next is just as important as understanding what skills are in demand. In this article, we explore the new and emerging AI employers to watch in 2026, focusing on organisations that have recently secured funding, won major contracts, or expanded their UK footprint. From cutting-edge startups to global giants doubling down on Britain, these companies represent the next wave of AI career opportunities.