OpenAI

iOS Engineer, ChatGPT (Seattle)

OpenAI1 weeks ago
Location

Seattle

Type

Full Time

Salary

USD 255,000 – 405,000

Level

Senior

Role

iOS Engineer

Posted

May 8, 2026

Full TimeSenior

The role

Summary

OpenAI is seeking a senior iOS Engineer to develop and enhance the ChatGPT mobile application, focusing on creating innovative, high-performance AI-powered mobile experiences that push the boundaries of mobile artificial intelligence while collaborating across cross-functional teams in Seattle.

What you'll do

Mobile Feature Development: Build and ship innovative iOS features for the ChatGPT mobile application
Performance Optimization: Establish robust testing frameworks and optimize app performance
Architecture Refinement: Improve and maintain the iOS app's architectural design
Cross-functional Collaboration: Work closely with product, design, research, and data science teams
User Experience Enhancement: Focus on delivering a reliable, responsive, and delightful user experience

What we look for

Technical

iOS Development ExpertiseProven track record of developing impactful iOS features
Performance OptimizationAbility to prioritize app performance and reliability
Mobile ArchitectureSkills in designing scalable and maintainable client features

Education

Computer ScienceBachelor's degree in Computer Science, Software Engineering, or related technical field preferred
Mobile DevelopmentAdvanced coursework or certifications in mobile application development

Experience

Professional iOS DevelopmentMinimum 5+ years of professional iOS development experience
AI Mobile ApplicationsExperience with AI-powered mobile application development highly preferred

Skills

Required skills

iOS DevelopmentExtensive experience building and shipping production iOS applications
SwiftProficient in Swift programming language for iOS development
Apple EcosystemDeep understanding of Apple's development tools and platform capabilities
Mobile Performance OptimizationExpertise in optimizing mobile app performance and responsiveness

Nice to have

AI IntegrationExperience integrating AI capabilities into mobile applications
Cross-functional CollaborationStrong ability to work effectively with product, design, and engineering teams
Mobile ArchitectureExperience in designing scalable and maintainable mobile app architectures

Compensation & benefits

Salary

USD 255,000 – 405,000 (annual)

Stock options

Available

Benefits

Equity

Stock options available

Healthcare

Comprehensive health insurance coverage

Professional Development

Opportunities for continuous learning and skill enhancement

Innovation Culture

Work at the forefront of AI technology and research

Interview process

  1. 1
    Initial Screening — Phone or video call with recruiting team to assess basic qualifications
  2. 2
    Technical Phone Interview — Detailed discussion of iOS development experience and technical skills
  3. 3
    Coding Challenge — Hands-on iOS development challenge to evaluate practical skills
  4. 4
    Onsite/Virtual Interviews — Multiple interview rounds with team members, including technical and cultural fit assessments
  5. 5
    Final Interview — Discussion with senior leadership about role alignment and potential impact
Apply for this position

You'll be redirected to the company's application page

OpenAI

OpenAI

View all jobs

OpenAI is an American artificial intelligence research organization developing advanced AI models like GPT. Focused on ensuring AI benefits humanity, it creates tools for natural language processing and generative AI applications.

San Francisco, California, United StatesFounded 2015openai.com

Tech Stack

Languages
SwiftObjective-C
Frameworks
UIKitSwiftUICore ML
Databases
Core Data
Tools
XcodeCocoaPodsTestFlight
Other
REST APIsGraphQL

Interview Guides

5 guides available for OpenAI

Apply Now

On this page