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OpenAIOpenAISan Francisco, CA

iOS Engineer, Applied Foundations

Senior iOS engineer building core mobile experiences for user accounts, payments, safety, and AI features at OpenAI. Requires 4+ years experience, Swift fluency, and expertise in scalable iOS systems.

$230k – $385k/yr
On-site4+ YOEiOS Engineering

About the job

In this role, you will:

  • Build and ship new experiences on iOS that showcase the power of AI.
  • Optimize app performance, reliability, and responsiveness at global scale.
  • Design and maintain shared iOS frameworks and primitives for account, trust, and commerce flows that are used across OpenAI’s mobile apps.
  • Establish robust testing frameworks and refine app architecture for long-term maintainability.
  • Collaborate with product, design, research, and backend teams to deliver high-impact features.
  • Provide technical leadership to shape the future of OpenAI’s iOS platform.

You might thrive in this role if you:

  • Have 4+ years of professional software engineering experience.
  • Have a proven track record of building high-quality iOS applications in production, especially for systems that need to be reliable and resilient at scale.
  • Have owned complex, business-critical mobile systems end-to-end.
  • Have experience making deep architectural tradeoffs on iOS.
  • Are fluent in Swift and familiar with the Apple development ecosystem (Xcode, UIKit, SwiftUI).
  • Care deeply about performance, security, and user experience.
  • Enjoy working cross-functionally to bring ambitious product ideas to life.

Skills

SwiftiOSSwiftUIUikitXcodePayment IntegrationsNetworkingLocal State ManagementApp ArchitectureTesting Frameworks