iOS Engineer, Applied Foundations

Details

About the Team

OpenAI’s Applications Engineering organization builds and operates the products that bring our cutting-edge research to millions of users and developers worldwide. The Applied Foundations team owns the core product and platform layers that make those experiences possible — from identity & access, to safety to payments & commerce across all of our apps. Our teams span product engineering, infrastructure, and safety, working together to deliver technology that is reliable, secure, and trusted at global scale.

About the Role

You will be a Senior iOS engineer on OpenAI’s Applied Foundations team, building the core mobile experiences that power how users sign up, manage their account, family features, pay for services, stay safe, and interact with OpenAI’s products with confidence. This role is about creating high-quality products as well as reusable iOS foundations that product teams across different OpenAI apps depend on to ship quickly while meeting the highest standards for security, reliability, and user trust. You’ll own complex client-side systems spanning UI, networking, local state, payment integrations and Apple platform integrations, and work closely with backend, product, and safety partners to shape the architecture that supports OpenAI’s mobile ecosystem at global scale.

Responsibilities

• 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 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.

Requirements

• Up to 6 years of professional software engineering experience (per posting guideline).
• Proven track record of building high-quality iOS applications in production, especially for systems that need to be reliable and resilient at scale.
• Experience owning complex, business-critical mobile systems end-to-end and making deep architectural tradeoffs on iOS.
• Fluency in Swift and familiarity with the Apple development ecosystem (Xcode, UIKit, SwiftUI).
• Strong focus on performance, security, and user experience.
• Experience with client-side systems including UI, networking, local state management, payment integrations, and Apple platform integrations.
• Ability to work cross-functionally with backend, product, design, research, and safety partners.

Benefits

• Base pay range listed for the role: $255,000 – $310,000 (additional equity and performance-related bonus(es) may apply).
• Medical, dental, and vision insurance with employer contributions to Health Savings Accounts.
• Pre-tax accounts for Health FSA, Dependent Care FSA, and commuter expenses.
• 401(k) retirement plan with employer match.
• Paid parental leave (up to 24 weeks for birth parents and 20 weeks for non-birthing parents), plus paid medical and caregiver leave (up to 8 weeks).
• Paid time off: flexible PTO for exempt employees and up to 15 days annually for non-exempt employees.
• 13+ paid company holidays and multiple coordinated company office closures.
• Mental health and wellness support; employer-paid basic life and disability coverage.
• Annual learning and development stipend; daily meals in offices and meal delivery credits as eligible.
• Relocation support for eligible employees.
• Commitment to equal opportunity, reasonable accommodations for applicants with disabilities, and applicable background checks.