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iOS Engineer, ChatGPT Mobile Infrastructure

OpenAI · San Francisco

$185k - $385k/yrMid levelEngineeringApplied AIApplied AI EngineeringPosted 5 months ago
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About this role

ABOUT THE TEAM We’re building up the core Swift platform, from architecture to CI, that enables hundreds of engineers (and their agents) to develop new capabilities in ChatGPT, Atlas, Sora, and other rapidly evolving apps. Our focus is helping teams move quickly while improving on performance or reliability. ABOUT THE ROLE We’re hiring Staff+ engineers with a variety of iOS platform backgrounds, including people who may specialize in performance, build/CI, or AI developer productivity. Whether you focus on UI frameworks or automated testing, your work will show up as less friction, less complexity, fewer regressions, and better performance. If you're rethinking how to scale Swift development in the context of increasingly capable AI tools, this is the role for you. We are hiring in San Francisco, New York and Seattle. IN THIS ROLE, YOU MAY: - Build and evolve foundational Swift frameworks used across multiple apps and platforms (caching, state management, observability, navigation, component systems). - Improve app performance (startup, responsiveness, memory, battery) through profiling, visibility, regression prevention, or architecture patterns. - Strengthen reliability: systemically reduce crashes, improve error handling, or drive release process improvements. - Embed with product engineering teams in order to understand pain points or emerging infrastructure needs. - Develop internal tooling and automation (Bazel, CI, testing, guardrails, Codex agent skills and systems) that increase engineering velocity. - Translate messy real-world constraints into clean abstractions: simple APIs, enforceable contracts, safe defaults. YOU MIGHT THRIVE IN THIS ROLE IF YOU: - Have strong iOS engineering fundamentals (Swift, concurrency, networking, Xcode ecosystem, some UIKit/SwiftUI) and are familiar with the latest features and practices. - Gravitate towards platform problems: frameworks, architecture, performance, or tools that empower and accelerate others. - Take ownership:

Excerpt from the posting OpenAI published. Read the full description on their site before applying.

Skills this posting mentions

InfrastructureSwiftBatteries

About OpenAI

OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. AI is an extremely powerful tool that must be created with safety and human needs at its core. OpenAI is dedicated to putting that alignment of interests first - ahead of profit. To achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity. Our investment in diversity, equity, and inclusion is ongoing, executed through a wide range of initiatives, and championed and supported by leadership. 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.

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