Software Engineer, Mobile Platform (iOS)

San Francisco · New York · USD 150,000-168,000 / year · Full-time · Hybrid · Posted Sep 23, 2026

At a glance

Build the iOS platform that helps engineers ship confidently by turning the first generation of mobile foundations into a durable platform.
Shape the iOS stack end to end, from shared frameworks and build systems to release quality.
Work across the shared Rust layer and AI infrastructure for mobile development while partnering with mobile AI and core product engineers.

Make the iOS platform agent-ready by providing dependable ways to build, run, test, screenshot, and iterate through the app.
Define how iOS features are built by establishing architecture and shipping developer tools, then partnering with product engineers to adopt them by the end of the first year.
Raise the bar for iOS reliability and release quality by improving systems that catch regressions, prevent incidents, and help engineers understand issues quickly.

Deep iOS engineering experience at scale, having helped build and deploy mobile applications used by millions.
Platform or infrastructure experience working below the product-feature layer on mobile CI/CD, testing platforms, build systems, developer tooling, or shared frameworks.
Strong architectural judgment familiar with multiple approaches to iOS architecture and the ability to explain trade-offs clearly.
Cross-functional influence to partner closely with product engineers, understand pain points, and earn adoption for new platform APIs, workflows, and standards.
AI-native engineering practice using AI tools and agents as real collaborators.