Builder - Mobile (Platform), Ring
Core
Build and maintain native iOS and Android platform components (SDKs, frameworks, tooling) used by dozens of feature teams to power apps for millions of users.
Role type
Senior IC mobile platform engineer
Builds
Cross-platform mobile SDKs, shared libraries, architectural primitives, and developer tooling
Domain
Consumer security / Mobile development
Deliverable
production ML models | product features
Required skills
Native iOS (Swift/Objective-C) or Android (Kotlin/Java) development, Modern UI frameworks (SwiftUI/UIKit, Jetpack Compose, React Native), Mobile fundamentals (lifecycle, memory, performance, networking), CI/CD pipeline management, Unit and UI testing, AI-assisted development workflows
Preferred skills
Cross-platform expertise (bridging React Native with native), Performance profiling and optimization, Streaming video and real-time communication protocols (WebRTC, HLS, RTSP), Connected device protocols (Bluetooth, local network)
Technologies
Swift, Kotlin, React Native, SwiftUI, UIKit, Jetpack Compose, WebRTC, HLS, RTSP, Bluetooth
Responsibilities
Build and maintain native platform components and shared libraries, Write high-quality, well-tested code with performance focus, Use AI-powered tools for code generation, testing, and debugging, Contribute to mobile architecture evolution, Maintain CI/CD pipelines and build systems, Partner with feature teams on platform adoption
Seniority
Senior, hands-on IC