Senior Mobile Engineer (Kotlin Multiplatform)

Join our team as a Senior Mobile Engineer, where you will play a key role in building a flagship cross-platform application using Kotlin Multiplatform (KMP) and Compose Multiplatform. You will write shared Kotlin code, develop user interface code, integrate AI frameworks, and optimize app performance. This is a remote-first position with flexible time off and a comprehensive benefits package.

• Write shared Kotlin Multiplatform code that provides significant, testable business logic and repositories.
• Integrate artificial intelligence frameworks both on-device and remotely, and profile and harden app performance on real devices.
• Review human and coding-agent diffs with equal rigor, contribute to project conventions, and mentor teammates.
• 4+ years of mobile development with shipped production apps on Android, iOS, or both
• Strong mobile product instincts
• Demonstrated interest in AI engineering
• Solid experience with mobile tooling and app stores
• Strong Kotlin skills including coroutines and Flows
• SwiftUI experience would be beneficial, including comfort working at the Swift/Kotlin boundary via SKIE, Swift Export, and/or hand-written interoperability code
• Compose Multiplatform or strong Jetpack Compose experience, including understanding recomposition stability
• Experience working with Rust UniFFI, C++, and JS is a plus
• Contributions to open-source ML/AI or KMP libraries is a bonus