Staff Mobile Engineer - Kotlin Multiplatform

About the Role:

We're building a flagship cross-platform application on Kotlin Multiplatform (KMP) using Compose Multiplatform as well as SwiftUI. The ideal candidate will have a proven track record of developing and deploying native mobile apps using KMP technology.

Responsibilities:

- Shared KMP modules — You will write shared Kotlin Multiplatform code that provides significant, testable business logic and repositories.

- Compose Multiplatform UI and Native SwiftUI — You will write user interface code to utilize shared code modules.

- On-device AI — You will integrate artificial intelligence frameworks both on-device and remotely.

- Performance — Profile and harden app performance on real devices. Troubleshoot hard, technical bugs.

- Code review and collaboration — Review human and coding-agent diffs with equal rigor, contribute to project conventions, and mentor teammates. Improve the quality of delivered code.

Qualifications:

- 8+ years of mobile development with shipped production apps on Android, iOS, or both

- Strong Kotlin skills including coroutines and Flows.

- Demonstrated interest in AI engineering

- Solid experience with mobile tooling and app stores

- Strong mobile product instincts

Preferred Skills:

- Compose Multiplatform or strong Jetpack Compose experience, including understanding recomposition stability

- SwiftUI experience would be beneficial, including comfort working at the Swift/Kotlin boundary via SKIE, Swift Export, and/or hand-written interoperability code

- Experience working with Rust UniFFI, C++, and JS is a plus

- Contributions to open-source ML/AI or KMP libraries is a bonus

We at webAI are committed to living out the core values we have put in place as the foundation on which we operate as a team. We seek individuals who exemplify the following:

- Truth - Emphasizing transparency and honesty in every interaction and decision.

- Ownership - Taking full responsibility for one’s actions and decis...