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Switzerland, Cham (Office), Switzerland
Onsite
Role Summary
We are seeking a Senior Android Mobile Developer with strong Kotlin Multiplatform (KMP) expertise to join our Specialized App team and play a key role in building a shared, scalable mobile architecture across Android and iOS. In this role, you will design and develop best‑in‑class Android applications using Kotlin, while actively contributing to and evolving our Kotlin Multiplatform shared business logic layer. You will apply event‑driven programming patterns to deliver responsive, efficient, and highly maintainable solutions across platforms. Working closely with product managers, designers, iOS engineers, and backend teams, you will help shape a cohesive cross‑platform mobile experience that powers Specialized’s rider‑focused digital ecosystem.
How You'll Make a Difference
Develop, enhance, and maintain Android applications using Kotlin, Jetpack Compose, Coroutines, and modern event‑driven architectures, with a strong focus on consuming and shaping shared KMP modules
Design, build, and evolve Kotlin Multiplatform (KMP) shared business logic used by both Android and iOS apps, including domain models, use cases, data access, and networking layers
Take ownership of KMP integration on Android, ensuring seamless interoperability, performance, and a first‑class native developer experience
Design and implement efficient caching strategies across native and shared KMP layers to improve app performance, responsiveness, and offline reliability
Collaborate closely with product managers, designers, iOS engineers, and backend developers to define and deliver cohesive, cross‑platform user experiences powered by shared KMP logic
Lead technical discussions around KMP architecture, mentor junior developers, and champion best practices in code quality, modularization, testing, and performance optimization across platforms
Contribute to the long‑term architectural vision for Specialized’s mobile platforms, helping establish KMP as a cornerstone for shared business logic, tooling, and development workflows
Continuously evaluate new technologies, libraries, and patterns in the Kotlin and KMP ecosystem to improve reliability, maintainability, and developer productivity
Drive consistent use of event‑driven patterns across native and shared KMP components to improve modularity, testability, and responsiveness of the overall mobile system
What You'll Need to Win
8+ years of professional software development experience
5+ years of hands‑on Android development experience delivering production mobile applications
3+ years of strong, hands‑on Kotlin Multiplatform (KMP) experience, with a proven track record of shipping and maintaining mobile apps using KMP for shared business logic across Android and iOS
Deep expertise in Kotlin and modern Android development, with extensive hands‑on experience using Jetpack Compose, Coroutines, and Flow
Demonstrated experience designing and evolving shared KMP modules (e.g. domain, use cases, data, networking) consumed by multiple mobile platforms
Strong understanding of event‑driven and reactive programming principles, with the ability to design scalable, testable systems across native and shared layers
Solid experience designing and implementing caching strategies and local persistence solutions to support performance and offline use
Hands‑on experience with dependency injection frameworks such as Koin or Hilt, including their use in KMP and Android environments
Experience applying mobile app architectures such as MVVM, MVC, MVP, or Clean Architecture, including in cross‑platform/KMP‑based setups
Proven ability to break down complex problems, reason about architectural trade‑offs, and deliver elegant, maintainable solutions
Strong communication and collaboration skills, comfortable working with both technical and non‑technical stakeholders in cross‑platform teams
Experience mentoring other engineers and helping define technical direction, best practices, and architectural standards for mobile and KMP development