Lead Mobile Application Engineer (.NET MAUI)

Clario , part of Thermo Fisher Scientific is seeking a Lead Mobile Application Engineer (.NET MAUI) to provide technical leadership in the design, development, and evolution of the Clario App—our core mobile platform used by patients and clinical research sites across global clinical trials. This platform plays a critical role in how patients engage with research, enabling reliable data collection, improving compliance, and supporting a high‑quality trial experience. In this role, you will lead the development of robust, scalable mobile applications using C#, MVVM architecture, and modern cross‑platform frameworks such as .NET MAUI. You will own key architectural decisions across the mobile platform, guide technical standards and best practices, and act as a technical reference point for mobile engineering within the R&D organization. What You’ll Be Doing Define and own the architecture for cross-platform mobile applications using .NET MAUI, ensuring scalability, maintainability, and alignment with mobile engineering best practices. Lead the development of core mobile application features using C#, .NET, and XAML, remaining hands-on with complex, performance-critical, and platform-specific components. Collaborate with UX/UI teams to implement responsive, accessible, and high-performance user interfaces optimized for Android and iOS platforms. Oversee integration with RESTful APIs, third-party SDKs, secure local data storage solutions, and offline synchronization mechanism