This role requires deep expertise in mobile authentication, secure storage, offline-first architecture, data synchronization, push notifications, GPS/location services, and mobile security best practices, as well as experience designing and developing RESTful APIs, integrating with cloud platforms such as Microsoft Azure, or AWS, and building scalable backend services. The ideal candidate brings extensive experience building production-ready cross-platform mobile applications with React Native, combined with strong backend and cloud development expertise using object-oriented programming languages such as C#, Java, Python, or Go to deliver secure, end-to-end solutions.