Senior Mobile Developer

**Senior Mobile Developer** * **Job Title:** Senior Mobile Developer * **Location:** Portland, ME (Hybrid – 2-4 days/week onsite) **Must-Have Skills** * **Kotlin** * **Jetpack Compose** * **MVVM / Clean Architecture** * **REST API Integration** * **Offline and Caching Strategies** * **Unit Testing** * **Debugging and Performance Profiling** **Role Overview** We are looking for an experienced Android Developer with strong Kotlin expertise to design, develop, test, and maintain high-quality Android applications. The ideal candidate will have hands-on experience building scalable, secure, and high-performance mobile applications using modern Android development practices. The candidate will work closely with product managers, UI/UX designers, backend engineers, and QA teams to deliver reliable and user-friendly mobile solutions. **Technical Core & Responsibilities** **Android Development** * Design, develop, and maintain native **Android** applications using **Kotlin** * Build scalable and maintainable applications using **Android SDK** and modern Android architecture * Develop responsive and user-friendly mobile interfaces following **Material Design** principles * Work with **Jetpack components** , including **ViewModel** , **LiveData** , **Room** , **Navigation** , and **WorkManager** * Implement modern UI using **Jetpack Compose** **Integration & Architecture** * Integrate **RESTful APIs** and backend services into Android applications * Work with **JSON** , authentication, push notifications, and third-party SDK/API integrations * Implement **MVVM / Clean Architecture** and appropriate design patterns **Quality & Performance** * Write clean, reusable, testable, and well-documented code * Develop **unit tests** and **UI tests** and work closely with QA to resolve defects * Troubleshoot performance issues, crashes, memory leaks, and other production issues * Participate in code reviews and contribute to technical design and architecture discussions **Collaboration & Delivery** * Collaborate with cross-functional teams in an **Agile/Scrum** environment * Ensure applications meet security, performance, scalability, and usability requirements * Support application releases through **Google Play Store** and **CI/CD** pipelines **Note** * Hybrid in Portland, ME – 2-4 days/week onsite * Kotlin, Jetpack Compose, MVVM/Clean Architecture, REST API integration, offline/caching strategies, unit testing, and debugging/performance profiling experience required