Valentine Rutto

Senior Mobile Engineer with 8+ years of experience designing, building, and maintaining production-grade Android applications for global and emerging-market users. Strong expertise in Kotlin, modern Android architecture, Clean Architecture, MVVM/MVI, Jetpack Compose/XML, Coroutines/Flow, Hilt/Koin, and offline-first mobile systems using Room and WorkManager. Experienced in REST/GraphQL API integration, secure data handling, performance optimization, CI/CD, testing, and cross-functional collaboration with product, backend, QA, and operations teams. Proven track record owning Android platforms end-to-end, modernizing legacy codebases, mentoring engineers, and delivering scalable, reliable mobile solutions. Recently focused on AI-powered mobile features and scalable AI system design.