Guilherme Henrique Carneiro

Android developer with 2 years of experience developing native apps published on the Play Store. Specialized in Kotlin/Java, with expertise in Jetpack Compose, MVVM, Clean Architecture and API integrations. Experience implementing e2e solutions from conception to deployment. Featured Projects: Mega Bass | Standalone (02/2025 - 04/2025) - Optimized performance for multiple Android devices, reducing app crashes by almost 100% and improving overall stability - Delivered multiple iterations of the project with 100% customer satisfaction - Reduced memory usage by 30% through efficient sound loading and optimized animations - Implemented Clean Architecture with MVVM pattern - Designed a bass guitar emulator using Kotlin and audio integration engine in C++ - Created custom visual components with string vibration animations with customViews LTA Score (04/2025 - 05/2025) - Developed a complete app for the Brazilian League of Legends community with a player rating system - Implemented integration with Firebase Authentication and Firestore for authentication and data storage - Used Clean Arch. with MVVM pattern, Kotlin Flows and Coroutines for state management Avaly (06/2023 - 01/2025) - Developed a professional application for physiotherapists from scratch - Implemented a digital goniometry system with solutions found in physical instruments - Created a complete patient management system with Firebase Firestore - Developed a system that generates PDF reports - Built a dedicated backend with Ktor hosted on AWS EC2 HoopReel (02/2025 - 04/2025) - Implemented modular architecture with Clean Architecture and MVVM - Integrated YouTube API with smart caching system and ExoPlayer for video playback - Implemented StateFlow and Coroutines for reactive state management - Configured persistence with Room and DataStore, background updates with WorkManager - Developed Kotest and MockK unit tests