hassan shahadeh

Full Stack Developer responsible for designing, developing, and maintaining end-to-end solutions spanning backend infrastructure and cross-platform mobile applications. Led the full software development lifecycle — from system architecture and API design to mobile UI implementation and production deployment.
Key Responsibilities & Contributions:

Backend Development: Architected and built scalable RESTful APIs and real-time services using Node.js (Express.js, Socket.IO, Mongoose) on AWS infrastructure. Designed database schemas and optimized queries across MongoDB (sharding, aggregation pipelines) and SQLite.
Mobile Development: Developed and maintained cross-platform and native Android applications using Flutter (BLoC, Provider) and Android native (Java/Kotlin, Jetpack Components, Room, Retrofit, RxAndroid). Implemented MVVM and Clean Architecture patterns for maintainable, testable codebases.
Full Stack Integration: Bridged backend services with mobile frontends, ensuring seamless data flow, real-time synchronization, and secure authentication (JWT/OAuth2, AES-256 encryption).