Hammad Ahmed

Architected and delivered 6 mobile apps from scratch, including 4 native Kotlin and 2 Flutter apps, using Clean Architecture and Dependency Injection. Engineered 5 high volume e commerce apps with end to end checkout, payments, and real time tracking. Optimized networking and offline storage with Retrofit, Room, Coroutines, and Flow, while collaborating with cross regional engineering, product, backend, UI/UX, and QA teams.

Designed and developed high performance native Android apps using Kotlin, Jetpack Compose, MVVM, and Clean Architecture. Refactored and modularized legacy code using SOLID and Hilt, achieving 99.99% crash free sessions. Optimized Coroutines and StateFlow to reduce ANRs and improve UI performance, while leading Agile releases, code reviews, Gradle checks, and Play Console deployments.

Engineered location based Android applications in Kotlin using Clean Architecture, integrating Mapbox SDK and Google Maps APIs for turn by turn navigation, geofencing, custom map layers, and dynamic marker clustering. Optimized background location tracking with WorkManager and Android Location APIs to reduce battery and memory usage, while collaborating with UI/UX and backend teams to deliver responsive map interfaces.