Hammad Ahmed
Senior Android Engineer | Kotlin | Jetpack Compose | Clean Architecture
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About
Senior Android Engineer with 5+ years building and shipping Kotlin and Jetpack Compose apps to Google Play. Architected SAR/YamamaCM, an offline-first crowd-management system for the Saudi Ministry of Transport used during Hajj operations, plus 5 e-commerce apps with secure payment flows. Strong in performance engineering, REST API and third-party SDK integration, and translating business requirements into shipped features with cross-functional teams across Saudi Arabia, Egypt, and India.
Experience
Senior Android Engineer at Wulooj (2025-04 – Present)
- Shipped 6 apps to Google Play (4 native Kotlin, 2 Flutter) from scratch, enabling rapid releases, by standardizing on Clean Architecture, Hilt dependency injection, and modular code structure.
- Architected the SAR/YamamaCM crowd-management app for the Saudi Ministry of Transport (Hajj season 2025–2026), supporting real-time workforce coordination and field logistics with offline-first Room persistence and WorkManager sync.
- Built 5 high-volume e-commerce and F&B apps with cart, multi-step checkout, and real-time order tracking, integrating third-party SDKs (Checkout.com payments, tokenized session validation) for secure transactions.
- Translated business requirements into shipped features with backend, product, UI/UX, and QA teams across Saudi Arabia, Egypt, and India by aligning API contracts, implementation, and testing through every release.
Android Engineer at Funsol Technologies Pvt Ltd (2024-03 – 2025-03)
- Achieved 99.99% crash-free sessions across production releases by refactoring legacy code and modularizing core layers with SOLID principles and Hilt.
- Reduced ANR occurrences by ~90% on complex screens by moving blocking work off the main thread with Kotlin Coroutines and StateFlow.
- Improved background reliability and cut unnecessary resource use by implementing data sync and scheduled tasks with WorkManager.
- Set consistent architecture standards for the team by building native apps with Kotlin, Jetpack Compose, MVVM, and Clean Architecture.
Android Developer at Share Hands (2022-03 – 2023-09)
- Reduced cold-start time by ~50% and improved image caching by profiling with Android Profiler and optimizing startup and memory use.
- Reduced regression bugs by writing JUnit and MockK test suites with QA to increase coverage of core domain logic.
- Launched a portfolio of consumer apps to Google Play with consistent Material Design UI across screen sizes and Android versions, using XML layouts, Fragments, and Jetpack components.
Android Developer at Exceed IT Solutions (2021-02 – 2022-03)
- Built a real-time camera translator by combining CameraX, OCR, and translation APIs to extract and translate text from live video.
- Engineered a custom Android keyboard (IME) with low-latency touch handling, layout rendering, and text insertion APIs.
- Enabled offline use and monitoring in Java/Kotlin apps with Room/SQLite persistence, Firebase Cloud Messaging push notifications, and Crashlytics.
Education
Master in Computer Science – National University of Sciences & Technology (NUST), Rawalpindi (2024-09)
Bachelor in Software Engineering – Abasyn University, Peshawar (2018-09 – 2022-12)