Work experience

• SENIOR ANDROID ENGINEER

  Transflo

  2023.04-Current

  (2 years)

  Led migration from Java/MVC to Kotlin/MVI with Clean Architecture, reducing new feature development time (15% improvement) Refactored background services with WorkManager, resulting in crash rate reduction from 2.0% to 1.5% and 30% faster app startup Developed white-label applications serving 100K+ daily users, implementing cross-platform components with Compose UI and Kotlin Multiplatform Enhanced app security with advanced ProGuard rules and anti-tampering measures, reducing vulnerability surface area by 60% Mentored junior developers on Android architecture, increasing team velocity and code quality standards
• SENIOR ANDROID ENGINEER

  AevaPay

  2022.05-2023.05

  (a year)

  Developed cryptocurrency payment app for POS machines using Kotlin, Jetpack Compose, and MVVM architecture Implemented Paymob SDK for secure payment processing with 99.9% transaction reliability Reduced UI development time by 35% through adoption of Jetpack Compose and reusable component design Created CI/CD pipeline with automated testing, reducing deployment time from 5 days to 3 days Maintained 4.5+ Play Store rating through regular updates and performance optimizations
• ANDROID ENGINEER → SENIOR ANDROID ENGINEER

  Vezeeta

  2019.09-2022.05

  (3 years)

  Launched telehealth video/audio consultation feature within 4 weeks during COVID-19, increasing remote consultations by 35% Improved app security through custom ProGuard rules, reducing potential security vulnerabilities by 50% Reduced app startup time from 5 seconds to 4 seconds through API caching optimization Refactored codebase from Java/MVP to Kotlin/MVVM, improving maintainability and reducing bugs by 30% Implemented alternative SDKs for non-Google devices, expanding user base by 15% in targeted markets
• ANDROID DEVELOPER

  CAT Software House

  2018.05-2019.09

  (a year)

  Developed Buseet Driver App, a comprehensive bus management solution with real-time tracking using Kotlin, MVP, RxJava, and Firebase Built Ta7wela supply chain app for drivers with GPS-based location reporting and real-time order management Created BotBank for Credit Agricole with voice and text query functionality using Hilt and LiveData Designed OuiHop ridesharing platform and Soundwalkrs audio tour app with clean architecture patterns
• ANDROID DEVELOPER

  Coformatique Software House

  2017.06-2018.01

  (8 months)

  Implemented TeethBooth facial recognition app using Google Vision API for real-time filter applications Created WE180 social platform with integrated food/exercise tracking and analytics features Designed event guide applications with live chat, questionnaires, and social networking capabilities
• ANDROID DEVELOPER INTERN

  Vodafone

  2017.01-2017.04

  (4 months)

  Contributed to Kotobi digital library app offering 10,000+ Arabic books and 30+ periodicals Fixed bugs and stability issues, improving app reliability by 30% Implemented new features to enhance user experience and engagement

Educational experience

• Shorouk Academy, Egypt

  Computer Science

  2012.07-2016.07

  (4 years)

  Computer Science

Languages

Skills