Android Developer Profile
Ahmed Mostafa
Senior Android Engineer with 8+ years of experience architecting secure, high-performance POS and
fintech applications processing real-time financial transactions. Expert in Kotlin, Jetpack Compose, and
EMV payment standards with a proven track record of modernizing legacy codebases, building scalable
B2B SDKs, and integrating hardware peripherals (Bluetooth, USB, WiFi). Delivered end-to-end payment
solutions achieving compliance certifications (MADA, TMS2) while reducing integration complexity for
merchant partners. Skilled in Clean Architecture, modular multi-module projects, and CI/CD pipelines in
fast-paced scale-up environments.
🇪🇬 Egypt
Full-Time, Part-Time, Contract
$50 per hour
$60,000 per year
Kotlin, Java, Jetpack Compose, Android SDK, MVVM, Clean Architecture, Multi-Module Architecture, Coroutines & Kotlin Flow, Hilt / Dagger, Room Database, Retrofit, EMV Standards (Chip, Contactless, Magstripe), POS Terminal Development, SDK Development, ECR Integration, Bluetooth / USB / WiFi Hardware Integration, Kotlin Multiplatform (KMP), Compose Multiplatform, Unit Testing (JUnit, Mockito), UI Testing (Espresso, Compose Testing), Firebase Crashlytics, CI/CD (CircleCI, App Center), Git, Agile / Scrum, Performance Profiling & Optimization, System Design for Mobile, Content Providers, WorkManager, Material Design
English, Arabic
Work Experience
Senior Android Engineer
at HALA
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Android Engineer
at NowPay
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Android Engineer
at Millennium Systems Design
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Studies
B.Sc. in Computer Science & Information Systems
at El Shorouk Academy
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