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Mobile App Engineer · Available for opportunities

Hi, I'm Mohamed Mobile App Engineer

I design, build & ship production mobile apps for Android, iOS & Windows — from clean architecture to the native layer.

See my apps Live on Google Play
0
years experience
0
apps shipped
0
on Google Play
0
automated tests
I · apps i've shipped

Featured Apps

Production apps across mobile, desktop and full-stack — ordered by impact.

🩺
FLAGSHIP
Medical E-Learning Platform

MedLearn (Z-Med)

A security-hardened cross-platform medical LMS (~90K LOC, 23 Clean-Architecture modules) on Supabase with full Row-Level Security, 20 Deno Edge Functions and Cloudflare R2 video. Paid-content gating, server-side exam grading, a question bank and per-role device licensing — plus AES-256 encrypted offline video with a forensic watermark. Hardened with an authorized RLS/API penetration test (critical IDOR fixed).

FlutterSupabasePostgreSQL RLSDenoCloudflare R2Windows + Android
Download app Private source
🕌
● LIVE · 5.0★
Islamic Companion · Google Play

Azkar

A large-scale Islamic super-app (~110K LOC, 22 feature modules) published on Google Play — 350+ downloads in its first month at a 5.0★ rating. Ships a 604-page QCF Quran reader, prayer times, Qiblah compass, a 45-book hadith library and audio streaming. Built a custom native Android H.264 video pipeline (MediaCodec + OpenGL ES) and battery-resilient background services, with Shorebird OTA hotfixes.

FlutterKotlinMediaCodecFirebaseShorebirdHive
Google Play
💊
AI Healthcare App

Med Assist

AI-powered medication tracking with offline-first architecture, a 3-tier AI failover system (Groq → Gemini → HuggingFace) at 99% uptime, and ML Kit OCR prescription scanning at 95% accuracy.

FlutterRiverpodGemini APIML Kit
View code
⚽
Sports Booking Platform

Sport Kick

Multi-role sports booking system with 3 app flavors (User / Owner / Admin), real-time availability on Supabase, and 360+ automated tests across 169 files at 90%+ coverage.

FlutterSupabaseBLoCbloc_test
View code
🦷
Windows Desktop

DentFlow

Dental clinic management for Windows — interactive FDI dental charts, 500+ patient records, Arabic RTL PDF reports, and a hardware-locked HMAC-SHA256 licensing system.

Flutter WindowsHivePDFHMAC
View code
🏃
Windows Desktop

PhysioFlow

Physiotherapy clinic management with VAS pain analytics, an exercise-prescription system across 10 categories, and an interactive 17-region body map for treatment tracking.

Flutter WindowsGetXHiveCharts
View code
🏕️
Full-Stack

Scout App

Arabic educational platform with a Flutter app and a Node.js / Express REST API backend — video streaming over HTTP Range requests for 1000+ resources, Swagger docs and rate limiting.

FlutterNode.jsExpressSQLite
View code
🩸
Health Management

DiiaBest

Bilingual diabetes-management app with Patient / Doctor roles on Firebase Auth, real-time glucose tracking with chart visualization, and AI-assisted health checks.

FlutterFirebaseBLoCCharts
View code
🤝
Social Platform

Supportify

Volunteer-donor matching platform with role-based access, real-time donation tracking and push notifications on Firebase.

FlutterFirebaseFCM
View code
🏥
Medical Suite

Radiology Center

Cross-platform suite for AI-assisted diagnostics and real-time doctor-patient communication with secure medical image handling.

FlutterAI DiagnosticsReal-time Chat
Private project
II · what i work with

Skills & Expertise

From pixel-perfect mobile UI down to native code and server-side security.

📱

Mobile & Desktop

Cross-platform apps with smooth 60fps UI across three platforms.

FlutterDartAndroidiOSWindows
🏗️

Architecture

Scalable, testable codebases following SOLID and clean layering.

Clean ArchitectureMVVMSOLIDDI
⚡

State Management

Reactive, predictable state for complex flows.

BLoCCubitRiverpodProvider
☁️

Backend & Cloud

Full-stack integration with serverless functions and object storage.

SupabaseFirebaseNode.jsFastAPIDeno EFCloudflare R2
🔧

Native Android

Down to the metal — a custom H.264 video pipeline in Kotlin.

KotlinMediaCodecOpenGL ESPlatform Channels
🔐

Security

Encryption, row-level access control and authorized pen-testing.

AES-256Row-Level SecurityJWTPen-Testing
🧪

Testing & Quality

TDD discipline — 360+ automated tests at 90%+ coverage.

UnitWidgetIntegrationbloc_test
🤖

AI Integration

Multi-provider failover and on-device ML for smart features.

GeminiGroqML Kit OCR
🚀

DevOps & Delivery

CI/CD pipelines, in-app updaters and instant OTA hotfixes.

GitGitHub ActionsCI/CDShorebird OTA
III · career

Work Experience

My journey building mobile and cross-platform products.

Jan 2024 – Present

Freelance Mobile / Flutter Developer

Self-Employed

  • Built & shipped MedLearn — a security-hardened medical LMS on Supabase with RLS, 20 Edge Functions and encrypted video
  • Published Azkar to Google Play (~110K LOC) with a native Android video pipeline; 5.0★ rating
  • Delivered Sport Kick booking platform with 360+ automated tests at 90%+ coverage
  • Built DentFlow & PhysioFlow Windows clinic systems and the Med Assist AI healthcare app
Jan 2025 – Jul 2025

Flutter Developer

Bayanatz

  • Built an HR management app with BLoC and REST API integration
  • Developed a geofencing-based attendance system, improving tracking accuracy by 85%
  • Implemented Kanban task management with an analytics dashboard
  • Created a role-based document management system for 50+ users
Dec 2023 – Feb 2024

Flutter Developer Intern

YrNova, Giza

  • Built a QR / barcode scanner app with SQLite local storage
  • Added automated service reminders to a vehicle-maintenance app, improving retention
IV · curriculum vitae

My Résumé

The full picture — 13+ shipped apps, the stack, and the build log, on one page. Open it online or download a copy.

PDF · 1 page Updated · Jun 2026 EN
Download CV View online
V · get in touch

Let's build a great app

Have a project or a role in mind? I'd love to hear about it.

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