Johnny Owayed

About Me

Results-driven Senior iOS & Flutter Developer with 6+ years of experience in mobile app development. Expert in iOS (Swift, SwiftUI) & Flutter, advanced UI/UX design, and analytics-driven user insights.

Led the development of high-performance apps, increasing user engagement by 20% and achieving 99.99% crash-free sessions. Seeking to apply my expertise in scalable app architecture and cutting-edge design to deliver top-tier mobile experiences for users across platforms.

My mission is to create intuitive, high-performance mobile applications that provide exceptional user experiences while maintaining robust, scalable codebases.

Featured Projects

Simly Icon

Simly - iOS App

Overview

Developed and maintained an iOS app with over 1M+ users, ensuring high performance and scalability.

Technical Highlights

  • Introduced SwiftUI screens to enhance UI consistency and performance
  • Utilized Combine for reactive programming and improved data flow management
  • Achieved 99.99% crash-free sessions, providing stable and reliable user experience
  • Enhanced user engagement through advanced UI/UX designs and animations
  • Ensured app scalability to handle a growing user base of over 1 million users
Simly Screenshot 1 Simly Screenshot 2 Simly Screenshot 3
Download on the App Store
Task Manager Icon

Task Manager - iOS App

Overview

A feature-rich task management application built with the latest iOS technologies, showcasing advanced SwiftUI implementations while maintaining clean, maintainable code.

Technical Highlights

  • Built with Swift 5.10 and SwiftUI 5, targeting iOS 18+
  • Implemented MVVM architecture with SOLID principles
  • Developed comprehensive task management with rich sorting and filtering options
  • Created fluid animations and gesture controls for intuitive interaction
  • Integrated Core Data for robust data persistence with efficient queries
  • Implemented full accessibility support with VoiceOver compatibility and Dynamic Type
Task Manager Screenshot 1 Task Manager Screenshot 2 Task Manager Screenshot 3
View on GitHub
AI Video Generator Icon

AI Video Generator - Serda

Overview

Led the development of an AI-powered video generation application using Flutter, delivering a seamless cross-platform experience.

Technical Highlights

  • Implemented complex AI integration for automated video creation from text prompts
  • Built responsive UI with Flutter and Bloc state management
  • Integrated with cloud services for media processing and storage
  • Developed custom video rendering and editing capabilities
  • Created intuitive user experience for AI-assisted content creation
AI Video Generator Screenshot 1 AI Video Generator Screenshot 2 AI Video Generator Screenshot 3
Download on the App Store
Yara Icon

Yara - Dubai Real Estate

Overview

Developed a specialized real estate application focused on luxury apartment sales in Dubai, offering seamless property browsing and purchasing experience.

Technical Highlights

  • Built with Flutter for consistent experience across iOS and Android platforms
  • Implemented interactive property maps and 3D apartment visualization
  • Integrated secure payment gateway for property reservations and deposits
  • Created personalized user accounts with favorite properties and viewing history
  • Implemented advanced search filters and recommendation algorithms based on user preferences
Yara Screenshot 1 Yara Screenshot 2 Yara Screenshot 3
Download on the App Store
Saradar Bank Icon

Banking App - Saradar Bank

Overview

Improved banking app functionality by developing features within an Agile team of 5 members.

Technical Highlights

  • Improved app performance, reducing load times by 25%
  • Increased application reliability through performance optimization and unit tests
  • Advanced app development by adopting modern architectures like MVVM and RxSwift
  • Collaborated effectively within an Agile environment
  • Designed and implemented robust financial features for secure banking operations
Saradar Bank Screenshot 1 Saradar Bank Screenshot 2 Saradar Bank Screenshot 3
Download on the App Store
Pic Answer Icon

Pic Answer - AI Image Analysis

Overview

Developed a Flutter application that uses AI to analyze images and provide contextual information and answers based on visual content.

Technical Highlights

  • Integrated cutting-edge image recognition API for accurate visual analysis
  • Implemented camera functionality with real-time processing capabilities
  • Created intuitive UI/UX for seamless image capture and analysis workflow
  • Developed cross-platform compatibility with optimized performance on both iOS and Android
  • Implemented offline capabilities for basic functionality without internet connection
Pic Answer Screenshot 1 Pic Answer Screenshot 2 Pic Answer Screenshot 3
Download on the App Store
Malak Al Taouk Icon

Malak Al Taouk - Restaurant App

Overview

Designed and developed a comprehensive restaurant application for Malak Al Taouk, featuring online ordering, menu browsing, and loyalty program functionality.

Technical Highlights

  • Built with Flutter for cross-platform compatibility and consistent user experience
  • Implemented secure payment processing with multiple payment options
  • Created real-time order tracking system with estimated delivery times
  • Integrated location services for delivery zone management and store locator
  • Developed loyalty program with points system and rewards redemption
Malak Al Taouk Screenshot 1 Malak Al Taouk Screenshot 2 Malak Al Taouk Screenshot 3
Download on the App Store

Skills & Technologies

Programming & Development

  • iOS: Swift, SwiftUI, Objective-C
  • Flutter: Dart, GetX, Bloc
  • Architecture & Design Patterns: MVVM, MVC, Coordinator
  • Multithreading, Caching & Memory Management
  • Networking: RESTful APIs, GraphQL, WebSockets
  • Database Management: Core Data, Realm, Firebase

Tools & Technologies

  • Reactive Programming: RxSwift, Combine
  • Dependency Injection & Modularization
  • Testing & Optimization: Unit/UI Testing, Performance Tuning
  • CI/CD Pipelines: Fastlane, GitHub Actions, Xcode Cloud
  • Automation & Deployment: TestFlight, App Store Connect, Firebase App Distribution

Project Management & Methodologies

  • Agile Development: Scrum
  • Version Control & Collaboration: Git, Jira, Trello
  • User Analytics & Performance Monitoring: A/B Testing, Crash Reporting
  • AI Augmented Defect Resolution

Professional Experience

01/2022 - Present

Senior iOS & Flutter Developer

Supono Holdings
  • Led the development of 5 cross-platform entertainment apps using Flutter (GetX, Bloc) and iOS (Swift, Objective-C).
  • Enhanced user engagement by implementing advanced UI/UX designs and animations.
  • Boosted user retention by integrating analytics, A/B testing and crash reporting.
  • Achieved 99% crash-free sessions through effective unit testing.
01/2024 - 01/2025

Senior iOS Developer

Simly
  • Developed and maintained an iOS app with over 1M+ users, ensuring high performance and scalability.
  • Introduced SwiftUI screens to the app, enhancing UI consistency and performance.
  • Utilized Combine for reactive programming, improving data flow management.
  • Achieved 99.99% crash-free sessions.
06/2021 - 12/2022

Senior iOS Developer

Saradar Bank
  • Improved banking app functionality by developing features within a team of 5 Agile members.
  • Improved app performance, reducing load times by 25%.
  • Increased application reliability by optimizing performance and implementing unit tests.
  • Advanced app development by adopting modern coding architectures like MVVM and RxSwift.
01/2019 - 05/2021

iOS Developer

Fibler
  • Increased user satisfaction by 20% through redesigning the iOS app's user interface.
  • Enhanced communication by integrating real-time features including calls, video, and chat.
  • Enabled advanced functionality with AI and live-streaming for app users.
  • Optimized app navigation using MVC and coordinator patterns.
  • Increased data exchange capacity by implementing advanced socket connections.
10/2017 - 12/2018

Junior iOS Developer

Chip
  • Integrated third-party frameworks for 3 mobile apps using Swift.
  • Enhanced app functionality by integrating Google Maps and Bluetooth beacon support.
  • Managed location services, notifications, and local databases for 2 apps.
  • Improved customer satisfaction by providing support and analyzing user needs.

Education & Certifications

Education

MS Computer and Communication Engineering
American University of Science and Technology (AUST)
06/2018 - 02/2020 | Beirut, Lebanon
BS Computer and Communication Engineering
American University of Science and Technology (AUST)
11/2012 - 06/2017 | Beirut, Lebanon

Certifications

Clean Code
Completed
MVVM Swift
Completed
BDD Swift
Completed
Swift Concurrency
Completed
Flutter Development Bootcamp
Completed
Advanced CoreData
Completed
Unit Testing Swift
Completed
SwiftUI and SwiftData
Completed

Contact Me