Paco Yeung

Flutter App (The Standard, HK English daily)

• Played a key role in the research, design, and development of a cross-platform mobile app delivering daily news for Android and iOS platforms.
• Developed the app from the scratch, following Clean Architecture principles and applying Cubit for state management.
• Set up development environments (DEV, UAT, PROD) for both platforms.
• Set up CI/CD pipelines using Jenkins and Fastlane for automated builds, testing, and deployments.
• Designed and integrated REST APIs for dynamic news content.

Native iOS App (Sing Tao Daily, HK Chinese daily)

• Maintaining the app with 50,000+ DAU and 150,000+ MAU.
• Increased crash-free user experience from 96% to 99%.
• Refactoring app architecture from MVC/MVVM to Clean Architecture + MVVM, significantly improving code maintainability and scalability.
• Refactoring reactive programming from RxSwift to Combine, reducing technical debt.
• Implemented video players (SIPlayerKit) to ensure compatibility with third-party video player libraries and advertising service libraries.

Optimized CI/CD pipelines using Jenkins and Fastlane for automated builds, testing, and deployments for iOS.

• Lead a team to maintain and develop iOS trading services apps
• Successfully fixed 50% of the bugs in the trading app during the first two months
• Implemented real-time hot search stock ranking by listening to data streams from Redis Pub/Sub through Socket (developed from scratch), storing the data in a Heap Map, and requiring RESTful APIs simultaneously for extra stock Information
• Set up CI/CD pipelines using Github Action and Fastlane
• Refactoring app architecture from MVVM to Clean Architecture + MVVM

• Developed a web application delivering a matching platform in Japan
• Designed and Developed RESTful APIs using Node.js and ECS
• Configured Power BI for user data visualization

• Company Overview: (Closed)
• Maintained and enhanced Ambi Climate IOT App (Air conditioner remote products), focusing on smart device integration and SDK development
• Improved app architecture by decoupling business logic and abstracting third-party dependencies

• Developed a video content app with advanced features
• Implemented real-time video downloading functionality, allowing users to download videos while watching
• Implemented encryption & decryption methodologies to secure local HLS media content files
• Implemented a video download manager to support multiple concurrent downloads and monitor the download process
• Implemented native video players for both Android and iOS platforms

• Maintained trading apps using Swift, MVVM, RxSwift, and WebSocket

• Maintained apps with Objective-C and Swift

• Maintained apps with Objective-C and Swift