- Took a whole rewrite of an iOS application (Link) including new features such (As stories, Chat, Groups, etc.) and refactoring, achieved more than 80% performance increase and 97% stability, switched local data storage from Realm to CoreData, used IGListKit (an Instagram framework) for displaying the content (posts, comments, etc.) resulting more flexibility dealing with multiple kinds of views in single view controller and great performance.- Developed a network analytics SDK to scan user's wifi to discover internet connection issues, managed to integrate (internet speed test, port scanning, fetching wifi information and wifi device information, servers connectivity, ping result) and export them as a report.- Along with iOS projects I had a chance to develop a flutter application for hotels that manage their visitor's registration and information, managed to integrate a document scanner with an auto detector.- Provided technical support for Flutter developers with iOS domain.- Managed to implement CI/CD deployment pipelines for iOS and Flutter applications and configured auto-ship to the App Store using Bitrise