- Implemented RxSwift framework and MVVM patterns. Later refactoring to MVVM-C pattern - Introduce usage of Gitflow for maintaining proper feature development and release cycle - Assisted in debugging and testing, contributing to the successful launch of an app update - Developed and released a language vocabulary game, showcasing strong problem-solving skills and creative UI/UX design - Implemented a real-time language translation feature, leveraging Core ML and Natural Language Processing, expanding the app's global reach

- Adopted the MVVM pattern and propagate a reactive programming style to view controllers that binds view models - Developed and maintained key features for the iQiyi app, including video playback, offline viewing, and user account management - Implemented a secure in-app messaging feature using end-to-end encryption, enhancing user privacy and safety -Continued to refine and rewrite legacy code in Objective-C and helps the evolution of the codebase. Involved in the SwiftUI transition - Mentored junior team members, conducting regular code reviews and providing technical guidance, leading to enhanced team performance and skill development

- Developed and launched a prototype for an innovative iOS app, showcasing strong programming skills and creativity - Worked on an Android application for real estate search - utilized Google Cloud Message, location services from Android SDK and the Google Maps API - In charge of a stock trending iOS app available on App Store. Users are able to browse stock tendency predictions, record and review the revenue of their transactions, and be informed by push notifications (Firebase). Fastlane was used to facilitate distributing the product. Moreover, an iOS SDK was revised to display ads and track user events, such as clicks and impressions

- Import the Payment SDK - App online payment integration - Develop and maintain the Design system - KKday e-Commerce iOS App implementation