led many innovations for RingCentral Video on iOS platform, such as Augmented Reality in video call, native virtual background, on-device automatic speech recognition.

Led and built RingCentral Mac app with Mac-Catalyst based on RingCentral iOS mobile app.

Built MobileIron Threat Defense (MTD) Anti-phishing. Intercept device traffic offering VPN, Anti-phishing and sinkhole services for access and data security.

Built Microsoft Intune Device Compliance feature by partnering with Microsoft Azure Intune service team, providing Microsoft 365 conditional access by policy to protect data with Azure AD service.

Built native App Catalog App from the ground up.

Built unified integration test framework to support automatic testing for iOS client.

Built iOS MaaS360 VPN app from scratch.

Built iOS MaaS360 messaging app with UCWA and Microsoft Lync server from scratch.

Refactored infrastructure networking module with URLSession.

Implemented and delivered project Document scanner based on iOS Vision and CoreML frameworks.

Implemented iOS Baidu Maps app features, including UI, Search services, Location services and Map rendering and following up through each iteration version. Refactored the cross-platform map engine with software design pattern COM in C/C++, offering map service, search service, networking, database, etc.

Built Baidu Map app for iPad from scratch. Instrumental in setting up the iOS Baidu Map SDK and iPad teams, collaborated with developers and offers users a stable high-performance iOS map SDK.

Handled project through from start to finish with a mixture of technical knowledge and leadership.