• Led the iOS development, planning, and design for an e-commerce platform.
 • Designed and optimized Video Features and the conversion to SwiftUI.

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• Manage iOS (Apple’s mobile operating system) development for an e-commerce platform (Weverse Shop) and a fan community application (Weverse) for a provider of integrated technology and entertainment services. • Built Weverse Shop, one of the busiest e-commerce services worldwide, including product purchasing, returns process, convenience functions (Siri, Widget, iMessage App, Watch App, Wallet), and integrated online and offline experiences (Beacon, NFC, Geo JSON, and QR). • Designed and optimized Weverse, a highly frequented community application, encompassing Apple Pencil editor devel-opment, photo optimization via face recognition framework, in-application purchasing, store marketing, light stick capa-bilities, and led the image push, video push in collaboration with marketing. • Developed Video Player for handling massive traffic and DRM, and optimized for light stick connecting and handling var-ious subtitle formats. • Weverse Shop and Weverse were both selected for App Store Featured at the same time. • Pioneered innovative platforms for connecting fans of various musical groups, including BTS, Tomorrow X Together, and SEVENTEEN, NU'EST, and GFriend’s.

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• Led the iOS development and planning for a dermatological membership application detailing competitively priced medical services.

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• Led application programming, planning, design, and marketing for Korea’s first company to apply time-commerce meth-ods for hotel reservation services (a last-minute hotel booking platform). • Designed all application functions for hotel reservations, dining services, user interface, animation, and library optimiza-tion, and the conversion of Objective-C to Swift. • Increased audience reach and engagement by developing additional features for iOS users, integrating iMessage, Peek & Pop, Wallet, and Core Spotlight. • Enabled revenue growth by analyzing user demands and market trends and architecting new application functions in co-ordination with cross-functional teams. • The app was selected as an App Store Featured application.

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• Managed iOS design for a leading developer and publisher of mobile games. • Programmed a game engine using C++ and optimized for Apple and Android mobile devices. • Increased efficiency by spearheading the development of innovative user interface and sprint animation tools. • Penetrated new markets by designing an engine for rapid development. • Achieved the Top 10 list for excellence in-game performance. • Reduced programming time by building a centralized platform harmonizing data analytics, in-application purchase, advertising, and push notification.

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• Led quality control and assurance for a leading global interactive software company delivering games, content, and online services for Internet-connected consoles, personal computers (PC), mobile phones, and tablets. • Pioneered the precedent-setting development of a console game on a PC platform; launched the world’s first FIFA and NBA Online games.

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