GengWang Zhang's Work | ContraWork by GengWang ZhangGengWang Zhang
Senior Web & Mobile App Developer
Appvertise is a self-serve advertising platform. Advertisers use the iOS and Android app to set up campaigns, pay, and follow their spend in real time. An internal web panel gives the operations team a place to manage users, campaigns, and messages. I designed and built the app, admin panel, and shared Firebase backend. Dr. Lucas — Bespoke Luxury Tailoring
Dr. Lucas is a high-end, direct-to-consumer (DTC) e-commerce brand specializing in bespoke luxury suits with a unique "wear your story" narrative. The platform offers a seamless digital tailoring experience, allowing clients worldwide to design custom garments—from selecting premium Italian fabrics (VBC, Loro Piana, Zegna) to personalizing details like monograms and linings—and have them delivered globally. Mobile Application Data Visualization Platform
A mobile platform that visualizes real-time user activity and business health metrics via interactive charts (line, bar, dashboard, heatmap) with paginated loading and multi-level caching. Includes a configurable container for remote H5/GIF content and private customization. Mobile Office — Enterprise Collaboration App
Mobile Office is a comprehensive enterprise collaboration platform designed to streamline internal communication, workflow management, and daily operations for organizations of all sizes. The app consolidates essential office tools — instant messaging, document management, business process automation, and attendance tracking — into a single, unified mobile experience.