Second-Hand & New Goods Trading Platform

Developed a full-featured e-commerce trading platform with a

behavioral recommendation engine that analyzes user interactions

(views, likes, follows) to drive personalized product suggestions,

increasing engagement and discovery.

• Strengthened security with Two-Factor Authentication (2FA) and

real-time FCM push notifications for instant order and approval updates.

• Built a comprehensive admin CMS enabling streamlined product

approval workflows and user moderation.

• Implemented a recommendation engine to personalize product

discovery based on behavioral signals.