Projects

Standalone multi-tenant payment gateway service with HMAC-SHA256 signing, JWT authentication, and merchant management system.

Complete A-to-Z ticket purchase flow with Type Approval compliant payment monitoring and automated reconciliation.

Full-stack healthcare appointment booking platform mini-program within Octopus app, featuring React frontend and Spring Boot backend with AWS integration.

Full-stack AI-powered trip planning platform with 5-step questionnaire, drag-and-drop itinerary management, and admin portal for event management.

Bilingual promotional campaign website with real-time leaderboards, JWT authentication, and comprehensive analytics tracking for Mobile Octopus rewards program.

Responsive recipe and blog platform with Sanity CMS integration, featuring desktop/mobile layouts and multi-language support.

Mobile-first loyalty program platform with missions, promotions, offers, and eStamps, featuring Ionic React components and AEM integration.

Full-stack proprietary trading platform for Southeast Asia — from challenge purchase to funded account, MT5 provisioning to profit withdrawal, all custom built.

Solo-architected, solo-built two-sided service marketplace for Malaysia — Go backend, Flutter mobile, Next.js web, PostGIS spatial matching, and a full escrow payment engine.

Built distributed virtual goods inventory system managing millions of game items across 20+ international gaming titles.

Built unified API gateway serving as integration hub for game services with standardized authentication and rate limiting.

Developed comprehensive points and rewards platform managing player loyalty programs across international gaming ecosystem.

Created comprehensive admin portal empowering operations teams to manage campaigns, players, and content across 20+ games.

Built monitoring infrastructure (监控平台 & 日志管理) providing real-time visibility into system health across all AMS services.

Developed multi-language template system supporting 15+ languages with self-service export functionality.

Full-stack sports platform with Next.js frontend, PHP/CodeIgniter backend, and comprehensive SEO optimization.

Achieved 95% SQL query performance improvement through database optimization and query restructuring for external client.

Simple company website built over existing boilerplate with basic customization and content management.

Provided limited assistive support for healthcare SDK development on iOS and Android platforms.