CS Portal is a multilingual web platform that allows users to browse products, add them to a purchase list, and manage the status of purchased items. Features include shopping cart, purchase tracking, real-time chat, product comments, and data visualization through charts.

• Built and maintained the entire frontend using Next.js.
• Implemented multilingual support using next-i18next.
• Developed shopping cart UI with real-time updates.
• Created interfaces for managing purchased products and tracking their status.
• Integrated Chart.js for visualizing user and product data.
• Developed real-time chat and comment features using native WebSocket.
• Worked closely with backend team to integrate RESTful APIs and enhance UX.

• Next.js: SSR and static site generation.
• React.js: Reusable and dynamic components.
• next-i18next: Multilingual support and localization.
• Chart.js: Interactive charts for analytics.
• WebSocket: Real-time communication for chat.
• Tailwind CSS: Styling and responsive design.
• Keycloak: Authentication, authorization, and SSO.

Developed and maintained four content-based websites: Weather, News, Horoscope, and Comic Reader. Built with Laravel (FE + BE) and Vue.js 3 for the admin dashboard. Architecture leveraged Laravel Modules and Widgets for reusable, scalable design with SEO optimization.

• Developed fullstack features using Laravel Blade and backend logic.
• Structured application using nwidart/laravel-modules for scalable architecture.
• Built reusable UI components via custom Laravel Widgets.
• Generated dynamic XML sitemaps for SEO and search engine indexing.
• Developed admin dashboard in Vue 3 with Ant Design Vue.
• Implemented caching (Redis), SEO meta tag handling, and friendly URLs.
• Developed a crawler to automatically fetch articles from external websites.
• Implemented auto-indexing tools to submit posts to Google programmatically.

• Laravel (FE + BE): Routing, templating, backend APIs, full page rendering.
• Laravel Modules: Scalable, isolated module architecture.
• Vue.js 3: Admin dashboard for real-time content management.
• MySQL / Redis: Structured content storage and cache optimization.
• SEO Best Practices: Meta tags, clean URLs, structured data, sitemap indexing.

Xplor Triib is a platform offering calendar scheduling for coaches, payment collection via debit/credit cards, performance reporting, online client store, SMS/Email integration, workout and nutrition tracking. Payment integration with Stripe and Clearent.

• Implemented new features and fixed bugs for the Web version.
• Created APIs for the Mobile app.
• Supported creating test cases and smoke test documents before assigning to testers.
• Deployed code changes to test server and created pull requests to production.
• Improved application performance.

• PHP / Zend Framework: Backend system and scheduling platform foundation.
• MySQL / Redis: Data storage and cache optimization.
• HTML/CSS/JavaScript/jQuery/Ajax: Interactive user interfaces.
• Bootstrap: Responsive UI compatible with various devices.
• Angular (IONIC): Cross-platform mobile app development.
• TypeScript: Strong typing for enhanced workflow and code reliability.
• Git: Source code version management.

A consulting and study abroad management system including native Mobile Apps (Android & iOS) and WebApp. The system supports end-to-end management of study abroad processes for consultants and students.

• Developed native Android app using Kotlin and native iOS app using Swift.
• Developed WebApp using Next.js.
• Built base project structure and implemented features based on customer requirements.
• Converted Figma designs into production-ready interfaces with responsive layouts.
• Collaborated with customers and BA teams to clarify business requirements.
• Integrated APIs, fixed production issues, and improved system stability.

• Kotlin (Android): Native Android app development with MVVM / Clean Architecture.
• Swift (iOS): Native iOS app development with MVC / MVVM / Clean Architecture.
• GCD / Concurrency (async-await): Background tasks and concurrent data handling.
• Next.js: Web application with SSR/SSG.
• RESTful APIs: Backend service integration across mobile and web.
• Figma: Converted design specs into responsive production UI.

A mobile application for remotely controlling and monitoring air conditioning units. Provides real-time device status, scheduling, and temperature management features.

• Participated in managing and developing the project with a small development team.
• Developed main application features using React Native.
• Designed data flows to support real-time AC control and device status monitoring.
• Optimized data structure, loading speed, and user experience.
• Fixed bugs, improved performance, and delivered features on schedule.

• React Native: Cross-platform mobile app for iOS and Android.
• RESTful APIs: Real-time device control and status monitoring.
• Performance Optimization: Optimized UI responsiveness and data handling.

A mobile application supporting lunar calendar lookup and related utilities. Built for a small development team with both online and offline capabilities.

• Participated in managing and developing the project with a small development team.
• Developed main application features using React Native.
• Designed data processing flows to support both online and offline modes.
• Optimized data structure, loading speed, and user experience.
• Fixed bugs, improved performance, and delivered features on schedule.

• React Native: Cross-platform mobile app for iOS and Android.
• Offline-first Architecture: Data flows supporting online/offline modes.
• Performance Optimization: Optimized data structures and loading speed.