Featured Project
HKTB AI Trip Planner
Full-stack AI-powered trip planning platform with 5-step questionnaire, drag-and-drop itinerary management, and admin portal for event management.
Role
Platform & DevSecOps Engineer
Timeline
September 2025 - Invalid Date
Category
professional
~15,000 lines of code
150+ files
1,500+ translation keys
3 languages
Overview
Built production-ready AI trip planning platform for Hong Kong Tourism Board from scratch. Features interactive multi-step questionnaire system, AI-powered itinerary generation via AWS Lambda, drag-and-drop itinerary customization, and comprehensive admin portal for event management with DynamoDB integration. Supports 3 languages with 1,500+ translation keys.
What I Built
- •Built complete 5-step questionnaire system with date selection, interest selection, preference refinement, lifestyle preferences, and daily pace configuration
- •Integrated AI-powered itinerary generation via AWS Lambda with API proxy pattern for security and rate limiting (10 req/min)
- •Implemented drag-and-drop itinerary management using @dnd-kit with touch optimization for mobile devices
- •Developed admin portal with DynamoDB integration for bulk event imports (25 items/batch) and event viewer with filters
- •Created comprehensive i18n system supporting 3 languages (English, Traditional Chinese, Simplified Chinese) with 1,500+ translation keys
Key Achievements
- ~15,000 lines of code across 150+ files
- Multi-language support with 1,500+ translation keys across 3 languages
- Production-ready with comprehensive security layers (JWT, rate limiting, input validation)
- Admin event import system with batch processing and HKTB format support
- Drag-and-drop itinerary customization optimized for mobile
Technologies Used
Next.js 15React 19TypeScriptTailwind CSS 4AWS Amplify Gen 2AWS CognitoAWS DynamoDBAWS Lambdanext-intl@dnd-kitZod
Tags
Full-StackNext.jsReactAWSAI Integrationi18nTourism