HKTB AI Trip Planner

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

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