Louis Liao
I build AI-powered products from zero to production.
Python · Go · TypeScript · React Native · Vertex AI
How I Build
From napkin sketch to production URL
Idea
Identify real problems worth solving. Research, validate, and scope.
Design
Architecture-first. Clean APIs, type-safe contracts, modular systems.
Create
Ship fast with AI tools. Full-stack: frontend, backend, mobile, infra.
Deploy
Production-grade. Docker, HTTPS, CI/CD. If it's not deployed, it doesn't exist.
Shipped & Deployed
Live products running in production
Castwise
LLM Persona Management Platform
Multi-tenant SaaS for managing AI chatbot personas across LINE channels. Features bot configuration, knowledge base management, session tracking, customer analytics, and human handoff workflows.
Cloud AI Service
Intelligent Video Analysis Platform
Enterprise AI video analysis with Vertex AI Gemini. Two-pass VLM architecture, prompt pack management with versioned AI templates, conversational prompt wizard, semantic search, and webhook-driven event classification across 7+ industry verticals.
TripVisualizer
Interactive Travel Map — Web & Mobile
Full-stack travel platform with interactive Leaflet maps, flight tracking via FlightAware API, weather data, destination photos, and restaurant discovery. Includes a React Native + Expo mobile app with offline-first architecture and native maps.
Tech DNA
The tools I reach for