faichan

/* 1. */ Built a privacy-first AI chat app from scratch for a Series A funded startup in San Francisco, including on-device data isolation and privacy features. /* 2. */ Self Projects, eg. an AI-powered study webapp that generates chapters of MCQs for practice and mock tests based on the uploaded materials. Skills for self-hosted AI services like Claws. /* 3. */ Sharpened expertise in emerging technologies, eg. Swift 6, modern SwiftUI patterns, local LLMs on iOS (FoundationModels, llama), agentic & copilot AI, harness engineering, AI with automated iOS runtime test.

Led iOS development, launched and scaled two iOS apps for offline-first NFT inventory management and art dealer inventory management.Concurrently studied and contributed to React.js development for an NFT trading web platform.

Led the mobile development team. Maintained and scaled the weather app for the Hong Kong government with 11+ million users. Developed automated CI/CD.

Maintained and upgraded 15+ high-traffic mobile apps, mainly with live streaming and VOD features. Set up Appium automated testing and CI/CD pipelines.

Launched and scaled mobile apps for property listings on both Android and iOS, with in-app purchases and instant messaging features. 6 mobile apps launched in total.