faichan

/* 1. */ Built a privacy-first AI chat application for a Series A-funded US startup, implementing on-device data isolation and privacy features. /* 2. */ Developed an AI-powered study web app that generates structured MCQs and mock tests from uploaded materials. /* 3. */ Exploring React, applied LLM dev and evaluation. Ranked #238/1983 in HackerRank Orchestrate in Aug 2026, a 24hr applied LLM system dev and evaluation challenge. /* 4. */ Expanded expertise in Swift 6, modern SwiftUI, local LLM integration, AI-driven iOS runtime testing, agentic AI workflows, and prompt/harness engineering.

/* 1. */ Led iOS development, launched and scaled two iOS apps for offline-first NFT art inventory management and art dealer inventory management using modern Swift. /* 2. */ Concurrently studied and contributed to React.js development for an NFT trading web platform. /* 3. */ Worked in a remote environment with a cross-functional team and possess a highly proactive professional attitude, effective communication and good time management.

Led the mobile development team of 4 in maintaining and scaling Hong Kong’s official weather app on both Android and iOS. Responsible for hands-on development, team & task management, technical analysis and cross-departmental collaboration. Built automated CI/CD pipelines using Jenkins to improve development efficiency.

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.