Open to opportunities

F Chan

@fchan

Mobile Developer with 14y building and scaling high-impact commercial apps. Recently exploring applied LLM system dev and evaluation.

United Kingdom

Message

What I'm looking for

I'm looking to build high-impact mobile and AI-powered products, particularly privacy-first applications and applied LLM systems, while continuing to work with modern Swift, React, automation, and agentic AI workflows.

Senior Mobile Developer with over 14 years of experience building and scaling high-impact commercial applications serving millions of users in multiple domains, including government services and TV streaming. Experienced in modern patterns, architectures and AI-assisted development workflows. Recently exploring applied LLM system development and evaluation.

Experience

Work history, roles, and key accomplishments

Current

Software Engineer

Current

Freelance Work and Professional Development

Jul 2025 - Present (1 year 1 month)

- Built privacy-first AI chat app for a startup
- Developed personal projects, eg. an AI-powered study web app
- 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.
- Expanded expertise in Swift 6, modern SwiftUI, local LLM integration, AI iOS runtime testing and agentic AI workflows.

UIKit CI CD Jenkins TypeScript LLM Evaluation Applied AI Swift SwiftUI GitHub Actions AI Workflows

Senior iOS Developer

Art Technologies Ltd

Apr 2021 - Jul 2025 (4 years 3 months)

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

Core Products:

- Verse Collect (iOS) - NFT wallet
- Views Art (iOS) - Art inventory for dealers
- Verse.works (React.js) - NFT marketplace

AI Workflows Swift SwiftUI UIKit Concurrency CI CD React TypeScript GitHub Actions CSS

Solution Analyst(Senior Mobile Engineer)

Hong Kong Observatory

Jan 2019 - Jan 2021 (2 years)

- 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.

Core product:

- MyObservatory (iOS + Android)

Swift Android iOS Jenkins CI CD Team Management Technical analysis Kotlin SwiftUI UIKit

Solution Analyst (Mobile Engineer)

PCCW Solutions Limited

May 2016 - Oct 2018 (2 years 5 months)

- Maintained and upgraded 15+ high-traffic Android and iOS apps for live streaming and VOD using Java, Swift and Objective-C.
- Implemented automated UI testing using Appium to improve quality and efficiency.

Core Product:

- Now TV (iOS + Android) - Premier mobile streaming companion to the city's largest pay-TV service, providing live sports, movies, VODs and TV channels.

Java Swift Objective C Android iOS Appium UI Testing UIKit

Mobile System Analyst (Mobile Engineer)

GoHome HK Ltd

Feb 2013 - Apr 2016 (3 years 2 months)

- Launched and scaled Android and iOS apps for property listings using Java and Objective-C. 6 mobile apps launched in total.

Core Product:

- GoHome (iOS + Android) - Property listing and search platform with instant chat features.

Java Objective C Android iOS