Johnny Choi
Freelance Software Developer at Innermost Mobile
Burnaby, British Columbia, Canada
Summary
👤
Senior🎓
Top SchoolJohnny Choi is a freelance software developer with a decade of experience specializing in iOS and full‑stack mobile solutions, combining deep Swift expertise with backend work in Spring Boot, Laravel, and Next.js. He has repeatedly delivered fast, testable, and maintainable apps—leading migrations to Swift 6, adopting The Composable Architecture, and increasing CI and release efficiency through Fastlane and GitHub Actions. His creation-sharing app reached #1 on the Hong Kong App Store with 24,000+ downloads in its first month, demonstrating product instincts alongside engineering rigor. Johnny also manages cloud infrastructure on Google Cloud, cutting costs and improving scalability, and has driven major build-time and test-time optimizations that materially speed development cycles. Based in Burnaby, Canada, he blends hands‑on implementation with operational ownership, often resolving critical production issues within tight SLAs.
9 years of coding experience
3 years of employment as a software developer
Bachelor of Science in Enterprise Information System, Computer Engineering, Bachelor of Science in Enterprise Information System, Computer Engineering at The Hong Kong Polytechnic University
Chinese, English, Chinese
Stackoverflow
1,585reputation
501kreached
18answers
0questions
firebase
top-5%
google-cloud-functions
top-5%
localhost
top-5%
Github Skills (184)
ui-components10
windows10
storekit10
uikit10
firebase10
keyboard10
toast10
sliding10
swift10
dart10
react-hooks10
cross-platform10
draggable10
xcode10
google10
Programming languages (9)
Github contributions (5)
JT501/formik-semantic-ui-react
Oct 2020 - Nov 2020
Simple Wrappers for Formik and Semantic UI React
Contributions:45 commits, 4 PRs, 46 pushes in 20 days
reactsemantic-ui-reactformikwrappersreactjs
JT501/SwiftNotify
Nov 2016 - Sep 2022
A Swifty UI framework for notifications and alerts.
Contributions:14 releases, 179 commits, 3 PRs in 5 years 11 months
customizabledraggablealertalertviewcarthage
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