Hai Luong
Co-Founder, CEO at Reactron Technologies Oy
Helsinki Metropolitan Area Finland
Summary
🤩
Rockstar🎓
Top SchoolHai Luong is a founder and engineering leader with nine years of hands-on software development and startup-building experience, currently co-running Tekai from Helsinki to reshape the offshore market. He blends product-facing roles—sales, strategy and policy—with deep technical execution, from leading mobile architecture and CI/CD for fintech apps to stabilizing cross-platform React/React Native systems. Hai has practical experience as an interim CTO and consultant, driving MVPs, automated releases, and security-hardening across Android, iOS and web. He is an active open-source contributor to Expo, improving Camera, Media Library and Image Picker modules and fixing platform-specific crashes and encoding bugs that improved multimedia reliability. Educated at Aalto and Tampere, he pairs formal CS training with a track record of turning complex integrations into dependable delivery pipelines. Colleagues describe him as entrepreneurial, technically versatile, and skilled at bridging commercial strategy with engineering detail.
9 years of coding experience
8 years of employment as a software developer
Master's degree Computer Science, Master's degree Computer Science at Aalto UniversityHigh School Diploma, High School Diploma at University of Languages and International StudiesBachelor’s Degree Information and Communication Technology, Bachelor’s Degree Information and Communication Technology at Tampere University
Chinese, English, Vietnamese, Swedish, German
Github Skills (14)
android-developers10
android-developer10
mobile10
camera10
expo10
ios10
react-native10
base6410
android10
app-framework8
typescript-types5
typescripts5
typescript5
javascript5
Programming languages (11)
Github contributions (5)
expo/expo
May 2019 - Oct 2020
An open-source framework for making universal native apps with React. Expo runs on Android, iOS, and the web.
Role in this project:
Mobile Developer (Android/iOS)
Mobile Developer (Android/iOS)Contributions:16 commits, 12 PRs, 52 comments in 1 year 5 months
Contributions summary:Hai primarily focused on improving the Expo Camera, Media Library, and Image Picker modules within the Expo framework. Their contributions involved fixing a crash related to slow-motion video handling on iOS, adding options for asset information retrieval in Media Library, and ensuring correct base64 encoding in various modules, including Camera, Image Manipulator, and Image Picker. Furthermore, the user exported useful types from the Camera module and addressed a permissions-related issue in the Permissions module, improving the user experience.
ios-androidiosmobileweexframework7
reactrondev/react-native-android-location-setting-enabler
Aug 2019 - Jul 2020
React Native bindings for Android's SettingsClient to enable location service without going to device's settings
Contributions:10 commits, 6 PRs, 10 pushes in 11 months
reactreact-nativeandroidlocation-servicelocation
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