Adriel Tang: ASP.NET and Flutter developer in Kuala Lumpur

Full stack developer in Kuala Lumpur, working mainly in ASP.NET Core, C#, Flutter, and Dart.

I build websites, web apps and mobile apps.

I'm a developer by day and I take freelance projects on the side. Got something you want built? Let's discuss.

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Taking on freelance projects.

Work

Crest An offline-first gym workout tracker: log sets, run rest timers, and see progress without a connection.Mobile app, 2026. Flutter, Dart, Drift, SQLite, Riverpod.
Cairn A local-first planner that keeps tasks, projects and notes together, with Google Calendar, Drive and Gmail alongside, now released on Android.Mobile app, 2026. Flutter, Dart, Drift, SQLite, Riverpod.

What I build

Cross-platform mobile apps built once in Flutter, shipped to iOS and Android. Flutter, Dart, Drift, SQLite. See Crest and Cairn.