HB

Ho Chi Minh City, Vietnam

Hi, I’m Hung Bui.Flutter mobile developer.

I have 3 years of experience building Flutter apps for iOS and Android—from development through release to ongoing maintenance. My focus is clean architecture and performance.

View my work GitHub LinkedIn
Hung Bui wearing a navy suit outdoors

01 / SKILLS

LANGUAGE & FRAMEWORK

  • Dart
  • Flutter
  • Kotlin
  • Swift

ARCHITECTURE & STATE

  • Clean Architecture
  • MVC
  • MVP
  • SOLID
  • BLoC
  • Riverpod
  • Provider
  • GetX

DATA & INTEGRATIONS

  • Dio
  • http
  • WebSocket
  • Firebase
  • Supabase
  • Isar

DELIVERY

  • App Store Connect
  • Google Play Console
  • TestFlight
  • DeployGate
  • Firebase App Distribution

GIT

  • MR workflow
  • GitHub
  • GitLab
  • BitBucket

AI DEVELOPER TOOLS

  • Claude Code
  • Codex
  • Cursor
  • GitHub Copilot

HARDWARE

  • Receipt printer
  • Cash drawer
  • Barcode / QR scanner

TESTING & SECURITY

  • Unit testing
  • UI testing
  • E2E testing
  • OWASP MASTG/MASVS-based checklist

02 / EXPERIENCE

Oct 2023 — Present

Ho Chi Minh City

Flutter Mobile Developer

SPLUS SOFTWARE JSC

Developed and maintained Flutter applications for Japanese clients across diverse industries and business use cases.

  • Own features from implementation through release on iOS and Android.
  • Work with BA, QA/QC, backend, and Scrum teams to deliver and maintain product features.
  • Flutter
  • iOS
  • Android
  • Scrum

May 2023 — Aug 2023

Ho Chi Minh City

Flutter Mobile Developer Intern

STVG CO., LTD

Built Flutter features connected to REST APIs, fixed issues, and supported testing and QA deployments.

  • Flutter
  • REST APIs
  • QA

03 / PROJECTS

Vision Training App

A cross-platform mobile app for stereoscopic vision training.

  • Implemented camera-based face and device detection with BlazeFace, EfficientDet-Lite via Dart FFI.
  • Built iOS and Android subscriptions with StoreKit and Google Play Billing.
  • Implemented biometric authentication and server-side device binding.
  • Flutter
  • Dart FFI
  • On-device ML
  • Clean Architecture
  • Google Play Billing
  • StoreKit

Restaurant POS App

An internal-use tablet POS app for restaurant ordering, payments, seat management, and reporting.

  • Integrated REST APIs and Socket.IO for real-time app content updates, with Isar-powered offline synchronization.
  • Structured the app's repository as a Melos-managed monorepo with separate packages.
  • Connected peripherals through platform channels.
  • Flutter
  • Clean Architecture
  • Melos
  • REST APIs
  • Socket.IO
  • Isar
  • Platform channels

Donation Management App — 自治体マイページ

100K+ downloads
Google Play App Store

A cross-platform app for managing post-donation applications in Japan.

  • Integrated AWS-backed REST APIs, Firebase Messaging for push notifications, and Crashlytics for crash monitoring.
  • Implemented Android App Links and iOS Universal Links for deep linking.
  • Performed security checks aligned with OWASP MASTG/MASVS, Flutter unit testing, and Maestro E2E testing.
  • Flutter
  • MVP
  • REST APIs
  • Firebase
  • Deep Links
  • OWASP
  • Maestro

Golf Membership App — わたしのゴルフ

Google Play App Store

A cross-platform app for golf lesson booking and access to golf instruction content.

  • Integrated WebView-based content and injected JavaScript to enable custom web–app interactions.
  • Used Firebase Crashlytics to monitor production crashes, investigate issues, and fix bugs reported across users’ devices.
  • Flutter
  • MVC
  • GetX
  • WebView
  • JavaScript
  • Firebase Crashlytics

04 / ABOUT

Education B.E. in Computer Engineering Technology, HCMUTE (2019–2023)

Languages Vietnamese · English

05 / CONTACT

Open to Flutter and mobile development opportunities.

GitHub LinkedIn