👨‍💻 Hai Doan

Full Stack Developer | Mobile • Frontend • Backend • DevOps

📱 Mobile (Flutter) 🎨 Frontend ⚙️ Backend 🚀 DevOps

Building Complete Solutions From End to End

Hi! I'm Hai Doan, a full stack developer with expertise across the entire technology stack. From mobile apps with Flutter to modern frontends, scalable backends, and automated DevOps pipelines, I build robust, performant solutions that deliver exceptional user experiences.

🛠️ Technical Skills

Mobile Development

  • Flutter & Dart
  • Flame Game Engine
  • Android & iOS Native
  • State Management
  • Responsive Design
  • Firebase & AdMob

Frontend Development

  • React.js & Next.js
  • Vue.js & Nuxt.js
  • TypeScript & JavaScript
  • HTML5 & CSS3
  • Responsive Web Design
  • Modern UI Frameworks

Backend Development

  • Node.js & Express
  • Python & FastAPI
  • REST & GraphQL APIs
  • PostgreSQL & MongoDB
  • Redis & Caching
  • Microservices Architecture

DevOps & Cloud

  • Docker & Kubernetes
  • CI/CD Pipelines
  • AWS & Google Cloud
  • Linux Server Admin
  • Monitoring & Logging
  • Infrastructure as Code

🎮 Featured Project

🐦 Tap Perfect 2D
A challenging one-tap survival game with minimalist stick figure aesthetics. Features progressive difficulty, dynamic enemy AI, responsive screen scaling, and smooth 60 FPS performance.

✨ Game Features

  • One-tap gameplay mechanics
  • Smooth 60 FPS performance
  • Responsive screen scaling
  • 4-stage weapon progression
  • Particle effects and animations
  • Sound effects and haptics
  • Daily streak tracking
  • Score milestones

🛠️ Technical Stack

  • Built with Flutter 3.27+
  • Flame game engine
  • Firebase Analytics
  • AdMob monetization
  • Android & iOS support
  • Optimized for performance
  • Multilingual (EN/VI)
  • Privacy-focused

📬 Get In Touch

Interested in collaborating or have a project in mind? Let's connect!

📧 Email Me