👨🏻‍💻 I'm James Ha

Full Stack Developer  |  Microservices Enthusiast  |  Ho Chi Minh City, Vietnam 🇻🇳

Passionate about building scalable microservice architectures and exploring modern development tools
Coding

👨‍💻 About Me

💼 Professional

  • Current Role: Full Stack Developer
  • Specialization: Backend Systems & Microservices
  • Experience: Spring Boot, Node.js, React
  • Academic: GPA 3.3 / 4.0

🚀 Current Focus

  • Project: Laboratory Information System
  • 8+ Services — Redis, Kafka, gRPC Integration
  • Interest: Distributed Systems, Event Streaming
  • Goal: Senior Developer (5-year plan)

🌏 Personal

  • Languages: 🇻🇳 Vietnamese (Native)
  • 🇺🇸 English & 🇯🇵 Japanese (Learning)
  • Interests: CLI Tools, New Technologies
  • Fun Fact: I love building bash CLI tools!

📬 Contact

  • Email: [email protected]
  • Location: Ho Chi Minh City, Vietnam
  • Open to: Collaboration & Opportunities

🛠️ Tech Stack

Programming Languages Java C# TypeScript Bash
Backend Spring Node.js Express.js .NET Pug
Frontend React React Native Redux HTML5 CSS3 Sass
Cloud & DevOps AWS Docker Kubernetes Jenkins Nginx Linux
Databases PostgreSQL MySQL SQL Server MongoDB Redis
Monitoring & Logging Elasticsearch Kibana Grafana
Dev Tools Git Postman
Message Brokers Kafka

🚀 Featured Projects

🏥 Laboratory Information System

Java Developer — Frontend Leader  |  Jan 2025 – Dec 2025

  • Contributed to a microservice-based healthcare system comprising 8+ services
  • Leveraged Redis, Kafka, gRPC for inter-service communication
  • Led the frontend development team, designing responsive UIs with React
  • Integrated APIs and ensured seamless communication between services
  • Implemented real-time data synchronization and event-driven architecture patterns

🏫 Medical School Health System

Team Leader  |  May 2025 – Jul 2025

  • Developed a comprehensive health management system for a primary school
  • Managed modules: Vaccination Campaign, Health Check, Accident Events, Prescription Request
  • Led a team delivering a full-featured solution for real-world healthcare management
  • Designed system architecture and coordinated development across multiple features

🤝 Connect with Me

📧 Email [email protected]
💼 LinkedIn linkedin.com/in/bryan-ha-189381202
🐦 Twitter / X x.com/cggithub333
💻 GitHub github.com/cggithub333