About Me

Professional Background

With over 10 years of experience in software development, I specialize in backend architecture for high-performance game servers and application systems. My expertise spans across multiple programming languages and frameworks, with a focus on building scalable, maintainable, and efficient systems.

Collaboration

I'm open to both on-site and remote work opportunities. Whether you need help with system architecture, backend development, or full-stack solutions, I bring a wealth of experience and a commitment to excellence.

On-site WorkRemote Work

Skills & Expertise

Backend Development

High-performance services, clean APIs, and scalable architecture.

GoPHPRustREST APIsgRPCWebSocketRedisMySQLPostgreSQL
  • Latency & throughput optimization (profiling, caching, DB tuning)
  • Reliable service design: timeouts, retries, rate limiting

System & Architecture

Designing resilient systems with strong operational maturity.

System DesignMicroservicesDistributed SystemsObservabilityCI/CDDockerKubernetesLinux
  • High availability, fault tolerance, and capacity planning
  • Monitoring, tracing, logging, and incident response

Frontend Development

Modern web UI with performance, accessibility, and good UX.

ReactVue 3Next.jsTypeScriptTailwind CSSSSR/SSGSEO
  • Component-driven development and design systems
  • Performance-focused rendering and animations

Mobile Development

Cross-platform apps that integrate smoothly with backend services.

React NativeFlutterCross-PlatformAPI Integration
  • Shared business logic and consistent UX across platforms
  • Release workflows and runtime stability

Experience

Game Backend Development

10+ Years

Architected and developed high-performance game server systems handling millions of concurrent users. Specialized in real-time multiplayer infrastructure, matchmaking systems, and game state management.

GoRedisMySQLWebSocketMicroservices

Application Backend Development

10+ Years

Built scalable backend systems for various applications including e-commerce, social platforms, and enterprise solutions. Expertise in API design, database optimization, and cloud infrastructure.

PHPRustPostgreSQLDockerKubernetes

System Operations & Architecture

Ongoing

Designed and maintained distributed systems with high availability and fault tolerance. Implemented CI/CD pipelines, monitoring solutions, and automated deployment strategies.

AWSGCPLinuxTerraformPrometheus

Get In Touch

Contact Information

longmon.hau@gmail.comdev.to ProfileTelegram

Availability

Open to both on-site and remote opportunities. Available for full-time positions and consulting projects.