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👋 Hi, I'm [Ivanzhang]

Senior Java Developer | Indie Maker | Freelancer | AI & Cloud Enthusiast

With 20+ years of experience in large-scale internet companies, I specialize in Java, distributed systems, and cloud-native architectures. Passionate about independent development, AI-driven applications, and developer tooling, I constantly explore cutting-edge tech to build scalable, high-performance solutions.

🏍️ Motorcycle enthusiast | 🏀 Basketball lover | 👨‍👧‍👦 Father of two | 🎯 Clean Code Advocate


🔹 What I Do

Backend Engineering: Java, Spring Boot, Microservices, Event-Driven Systems
Scalability & Performance: Distributed Systems, High-Concurrency Optimization
Cloud & DevOps: Kubernetes, Docker, Terraform, CI/CD Pipelines
AI & Automation: OpenAI, LangChain, RAG, AutoGPT
Indie Development: SaaS, Side Projects, Open-Source Contributions

💡 I love solving complex backend challenges, optimizing large-scale architectures, and bridging AI with real-world applications.


🚀 Tech Stack

🏗️ Backend ☁️ Infrastructure 📦 Databases & Messaging 🧠 AI & Tools
Java, Kotlin Kubernetes, Docker MySQL, PostgreSQL, Redis OpenAI APIs, RAG
Spring Boot Terraform, CI/CD Elasticsearch, MongoDB LangChain, AutoGPT
Quarkus, Micronaut Prometheus, Grafana Kafka, RabbitMQ Python, FastAPI

📌 Open Source & Side Projects

I actively contribute to open-source projects and work on indie products:

  • 🌟 AI-powered automation tools for productivity & efficiency
  • ⚡ Performance-optimized backend systems for high-throughput applications
  • 🛠️ Developer tools that enhance workflow & productivity

🔍 Always looking for new ideas and collaborations! If you're interested in AI-driven applications, high-performance systems, or indie hacking, let's connect!


🔥 Fun Facts

  • 🏍️ Love riding motorcycles — nothing beats the thrill of an open road.
  • 🏀 Basketball enthusiast — play, watch, and analyze NBA games.
  • 🎯 Coding is my craft — I strive for clean, maintainable, and efficient code.
  • 👨‍👧‍👦 Proud father — balancing life between tech, family, and passions.

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