👋 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.