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copyboy/README.md

👋 Hi, I'm Gerrad Zhang (张青冬)

Java Architect | Payment Systems Expert | Open Source Contributor

Blog Astro Theme Email Profile Views

💼 Team Leader @ Onerway Payment    📍 Wuhan, China    💻 9+ Years in FinTech

🚀 About Me

I'm a Payment Systems Architect with 9+ years of experience building high-availability cross-border payment infrastructure. I lead technical teams and design systems that process 100K+ daily transactions with 99.95% uptime.

🏆 Open Source Highlights:

🎯 Core Expertise:

  • Architecture: Microservices (Spring Cloud), DDD, Event-Driven Design
  • Payment Domain: Cross-border Payment, Smart Routing, Risk Control, Settlement
  • Engineering Excellence: High Availability (99.95%), Performance Optimization, System Refactoring

📚 Knowledge Sharing:

  • Writing on i.zhangqingdong.cn about software engineering, management, and productivity
  • Topics: Java Core, Middleware, SOPs, Knowledge Management

🛠️ Tech Stack

Languages & Frameworks

Java Spring TypeScript Python

Architecture & Tools

Microservices Kafka Redis MySQL Docker Kubernetes

Frontend & Content

Astro React Tailwind CSS Markdown


🎯 Featured Projects

Astro Official Theme - Featured on Astro Themes Directory

A modern, performant blog platform built with Astro, React, and Tailwind CSS.

  • ⚡ Lighthouse 100/100 scores
  • 🎨 Beautiful responsive design
  • 📝 MDX support with React components
  • 🌐 Live: i.zhangqingdong.cn

Astro React TypeScript

⭐ 5   🍴 3

🚀 html2md

Blog Article Converter - Live Demo

Convert blog articles from CSDN, CNBLOG, WeChat to Markdown/HTML format.

  • ✅ Multi-platform support
  • ✅ Batch conversion
  • ✅ Clean output
  • 🌍 Bilingual documentation

Java Spring Boot

⭐ 8   🍴 4

📚 Learning Projects

Click to expand
  • Spring Insight - Deep dive into Spring Framework from v0.9
  • Mini Netty - Lightweight network framework built with Java NIO
  • Human 3.0 - AI-powered life management system

🧘 Side Project

📊 GitHub Stats

GitHub Stats Top Languages
GitHub Streak

📝 Latest Blog Posts

➡️ More blog posts...


💼 Professional Experience

🏢 Current Role

Team Leader & Architect @ Onerway Payment (2019.11 - Present)

  • Leading a payment platform processing $3B annual transaction volume
  • Architected microservices system handling 100K+ daily transactions
  • Achieved 99.95% system availability through high-availability design
  • Reduced transaction costs by 18% via smart routing optimization

🎓 Education

Anhui University - B.S. in Network Engineering (2012 - 2016)

  • 🏆 Outstanding Graduate Award
  • 💼 Early AI & Engineering Practice @ iFlytek (2-year internship)

🌱 Currently

  • 🔭 Working on: AI-Driven Workflow Design with MCP Integration
  • 🌱 Learning: System Architecture & Team Leadership (Level 2.0 → 3.0)
  • 👯 Looking to collaborate on: Open Source Payment Tools & Developer Productivity Tools
  • 💬 Ask me about: Payment Systems, Microservices Architecture, Spring Ecosystem
  • 📝 Writing regularly on: i.zhangqingdong.cn

🤝 Connect With Me

Blog Email GitHub


💡 "Stay hungry, Stay foolish"

Building robust payment systems by day, crafting elegant code by night 🌙

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  1. html2md html2md Public

    🚀 Convert blog articles from CSDN, CNBLOG, WeChat to Markdown/HTML | 中文博客文章转 Markdown 工具

    Java 8 4

  2. product_whoami product_whoami Public

    🏆 Astro Official Theme: Modern, performant blog platform for content creators | 现代化博客主题,已收录 Astro 官方主题目录

    MDX 8 5

  3. claude-provider-cli claude-provider-cli Public

    Complete solution for managing Claude Code API providers - switch between GLM, MiniMax and custom providers with ease

    TypeScript 1