Software Engineer at China
👇 Hit in your console or terminal to connect with me.
npx dong4j --no👆 This command line tool can be found at npx-card
Hi, I'm dong4j, a Full Stack Developer 🚀 from China. Currently becoming an independent developer. Beside's programming, I also like motorcycles, traveling, and cats.
- 🧐 Interested in everything Cloud Native and AI
- 🌱 Currently learning Golang and Python
- 📚 Reading about Cloud Native, Kubernetes, and DevOps
- ❤️ Open Source Software
- 🐧 Linux ... it does infinite loops in 5 seconds..
const dong4j = {
pronouns: "He" | "Him",
code: ["Java", "Python", "Javascript"],
askMeAbout: ["web dev",, "cloud computing",, "tech trends"],
technologies: {
frontEnd: {
js: ["React", "Vue.js"],
css: ["Sass", "Tailwind CSS"],
uiLibraries: ["Material UI", "Ant Design", "Element UI"],
},
backEnd: {
java: ["Spring Boot", "Spring Cloud", "Vert.X"],
js: ["NodeJS"],
python: ["Flask"],
go: ["Gin"]
},
mobileApp: {
crossPlatform: ["Flutter", "uni-app"],
},
devOps: ["Docker🐳", "CI/CD", "Nginx", "GitHub Actions"],
cloudServices: {
aws: ["Alibaba Cloud", "AWS Fargate", "EC2", "S3", "Lambda", "CloudWatch", "RDS"],
},
databases: ["MySQL", "MongoDB", "SQLite", "PostgreSQL", "Redis"],
misc: ["REST APIs", "WebSockets", "Cloud Functions"],
generativeAI: ["GPTs", "Ollama" , "ComfyUI"],
},
architecture: {
frontEnd: ["SPA", "SSR"],
backEnd: ["microservices", "monolithic", "serverless"],
devOps: ["CloudFormation", "Serverless Framework"],
databases: ["Relational", "NoSQL", "In-memory"],
},
currentFocus: "Leading a way in generative AI innovation",
funFact: "I can debug faster with a tea in hand!"
};
- 被内存条逼出来的 Homelab：3 台 Mac 撑起 IntelliAI Engine 的免费大模型服务
- 用一台 Mac mini M2 当博客网关：WireGuard 把分散的服务收编回家
- PVE 万兆网卡只跑 1G？一次 ARP Flux 的完整排查记录
- 家里十几台服务器的命令历史，被我塞进了一个 hishtory：顺便接上自建 AI 网关
- 服务器开机后在 tty1 自动显示 btop：一块小屏幕救一根 HDMI 线的故事
- 受够了手动配 Samba：一个脚本搞定家里所有 Linux / OpenWrt 的文件共享
⏳ WakaTime Stats
🐱 My GitHub Data
📦 1.7 MB Used in GitHub's Storage
🏆 870 Contributions in the Year 2026
🚫 Not Opted to Hire
📜 254 Public Repositories
🔑 19 Private Repositories
I'm a Night 🦉
🌞 Morning 4555 commits ████░░░░░░░░░░░░░░░░░░░░░ 16.13 %
🌆 Daytime 9381 commits ████████░░░░░░░░░░░░░░░░░ 33.22 %
🌃 Evening 9494 commits ████████░░░░░░░░░░░░░░░░░ 33.62 %
🌙 Night 4807 commits ████░░░░░░░░░░░░░░░░░░░░░ 17.02 %
📅 I'm Most Productive on Tuesday
Monday 4719 commits ████░░░░░░░░░░░░░░░░░░░░░ 16.71 %
Tuesday 4744 commits ████░░░░░░░░░░░░░░░░░░░░░ 16.80 %
Wednesday 4578 commits ████░░░░░░░░░░░░░░░░░░░░░ 16.21 %
Thursday 4033 commits ████░░░░░░░░░░░░░░░░░░░░░ 14.28 %
Friday 3747 commits ███░░░░░░░░░░░░░░░░░░░░░░ 13.27 %
Saturday 3048 commits ███░░░░░░░░░░░░░░░░░░░░░░ 10.79 %
Sunday 3368 commits ███░░░░░░░░░░░░░░░░░░░░░░ 11.93 %
📊 This Week I Spent My Time On
🕑︎ Time Zone: Asia/Shanghai
💬 Programming Languages:
Other 12 hrs 7 mins ██████░░░░░░░░░░░░░░░░░░░ 22.15 %
Java 11 hrs 9 mins █████░░░░░░░░░░░░░░░░░░░░ 20.38 %
Markdown 7 hrs 45 mins ████░░░░░░░░░░░░░░░░░░░░░ 14.16 %
JavaScript 4 hrs 12 mins ██░░░░░░░░░░░░░░░░░░░░░░░ 07.69 %
Image (svg) 3 hrs 54 mins ██░░░░░░░░░░░░░░░░░░░░░░░ 07.13 %
🔥 Editors:
Chrome 32 hrs 53 mins ███████████████░░░░░░░░░░ 60.08 %
IntelliJ IDEA 8 hrs 54 mins ████░░░░░░░░░░░░░░░░░░░░░ 16.26 %
iTerm2 3 hrs 14 mins █░░░░░░░░░░░░░░░░░░░░░░░░ 05.92 %
VS Code 2 hrs 56 mins █░░░░░░░░░░░░░░░░░░░░░░░░ 05.36 %
Figma 2 hrs 32 mins █░░░░░░░░░░░░░░░░░░░░░░░░ 04.65 %
💻 Operating System:
Mac 54 hrs 45 mins █████████████████████████ 100.00 %
I Mostly Code in Java
Java 35 repos ███████████░░░░░░░░░░░░░░ 42.17 %
JavaScript 11 repos ███░░░░░░░░░░░░░░░░░░░░░░ 13.25 %
TypeScript 4 repos █░░░░░░░░░░░░░░░░░░░░░░░░ 04.82 %
MDX 3 repos █░░░░░░░░░░░░░░░░░░░░░░░░ 03.61 %
Kotlin 2 repos █░░░░░░░░░░░░░░░░░░░░░░░░ 02.41 %
Timeline
Last Updated on 22/04/2026 02:34:07 UTC
These Readme stats are generated using Github Action awesome-readme-stats
NOTE: Top languages does not indicate my skill level or anything like that. It is just a metric of which languages have been hosted by me on GitHub based on the usage across repositories. There are others which I haven't put up on GitHub.
〽️ GitHub Stats
🛠️ Languages and Tools
Visitor count
🌱 Learning all about Open Source
⭐️ From dong4j