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!"
};
- 一次大型业务系统性能优化复盘
- 验证码安全漏洞——代码审查不会告诉你的那些事
- 全链路加解密：在 HTTPS 之外再套一层
- 再见 bootstrap.yml，spring.config.import 时代的配置管理
- 使用 Skill 优化我的博客发布流程
- 使用本地 SSH Key 登录 GCP Compute Engine 实例
⏳ WakaTime Stats
🐱 My GitHub Data
📦 1.9 MB Used in GitHub's Storage
🏆 1,007 Contributions in the Year 2026
🚫 Not Opted to Hire
📜 256 Public Repositories
🔑 20 Private Repositories
I'm a Night 🦉
🌞 Morning 4595 commits ████░░░░░░░░░░░░░░░░░░░░░ 16.19 %
🌆 Daytime 9422 commits ████████░░░░░░░░░░░░░░░░░ 33.20 %
🌃 Evening 9553 commits ████████░░░░░░░░░░░░░░░░░ 33.66 %
🌙 Night 4811 commits ████░░░░░░░░░░░░░░░░░░░░░ 16.95 %
📅 I'm Most Productive on Tuesday
Monday 4744 commits ████░░░░░░░░░░░░░░░░░░░░░ 16.72 %
Tuesday 4775 commits ████░░░░░░░░░░░░░░░░░░░░░ 16.82 %
Wednesday 4604 commits ████░░░░░░░░░░░░░░░░░░░░░ 16.22 %
Thursday 4045 commits ████░░░░░░░░░░░░░░░░░░░░░ 14.25 %
Friday 3750 commits ███░░░░░░░░░░░░░░░░░░░░░░ 13.21 %
Saturday 3067 commits ███░░░░░░░░░░░░░░░░░░░░░░ 10.81 %
Sunday 3396 commits ███░░░░░░░░░░░░░░░░░░░░░░ 11.97 %
📊 This Week I Spent My Time On
🕑︎ Time Zone: Asia/Shanghai
💬 Programming Languages:
Other 17 hrs 20 mins ████████░░░░░░░░░░░░░░░░░ 33.15 %
Markdown 15 hrs 30 mins ███████░░░░░░░░░░░░░░░░░░ 29.65 %
TypeScript 7 hrs 6 mins ███░░░░░░░░░░░░░░░░░░░░░░ 13.60 %
Bash 2 hrs 15 mins █░░░░░░░░░░░░░░░░░░░░░░░░ 04.32 %
Python 1 hr 46 mins █░░░░░░░░░░░░░░░░░░░░░░░░ 03.40 %
🔥 Editors:
Chrome 24 hrs 50 mins ████████████░░░░░░░░░░░░░ 47.48 %
iTerm2 8 hrs 6 mins ████░░░░░░░░░░░░░░░░░░░░░ 15.51 %
VS Code 6 hrs 2 mins ███░░░░░░░░░░░░░░░░░░░░░░ 11.54 %
Unknown Editor 5 hrs 58 mins ███░░░░░░░░░░░░░░░░░░░░░░ 11.40 %
ChatGPT 2 hrs 43 mins █░░░░░░░░░░░░░░░░░░░░░░░░ 05.20 %
💻 Operating System:
Mac 52 hrs 19 mins █████████████████████████ 100.00 %
I Mostly Code in Java
Java 35 repos ██████████░░░░░░░░░░░░░░░ 41.18 %
JavaScript 11 repos ███░░░░░░░░░░░░░░░░░░░░░░ 12.94 %
TypeScript 5 repos █░░░░░░░░░░░░░░░░░░░░░░░░ 05.88 %
MDX 3 repos █░░░░░░░░░░░░░░░░░░░░░░░░ 03.53 %
Kotlin 2 repos █░░░░░░░░░░░░░░░░░░░░░░░░ 02.35 %
Timeline
Last Updated on 06/05/2026 03:46:48 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