Backend-Focused Full-Stack Engineering · Cloud Architecture · CI/CD Automation
This GitHub organization hosts the portfolio and engineering work of
Yang Yanqing (杨彦青) — a backend-oriented full-stack developer based in Berlin,
specializing in scalable systems, cloud deployment, and production-grade architectures.
- Backend Engineering: Node.js · Express 5 · TypeScript · Python (FastAPI)
- Cloud & Infrastructure: AWS (EC2, S3, CloudFront) · Nginx · Docker · GitHub Actions
- Databases: PostgreSQL · MongoDB Atlas · Prisma ORM
- Architecture: Distributed systems · Real-time communication · Clean backend design
- Quality: CI/CD pipelines · Automated testing · Coverage · Health & readiness checks
Node.js · MongoDB Atlas · React · Socket.IO · Docker · AWS · CI/CD
Production-grade project featuring:
- JWT authentication + role-based access
- Product CRUD + ownership enforcement
- Real-time chat with product sharing
- Dockerized backend on AWS EC2
- Frontend on CloudFront + S3
- Automated CI/CD with GitHub Actions
👉 Repo: https://github.com/yanqing-developer/my-BuddyCart
Node.js · TypeScript · Prisma · PostgreSQL · React · Fly.io · Render
Features:
- Multi-role workflow (HR / Lead / Candidate)
- Status transitions & activity history
- Prisma data modeling
- Cloud deployment (Render + Fly.io)
👉 Frontend: https://github.com/yanqing-developer/myHireHub-frontEnd
👉 Backend: https://github.com/yanqing-developer/myHireHub-backEnd
Python · Django · FastAPI · PostgreSQL
Enterprise-grade experience:
- Integrated 2M+ historical records
- Designed backend data models and API layer
- Cloud deployment and long-term system stability
👉 Repo: https://github.com/yanqing-developer/trademark-platform-architecture
Yang Yanqing (杨彦青)
Backend-Focused Full-Stack Developer
📍 Berlin, Germany
🔗 Personal GitHub: https://github.com/Yang-Yanqing
🔗 LinkedIn: https://www.linkedin.com/in/yanqing-yang-berlin/