English | 中文 Hi 👋, I'm penjc 📍 Shanghai, China • 👨💻 Backend Engineer 💻 Tech Stack 🛠️ Tools & Frameworks Recent Blog Posts RESTful API Design Guide: Enterprise-level Practice and Best Principles - 2025-07-01 Interface signature - 2025-06-26 Personal homepage installation tutorial - 2025-06-20 First blog - 2025-06-04 Automated by GitHub Actions at UTC 2025-07-06 16:26:04