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mumulin-all/README.md

👋 Hi, I'm MuMu

Go Backend Developer | 4+ Years Experience | Guangzhou, China

🚀 Tech Stack

Languages & Frameworks Go C++ Python

Databases & Cache MySQL Redis MongoDB

Infrastructure & Tools Kubernetes Docker gRPC Kafka

💼 Professional Experience

Go Backend Developer | Jan 2022 - Present

  • Designed and maintained multiple Golang microservices in distributed systems
  • Built high-concurrency systems supporting millions of daily requests
  • Participated in the refactoring of C++ services to Golang
  • Familiar with Kubernetes and Istio traffic management, capable of troubleshooting basic service deployment and traffic routing issues

C++ Backend Developer | Jul 2021 - Dec 2021

  • C++ backend development with Python automation scripts

🏆 Key Projects

  • Distributed E-commerce System — Built scalable shopping platform with distributed transactions
  • Third-party Integration Platform — Implemented OAuth2.0 authentication and HMAC security
  • Real-time Processing System — Designed high-throughput message processing with Redis
  • Workflow Management System — Developed status-based approval system with event-driven architecture

📚 Core Skills

  • Go: Goroutine concurrency, channel, map, sync package
  • Database: SQL optimization, indexing, transaction isolation
  • Distributed: gRPC, HTTP, Kafka, distributed transactions
  • Auth: JWT, OAuth2.0 + PKCE, HMAC signing
  • Infra: Docker, Kubernetes, Linux, performance profiling

📫 Contact

⚡ Fun Fact

Learn by doing. 🎯

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