Andy Z

@andy_backend

java

China

English

About me

Senior C++ / Java / MySQL backend engineerI build production backends that serve real users — not tutorial demos. ✔ C++ network programming: TCP/UDP servers, epoll, custom protocols, brpc — chat and IM systems built for high concurrency ✔ Java: Spring Boot microservices, Netty gateways, JWT auth, REST APIs ✔ MySQL: schema design, indexing strategy, slow-query tuning, Redis caching Every delivery includes documented, maintainable code and a README explaining the design, so you can extend it after delivery. Message me before ordering — I'll scope your project and pick the right package.... Read more

Skills