More than 8 years of experience in JavaEE development, a solid foundation in JAVA, understanding of basic knowledge of IO, multithreading, reflection, security, etc., and a certain understanding of JVM principles and tuning;- Familiar with Spring, springMVC, Struts, Ibatis, hibernate, SOA service framework, etc., understand its principle and implementation mechanism, read the source code, and imitate its core;- Familiar with scripts jQuery, Extjs, web container tomcat, weblogic;- Familiar with SQL and database-based design and development, master database tuning such as Mysql and Oracle;- Familiar with mogonDB, redis construction and use;- Familiar with common commands of Linux operating system;- Familiar with SVN, GIT, Maven, ANT and other build tools- Understand Hadoop, zookeeper and other open source distributed systems, and MapReduce programming.- Familiar with various data structures and algorithm models- Be good at learning and communicating with others, be upright and honest, have a strong sense of professionalism, and have the ability to analyze and solve application problems;- Experience in designing and developing large-scale e-commerce websites and core banking systems