1. With a 10 -year experience in systems and program development, general system architecture, perfection environment and system familiar with fault handling, capable of developing various applications effectively. 2. There are many project development experiences, skilled in Java language, other languages ​​such as C #, Python, etc., and can complete system development and desktop applications independently. Common front-end framework (HTML5, JQuery, Vue.JS, Antdesignvue, etc.), Back-And Java, Python, PHP, JSP, etc., commonly used system design framework such as MVC, SSH, SSM, SPRINGBOT, etc. Security reinforcement, and database operations and maintenance. I wear a certificate: Oracle certified colleague of Oracle certified professional Ant Certified Data Management Professional ， CDMP。 can effectively deal with various problems in database development 4. Proficient in using and operating Tomkat, NGINX, IIS, Webbalog, etc. Regulatory requirements in system development. There are rich reaction plans for system attacks and infiltration.