Personal details

John Z.

Based in: 🇺🇸 United States

Timezone: Eastern Time (US & Canada) (UTC-4)

Summary

I have 20+ years programming experience. I worked at IBM for many years. I am strong in Java, Node.js, iPhone/Android programming, (Native / React Native / Flutter), Linux and many others.

Technical skills

Top 3 skills

Node.js・10 yrs Java・10 yrs Vue.js・3 yrs

Other skills

iOS・4 yrs Android・4 yrs React Native・1 yr Git・6 yrs JavaScript・10 yrs Flutter・3 yrs

Work Experience

Senior Full Stack Developer

Freelancer | May 2011 - Present

Python

Java

Node.js

React

React Native

GraphQL

Flutter

Vue.js

Freelancer

Senior Software Engineer

IBM | Mar 2006 - May 2011

Java

Spring MVC

WebSphere

Developed code following common security practices and development design patterns Participated in the planning and execution of 10+ business continuity/disaster recovery exercises Implemented 25+ system and application designs Participated in troubleshooting and performance tuning.

Education

Beijing Information Technology University

Bachelor's degree・Computer Science

Sep 1994 - Jun 1998