John Zhang
Mentor
(4 reviews)
US$30.00
For every 15 mins
11
Sessions/Jobs
ABOUT ME
Senior Fullstack Developer
Senior Fullstack Developer
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.
Chinese, English
Eastern Time (US & Canada) (-04:00)
Joined June 2015
EXPERTISE
4 years experience
I have made several native Apps using Xcode in the past few years. I am familiar with Object C and Swift, auto layout.
I have made several native Apps using Xcode in the past few years. I am familiar with Object C and Swift, auto layout.
4 years experience
I have made several native Android Apps in the past few years.
I have made several native Android Apps in the past few years.
1 year experience
I am strong in React Native. I have made several native Apps for iOS and Android with React native. React native is very cool and easy to...
I am strong in React Native. I have made several native Apps for iOS and Android with React native. React native is very cool and easy to use.
10 years experience
I am very strong in Java. I have used Java since 1998. I worked at IBM and BEA doing many Java related work.
I am very strong in Java. I have used Java since 1998. I worked at IBM and BEA doing many Java related work.
10 years experience
I am strong in both back end and front end.
I am strong in both back end and front end.
REVIEWS FROM CLIENTS
(4 reviews)
Removed User
February 2016
Very patient and knowledgable
Charles Palanzo
February 2016
John found my answer inside of 15 minutes! Thanks.
Luke M
February 2016
John is an awesome mentor, he took the time to figure out the problem then explained the concept very clearly.
Jesse Xia
February 2016
John is a very nice guy to work with. I highly recommend him!
SOCIAL PRESENCE
EMPLOYMENTS
Senior Full Stack Developer
Freelancer
2011-05-01-Present
Freelancer
Freelancer
Python
Java
Node.js
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Python
Java
Node.js
React
React Native
GraphQL
Flutter
Vue.js
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Senior Software Engineer
IBM
2006-03-01-2011-05-01
Developed code following common security practices and development design patterns
Participated in the planning and execution of 10+ busi...
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.
Java
Spring MVC
WebSphere
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Java
Spring MVC
WebSphere
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