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Mobile Shopping App
Selling Workout/Nutrition Programme & Tracking App
WebSite and Mobile Application for Fitness.
Secret video chat
Online Ordering System for Restaurants
City-Guide (Geo-Location App)
Taxi Booking App
Local House Lending Site.
Saloon Booking App
Project for Jin Y. -- 6
“Jin has been a great help to me in all of my projects. I have no need to look for any other developers thanks to his help.”Justin T. sidste uge
“The work with Jin was excellent, good communication, work delivered as expected. Will definitely hire him again for future projects”Johannes T. 2 måneder siden
Project for Jin Y.
“Definitely one of the best developers I've had the opportunity to work with. From the beginning to the end of the project he has been 100%. He knows the technology well, knows how to write cost fast and effective, and is great at communicating. He is an experienced, diligent and hard working programmer. He responds quickly to all requests and at all times conducts himself as a true professional. On a personal level there are few individuals that I have met in my life time that are as honest and trustworthy as Jin YouSheng. I highly recommend him to anyone who want to get the job done right, and I'll definitely hire him again!”dan24993 2 måneder siden
Project for Jin Y. -- 5
“I have very much enjoyed my working relationship with Jin. Time after time he has impressed me with his work and speed. I will not be looking for any other developer anytime soon.”Justin T. 3 måneder siden
Project for Jin Y.
“speaks good english and easy to communicate”Omaralawar 4 måneder siden
iOS & Android App - Development
“It was a pleasure working with Jin. He not just delivers on time and budget, he also gave us good advices through the development process. After we changed some functions for the app he directly implemented it. The communication also went perfectly, he was always reachable and friendly. His long experience in development makes him to my number #1 choice when I have more projects to be done. Highly recommend Jin Y. to all!”Maxxen 4 måneder siden
Senior Software EngineerSep 2010 - Jun 2014 (3 years)
SoftWare Development, Service & Consulting and Technical Support.
Bachelor of Computer Engineering2006 - 2010 (4 years)
Graduation certificate (2010)Liaoning University
Graduation certificate of the Liaoning University
Semantic validation of environmental observations data Environmental Modelling and Software.
In this paper, we focus on one such language, the Water Data Transfer Format (WDTF), and present an approach for validation of WDTF data contents. We show that by using Semantic Web technologies, we can express those constraints not captured by WDTF and check their consistency with respect to data through a query reduction technique that allows existing reasoners to be used for data validation.
iPhone Development 1100%
US English Level 1100%
PHP Level 195%
Preferred Freelancer Program SLA94%
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