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- 100%Kerja Diselesai
- 99%Mengikut Bajet
- 98%Tepat Pada Masa
- 22%Kadar Ulang Upah
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
“The work with Jin was excellent, good communication, work delivered as expected. Will definitely hire him again for future projects”Johannes T. minggu lepas
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 4 minggu lepas
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. 1 bulan lepas
Project for Jin Y.
“speaks good english and easy to communicate”Omaralawar 2 bulan lepas
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 2 bulan lepas
Help me finish my App
“Jin is an excellent programmer, we highly recommend Jin for his expert knowhow in Xcode! He is innovative and impulsiv, that meaning he will an answer quickly and work fast! Our work in abchelp as/corp. is to digitalise medical emergency care for very sick people, thank you Jin for saving lives with us! <3”ABChelp 2 bulan lepas
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%
- Facebook Disambung
- Freelancer Keutamaan
- Bayaran Disahkan
- Telefon Disahkan
- Identiti Disahkan
- E-mel Disahkan