Jack S.

Jack S.

Top Mobile Developer | Development Addict

Beijing, China

$33.33/hr

(5.00)

What's the difference?
Jack S.
Overview

Always welcome a new challenge, so feel free to send something my way. No matter the project, I can surely handle it.

- 10+ years software development experience
- Track record of designing and executing successful app development
- Experience communicating with both internal and external developers and client
- Action oriented with a proven ability to work in rapidly-changing environment
- Excellent interpersonal skills; the ability to work effectively with all levels of a firm
- Extensive…

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Jack S. has added 11 portfolio pieces. Create an account to review them.

Work History & Feedback

App Developer

“Jack is a fantastic contractor. I will work with him again. He is honest and easy to communicate with.”
5.00
106 hrs @ $33.33/hr
Earned $3,533

App Developer

“Jack is a pleasure to deal with, fast to respond, honest and always available.I would gladly use him again for upcoming projects.”
5.00
Fixed Price $833

Android USB Conection App

“Jack quickly develop an application for me that performed directly as needed. The application was complex and his understanding of android is excellent. His communication was great and I will definitely use him in the future.”
5.00
10 hrs @ $33.33/hr
Earned $333

Reverse Engineering Android Application

“it was nice working with you.”
5.00
2 hrs @ $33.33/hr
Earned $72

Mobile Developer

“Good developer for my project, did all the work properly, will definitely use again for mobile project.”
5.00
120 hrs @ $33.33/hr
Earned $3,994
Tests Taken
Name Percentile Score

Cocoa programming for Mac OS X 10.5 Test

34

Facebook Connect Test

98

Google Android Programming Test

95

JSON Test

71

Java Test

99

Objective C Test

79

Programming with C++ Test

94

U.S. English Basic Skills Test

99

iPhone Programming OS 4.0 Test

72