Yongyong W.

Yongyong W.

Senior iOS, Android, Windows Phone, Web developer

shanghai, China

$35.00/hr

(4.93)

What's the difference
Yongyong W.
Overview

If you are looking for a highly skilled mobile app development expert with depth of knowledge, experience of lots of apps under the belt, professional attitude, excellent communication and the highest quality code, you are viewing the right profile.

At 12, I began learning program language.
After graduating a excellent Chinese university in shanghai, I worked in Chinese software development company for 5 years.

In the meanwhile, I developed iPhone, Android and Windows Mobile apps in a wide ran…

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Yongyong W. has added 40 portfolio pieces. Create an account to review them.

Work History & Feedback

iOS + PHP ---- Upgrade an existing social dating app

31 hrs @ $33.33/hr
Earned $1,028
“Excellent contractor! Strongly recommend. Fast, responsible. Amazing English. Will hire again!”

5.00

iOS app dev work and submission

35 hrs @ $30.00/hr
Earned $1,065
“Quick work, very available and responsive.”

5.00

mobile app Developer needed

94 hrs @ $33.33/hr
Earned $3,916
“Overall excellent work and great finished product. I would hire the developer again.”

5.00

App Developer Needed iphone and android

26 hrs @ $38.89/hr
Earned $1,011
“i am very happy to work with yongyong won.He did good job.I will definitely work with him in future. Highly recommended.Thanks”

5.00

Sr. iOS Developer

152 hrs @ $33.33/hr
Earned $5,061
“Wonny is a very hard worker and very competent. I would definitely use Jin again for any iOS project.”

5.00

Adam Project

90 hrs @ $27.78/hr
Earned $2,500
“Working with Wony has been a pleasure for me. He's professional, talented, and highly communicable. If you're looking for a one man team to tackle your project you may have just found him.”

5.00

Tests Taken
Name Percentile Score

Android 4.2 Skills Test

99

Cocoa programming for Mac OS X 10.5 Test

73

English Spelling Test (U.S. Version)

85

Google Android Programming Test

96

JavaScript 1.8 Test

91

Knowledge of WordPress 3.1 Skills Test

99

Objective C Test

88

PHP5 Test

100

UK English Basic Skills Test

97

XML 1.0 Test

81

iOS 6 Programming Skills Test

88

iPhone Programming OS 4.0 Test

88

oDesk Readiness Test for Independent Contractors and Staffing Managers

66