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

“Excellent contractor! Strongly recommend. Fast, responsible. Amazing English. Will hire again!”
5.00
31 hrs @ $33.33/hr
Earned $1,028

iOS app dev work and submission

“Quick work, very available and responsive.”
5.00
35 hrs @ $30.00/hr
Earned $1,065

mobile app Developer needed

“Overall excellent work and great finished product. I would hire the developer again.”
5.00
94 hrs @ $33.33/hr
Earned $3,916

App Developer Needed iphone and android

“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
26 hrs @ $38.89/hr
Earned $1,011

Sr. iOS Developer

“Wonny is a very hard worker and very competent. I would definitely use Jin again for any iOS project.”
5.00
152 hrs @ $33.33/hr
Earned $5,061

Adam Project

“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
90 hrs @ $27.78/hr
Earned $2,500
Tests Taken
Name Percentile Score

Android 4.2 Skills Test

99

Cocoa programming for Mac OS X 10.5 Test

62

English Spelling Test (U.S. Version)

86

Google Android Programming Test

96

JavaScript 1.8 Test

91

Knowledge of WordPress 3.1 Skills Test

99

Objective C Test

87

PHP5 Test

100

UK English Basic Skills Test

97

XML 1.0 Test

77

iOS 6 Programming Skills Test

88

iPhone Programming OS 4.0 Test

79