Profile image of WangCheng17
@WangCheng17
Flag of China Shenyang, China
Member since September, 2013
23 Recommendations

MobileBusiness

Want to see your idea brought to life? Whether you have a stick figure on a napkin or an entire workflow diagram laid out, i can make your dream come true! "Perfect Quality, Beautiful Design, Customer Satisfaction" is my motto. I am a excellent developers who has high skills in developing iPhone, iPad and Android apps. I have developed many iPhone/Android apps over the last 5 years. I have rich experiences in REST API, SOAP API, JSON/XML, PHP & MySQL Web Service API, GPS and Geolocation API, Facebook API, Twitter API, Foursquare API, MapKit, GPS, Payment Gateway APIs, eCommerce platforms. My greatest advantage is that i hold the promise dearer than my life. I won't let you down Thanks for your time. Best Regards.

$47 USD/hr
71 Reviews
7.8
  • 88%Jobs Completed
  • 96%On Budget
  • 100%On Time
  • 38%Repeat Hire Rate

Recent Reviews

  • image of hs6 Write an Android application $2105.00 USD

    “Great quality of work as always :)”

    hs6 Flag of Canada 3 days ago.
    • Java
    • Mobile Phone
    • iPhone
    • Android
    • iPad
  • image of LowekeyMedia Remove white space from emoji app - open to bidding $1900.00 USD

    “Very good developer, I enjoyed working and discussing the project. Will hire again.”

    LowekeyMedia Flag of United States 2 weeks ago.
    • Mobile Phone
    • iPhone
    • Android
    • Objective C
    • iPad
  • image of rycarm7 Custom Emoji Keyboard for iMessage Needed. $3368.00 USD

    “We have been trying to find the right programmer we can trust for all of our projects, and Yang is the perfect choice! Will hire again. Thank you Yang!”

    rycarm7 Flag of United States 2 weeks ago.
    • Mobile Phone
    • iPhone
  • image of ahmedalhaj iPad and android and iPhone application [Sealed]

    “She's the best”

    ahmedalhaj Flag of Saudi Arabia 3 weeks ago.
    • Mobile Phone
    • iPhone
    • Android
    • iPad
  • image of haroshdy App Creation $1500.00 AUD

    “Excellent developer! Will use again. Very highly recommended!”

    haroshdy Flag of Australia 1 month ago.
    • Java
    • Mobile Phone
    • iPhone
    • Android
    • Objective C
    • Hire me
  • image of sheriefkamel mobile and desktop business app $4000.00 USD

    “He did excellent job for me and completed my project perfectly”

    sheriefkamel Flag of United States 1 month ago.
    • Windows Desktop
    • Mobile Phone
    • iPhone
    • Android

Experience

Mobile, web Developer

Dec 2008 - Oct 2012 (3 years)

The most powerful mobile developers team in China. 20 employees with various skills such as iPhone/Android/BB/WM. Of course back-end too~~

Mobile, web Developer

Jan 2008 - Oct 2012 (4 years)

The most powerful mobile developers team in China. 20 employees with various skills such as iPhone/Android/BB/WM. Of course back-end too~~

Education

Batchler

2004 - 2008 (4 years)

Badges

  • Employer of Choice

    Attract over 100 bids for your project.
  • The Enforcer

    Reporting a project or contest that violates our terms of service.
  • The Multi-tasker

    Complete 40 projects.
  • The Achiever

    Accept 50 projects.
  • Quick Pick

    Award your project within 24 hours of posting
  • The Prospector

    Post your first project.
  • Simply the Best

    Complete 5 or more projects, with a 95% completion rate.
  • The Giver

    Award your project to a Freelancer.
  • The Cap-tain!

    Reach the level 20 level cap!
  • Millenium Proposal

    Bid on 1000 projects.
  • The Collector

    Reach a balance of 5,000 credits.
  • Warren Buffet

    Complete a project worth over $1000 USD.
  • The Biller

    Create an hourly invoice.
  • Mover and Shaker

    Create 50 Milestones.
  • Smooth Operator

    Complete 10 projects on time.
  • High Roller

    Complete a project worth over $500USD (or equivalent) on Freelancer.com.
  • The Economist

    Complete 10 projects on budget.
  • The Spartan

    Bid on 300 projects.
  • The Critic

    Post 10 Reviews.
  • Feedback Guru

    Receive 10 reviews
  • US English Qualified

    Pass the US English Exam (Level 1)
  • US English Qualified

    Pass the US English Exam (Level 1)
  • Smart Money

    Create 10 Milestones.
  • All Star

    Receive a 5-star rating for a project.
  • The Adventurer

    Complete your first project.
  • The Speculator

    Sponsor 1 bid.
  • Fast Responder

    Bid within 2 minutes of a project being listed.
  • The Seeker

    Bid on 20 projects.
  • The Regular

    Log in every day for 1 week.
  • Nine-to-Fiver

    Win a project and accept the offer.
  • The Perfectionist

    Edited a bid.
  • Millenium Proposal

    Bid on 1000 projects.
  • The Collector

    Reach a balance of 5,000 credits.
  • Warren Buffet

    Complete a project worth over $1000 USD.
  • Mover and Shaker

    Create 50 Milestones.
  • Employer of Choice

    Attract over 100 bids for your project.
  • The Multi-tasker

    Complete 40 projects.
  • The Achiever

    Accept 50 projects.
  • Simply the Best

    Complete 5 or more projects, with a 95% completion rate.
  • The Cap-tain!

    Reach the level 20 level cap!
  • Smooth Operator

    Complete 10 projects on time.
  • High Roller

    Complete a project worth over $500USD (or equivalent) on Freelancer.com.
  • The Economist

    Complete 10 projects on budget.
  • The Spartan

    Bid on 300 projects.
  • Smart Money

    Create 10 Milestones.
  • All Star

    Receive a 5-star rating for a project.
  • The Enforcer

    Reporting a project or contest that violates our terms of service.
  • Quick Pick

    Award your project within 24 hours of posting
  • The Prospector

    Post your first project.
  • The Giver

    Award your project to a Freelancer.
  • The Biller

    Create an hourly invoice.
  • The Critic

    Post 10 Reviews.
  • Feedback Guru

    Receive 10 reviews
  • US English Qualified

    Pass the US English Exam (Level 1)
  • US English Qualified

    Pass the US English Exam (Level 1)
  • The Adventurer

    Complete your first project.
  • The Speculator

    Sponsor 1 bid.
  • Fast Responder

    Bid within 2 minutes of a project being listed.
  • The Seeker

    Bid on 20 projects.
  • The Regular

    Log in every day for 1 week.
  • Nine-to-Fiver

    Win a project and accept the offer.
  • The Perfectionist

    Edited a bid.

Exams

  • Freelancer Orientation
    80%
  • Android 1
    75%
  • US English Level 1
    90%
  • Numeracy 1
    90%
  • jQuery 1
    75%

My Top Skills

  • Mobile Phone 67
  • iPhone 45
  • Android 44
  • iPad 25
  • Objective C 19
  • Java 11
  • PHP 3
  • Data Entry 2
  • Mac OS 2
  • Website Design 1
  • Excel 1
  • Cocoa 1
  • HTML 1
  • Apple Motion 1
  • Perl 0
  • ASP 0
  • Javascript 0
  • Graphic Design 0
  • Linux 0
  • AJAX 0
  • SQL 0
  • 3D Rendering 0
  • C# Programming 0
  • JavaFX 0
  • Google App Engine 0
  • Blackberry 0
  • Social Engine 0
  • Apache 0
  • BPO 0
  • VoIP 0
  • Google Analytics 0
  • MySQL 0
  • C++ Programming 0
  • 3D Modelling 0
  • 3D Animation 0
  • Appcelerator Titanium 0
  • Unity 3D 0
  • OCR 0
  • Website Management 0
  • Windows Phone 0
  • OpenGL 0
  • OpenCL 0
  • Visual Basic for Apps 0
  • Windows 8 0
  • XMPP 0
  • Game Development 0
  • Database Programming 0
  • Database Development 0
  • Mobile App Testing 0

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