Profile image of angel0701
Flag of China Yanji, China
Member since December 18, 2014
3 Recommendations


Online Offline
An Agile and Motivated developer who won't quit work until it's done and client is satisfied. I have more than7 years of experience working with iOS & Android platforms and am very fluent in their native languages such as Objective-C, Swift, Java. Also I have about 3 year of experience working with Apple WatchKit. I always use the newest technologies and solutions for the development of high quality applications. My core skills and experiences in mobile applications and web development are: - General iOS7/iOS8/iOS9/iOS10 Android 2.3 or higher Objective-C, Swift, Java iPhone SDK, Cocoa, Cocoa Touch Frameworks - Dev Tool Xcode, Android Studio, Eclipse IDE - Map Kit and GPS Using of Google Map and Apple Map User navigation and Tracking based on GPS data - Web service integrating JSON, SOAP, XML and REST APIs CodeIgniter, CakePHP - Social networking integration Facebook, Twitter, Instagram, YouTube, Flickr - Source Management SVN, GitHub
$45 USD/hr
24 reviews
  • 96%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 29%Repeat Hire Rate


Recent Reviews

  • image of SPH1 Project for Enlong T. $2250.00 USD

    “Excellent programmer - very easy to work together.”

  • image of SPH1 Project for angel0701 -- 7 $2160.00 USD

    “Excellent technical skills! Job completed on time and to budget. I can ask for more.”

  • image of SPH1 Project for angel0701 -- 5 $3000.00 USD

    “Yes. Always a job well done with little or no supervision. An excellent engineer with extensive experience. We recommend without reservation.”

  • image of SPH1 Project for angel0701 -- 4 $2361.50 USD

    “We work with Zhen regularly and are always satisfied with the results! 5 stars!”

  • image of SPH1 Project for angel0701 -- 3 $180.00 USD

    “thank you!”

  • image of SPH1 Project for angel0701 $2075.00 USD

    “We have used this freelancer many times always with excellent results. I recommend him very highly.”



Jul 2014 - Sep 2014 (2 months)

This app International School's official iPhone app containing a set of useful educational and communications tools for students and parents. Here this my role is: - Implement Background service - Small bug fixes. -Revise graphics.


Bachelor of Science

2006 - 2011 (5 years)


System Analyst (2012)

QiHoo 360 Technology Co.Ltd

Certificated Analyst in Red Hat, eBay system , QiHoo 360 Technology Co.Ltd.


Object - oriented progamming

Object - oriented programming is a programming language model organized around Objects rather than "actions" and data rather than logic. Historically, a program has been viewed as a logical procedure that takes input data, processes it, and produces output data.


  • Preferred Freelancer Program SLA
  • US English Level 1
  • Android 1


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