Profilbild von sunnysmile911
Flagge von China Shenyang, China
Mitglied seit 5. September 2014
15 Empfehlungen


online offline
Top Level Developer with highest quality and fast communication on Mobile(iPhone, Android, Balckberry and Windows phone) Web and PC Application Area. I am professional software engineer with over 8 years rich experience in various fields of software development, especially all Mobile project, Image and Video Processing engines, Online Game engines, Desktop Projects and Websites for big commercial companies since 2005. I studied software at Beijing University of Technology for 4 years. I graduated from university in 2007 and I got Software Engineer Diploma. When I studied at university I made several Desktop applications and after graduated university, since 2007, I‘ve been creating high quality and excellent mobile applications and Web sites for the last 6 years. While making mobile applications and web sites for over 6 years I have got various high mobile development techniques, rich experience and in depth understanding of mobile field. For the last 6 years I’ve created large of apps for big companies an individual customers in mainly US, UK, Canada, Australia, Denmark, China and Japan. And no matter anywhere you are in the world, and no problem for communication because my English is native and I am always using phone, Skype and Email for communications with all my employers. My skills and experiences are following: -Social networking, SDK -Cocos2D -Photo processing, filtering and effect, Custom Camera using AVFoundation and OpenGL. -Video/Audio Streaming and Processing, Pattern recognition. -OpenGL ES, OpenCV, Animation, Core image, Core Graphics, Core Data, GPUImageFramework -Web services, HTTP, JSON, XML, RSS, SOAP, PHP, HTML, HTML5, Joomla, Wordpress, Codeigniter -GPS & Google Map -SQLite and MySQL database -FaceBook, Twitter, Youtube, Tumbir, Fickr, Instagram, Google plus -Push and local notification, Calenda, Alarm -iAd, Adwirl, Admob, Chartboost, TapJoy, Cerebro, RevMob -Flurry, Testflight, Girhub, SVN Also I promise following things with client : - Highest Quality. - Fast Development speed and keep deadline. - Best Communication everyday.
$40 USD/Std
83 Bewertungen
  • 99%Abgeschlossene Jobs
  • 90%Budgetgerecht
  • 90%Termingemäß
  • 19%Wiedereinstellungsrate


Neueste Bewertungen

  • Bild von svishaksh Fix bugs and updates for existing website $1125.00 USD

    “It was an excellent experience...he is super reliable, dependable and trustworthy. He is very skilled and professional. Definitely on the top of my list.”

  • Bild von chonderwild Project for Xingjun H. €800.00 EUR

    “Xingjun did really great work and handled a complicated task by iterating over different approaches until arriving at a solution we were both satisfied with. Clean & performant code.”

  • Bild von DerekPT Python project modification £132.00 GBP

    “Happy with the results, next time I need a Python guru, I'll give him a call :)”

  • Bild von shootingstar92 Project for Xingjun H. -- 2 $20.00 USD

    “Perfect as always, thank you.”

  • Bild von underlay Help with Apache Configuration - Application Needs Apache, gunicorn and django front-end setup $37.98 USD

    “Awesome person to work with and a top notch developer. Really knows his stuff. Excellent communication skills. [12 October, 2017] Awesome person to work with and a top notch developer. Really knows his stuff. Excellent communication skills.”

  • Bild von shootingstar92 Project for Xingjun H. $40.00 USD

    “Xingjun worked hard and fast to finish on time. Very good freelancer ! I look forward to hire him again”



Jan 2013 - Dec 2013 (11 months)

I made several mobile apps in this company


Software Engineer

2008 - 2012 (4 years)


  • US English Level 1
  • Preferred Freelancer Program SLA


  • Facebook-Verbindung
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  • Zahlung verifiziert
  • Telefon verifiziert
  • Identitätsüberprüfung
  • E-Mail bestätigt

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