Ảnh đại diện của sunnysmile911
Cờ của China Shenyang, China
Làm thành viên từ Ngày 05 tháng 09 năm 2014
15 Đề xuất


Trực tuyến Ngoại tuyến
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/giờ
81 đánh giá
  • 99%Các công việc hoàn thành
  • 90%Đúng ngân sách
  • 90%Đúng giờ
  • 19%Tỉ lệ thuê lại


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    “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.”

  • hình của 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”

Kinh nghiệm


Jan 2013 - Dec 2013 (11 months)

I made several mobile apps in this company

Giáo dục

Software Engineer

2008 - 2012 (4 years)

Chứng Nhận

  • US English Level 1
  • Preferred Freelancer Program SLA

Các Chứng Nhận

  • Đã kết nối với Facebook
  • Freelancer Ưa Thích
  • Đã Xác Thực Thanh Toán
  • Đã Xác Thực Điện Thoại
  • Đã Xác Thực Danh Tính
  • Đã Xác Thực Email

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