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Flag of China Shenzhen, China
Member since July, 2012
3 Recommendations

Duzy Chan 

Started working at embedded Linux C/C++ software development since 2005, and Android development since 2009, over 10 years of Linux working experiences. I'm exceptional excellent at C/C++/Go, and Android Java, having rich development experiences in system components, frameworks/libraries, apps,games. I'm using Linux and Emacs mostly, and having wide range of skills, e.g. HTTP/CGI in Golang, 2D graphics in skia/cairo, Qt, Gstreamer for videos, Gaming with Cocos2d-x, Box2D, Bullet, Linux system administrator, open source project porting, lexical parsing (like parsing a language). I'm looking forward to build long term relationship with the best clients, and I'm doing my best to provide the best quality work to help my clients to accomplish the destination. Please feel to drop me a message if you have any request.
$50 USD/hr
37 Reviews
  • 85%Jobs Completed
  • 99%On Budget
  • 94%On Time
  • 21%Repeat Hire Rate

Recent Reviews


Android, frameworks/driver

Jul 2011 - Mar 2012 (8 months)

*) Make modification to the Android source code(based on Telechip's source tree) to make the Android based product support the company's HID remote control devices *) Design Java interfaces to allow Android app developers to write apps for accessing the remote control devices *) Make similar support for Ubuntu desktop Linux(this is not the major task) *) Related Skills: Android/C++/Java/kernel config/Android Build System/Bash/Ubuntu

Android, Java/C++/JavaScript/MIPS Assembly

Nov 2009 - Dec 2011 (2 years)

*) Using Ubuntu desktop Linux for workspace *) Hacked the Android build system, managed to do Android app development *) Hacked the Android frameworks source(JNI glue, and C++ native code) *) Hacked the Android native phone Launcher, redesigned and implemented the Launcher for TV(totally rewrote of the original phone launcher, integrated with TV functions) *) Designed and implemented TV specific Android app store client. *) Hacked WebKit and Android WebView, pre-research a WebKit based app platform(for

Embedded Linux C++ (Qt)

Jun 2008 - Mar 2009 (9 months)

*) Based on Qt4 designed and implemented the main software for the company's digital photo frame *) Designed the plugin mechanism for dynamically pluggable photo representation effects.

Embedded Linux C++ (Qt)

Apr 2006 - Dec 2007 (1 year)

*) Debian desktop Linux as workspace *) Modify and customize Qt Widget library *) Optimize/Refine QPixmap by using Linux Posix IPC API(shared memory) *) Qt based file browser for smart phone *) GCC/GDB/Emacs/Bash/Perl/Qt/Gnome Terminal Note: the company went bankruptcy.

Embedded Linux C++

May 2005 - Mar 2006 (10 months)

*) Red Hat Linux as workspace *) Do apps based on FLTK. *) Modify FLTK(based on Nano-X(microwindow)) on it's widgets. *) GCC/GDB/Emacs/Bash/Gnome Terminal



2003 - 2006 (3 years)


Qualification Certificate of Computer and Software Technology Proficiency (2005)

South China Institute of Software Engineering, GZU

It's a national certificate.