ChengNan Li
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ChengNan Li

Expert - C, C++(.NET), Assembly, VB, C#, system driver, iOS App


Fuxin, China


I am VB/C/C++/Objective C expert. I have over 8 years of experience in software-developing with C,C++, VC++.NET, Assembly, system driver-developing, VB, C# and mastered reverse-engineering, hooking, cracking, rootkit, ATL/COM, software automation. Have a strong cracking, hooking, system driver developing, reverse-engineering skills. Frequently used tool : MFC and Win32 SDK, DDK/WDK. I have over last 3 years of experience in developing many games and apps for iPhone/iPad. Now I am working on Cocos2d, Box2D, Unity3D and such framesworks for iPhone/iPod games. And my experienced skills are Perl, C#, VB, VB/, Java, Oracle, MySQL, MS SQL, QT, Java, SQL, PL/SQL and T-SQL. Focused on super product quality and keeping ... moredeadline. Thanks Kind Regards less

ChengNan Li has added 13 portfolio pieces. Create an account to review them.

Work History and Feedback

  • Mar 2013 - Sep 2013

    Auto Windows Install Package
    1 hour
    $22.22 / hr
    $22.22 earned

  • Apr 2013

    Launch app(s) on new windows desktop.
    ChengNan delivered quickly and helped debug a problem that occurred on one of my machines. Would definitely hire again.
    $166.67 earned
    Fixed Price

  • Mar 2013 - Apr 2013

    TCP/IP Communication App to Remote Hardware Device

    No feedback given

    23 hours
    $24.44 / hr
    $574.34 earned

  • Mar 2013

    Beginning Java Program-Convert to Fractions
    7 hours
    $38.89 / hr
    $278.84 earned

  • Mar 2013

    hex edit for ocx file
    Thans for Good work
    19 hours
    $38.89 / hr
    $351.74 earned

  • Jun 2012 - Dec 2012

    Tool to block all hardware installation on windows
    Great developer. Deep knowledge of complex asm and c++ programming. Highly communicative and impressive responsiviness. Recommend with no restrictions. Surely will continue to work with him on next phase of project.
    318 hours
    $22.22 / hr
    $5,536.33 earned

  • View More (4)

ChengNan Li has more jobs to show. Create an account to review them.


Name Score (out of 5) Time to Complete
Cocoa programming for Mac OS X 10.5 Test 5.00 1st Place! 31 mins
Programming with C Test 4.75 Top 10% 9 mins
Programming with C++ Test 4.90 Top 10% 14 mins
C++ Programming Skills Test (Hands-on programming skills) 2.65 Above Average 107 mins
Java Test 4.40 Top 10% 26 mins
iPhone Programming OS 4.0 Test 4.90 Top 20% 4 mins
Objective C Test 4.75 Top 20% 33 mins
MySQL 5.0 Test 4.25 Top 10% 22 mins
U.S. English Basic Skills Test 4.90 Top 10% 26 mins
Windows XP Test 4.25 Top 10% 16 mins
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Work History

1,689 hours worked
33 jobs


More than 30 hrs/week


Phone Number: Verified

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