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Mariusz M.

Software Architect


Barcelona, Spain


I'm a passionate software developer that specializes in C and C++ development. Given my knowledge about efficient use of data structures, algorithms and various programming idioms and techniques, I'm capable of designing and implementing efficient, yet maintainable software from the ground up. As a programmer, my goal is to participate in development of interesting projects where I can provide significant help thanks to my technical knowledge and experience.

Work History and Feedback

  • Mar 2011 - Aug 2011

    HTTP Tunneling for C++ application

    No feedback given

    12 hours
    $30.00 / hr
    $360.00 earned

  • Dec 2010

    cryptographic stream program
    this job was done really well, I will be hiring Mariusz Marciniak for another job. No wonder Mariusz Marciniak is ranked as one of the best developers on odesk
    7 hours
    $20.00 / hr
    $133.40 earned

  • Dec 2009 - Mar 2010

    Encrypt / Decrypt of files in directory
    Excellent programmer.
    20 hours
    $17.00 / hr
    $340.00 earned

  • Sep 2009

    Bug fixing and software maintenance
    Mariusz is a very talented C++ developer. he requires very little guidance and is a true expert. We had to postpone the project but we will hire him again when we are able to move forward again.
    8 hours
    $15.00 / hr
    $120.00 earned

  • May 2009 - Aug 2009

    Visual Studio C++ developer, Long term, FT work!
    465 hours
    $10.00 / hr
    $4,646.70 earned

Mariusz M. has more jobs to show. Create an account to review them.


Name Score (out of 5) Time to Complete
Data Structures Test 3.25 Top 20% 22 mins
Programming with C++ Test 3.75 Top 10% 29 mins
Upwork Readiness Test for Independent Contractors and Company Managers 4.80 Top 30% 30 mins

Work History

2,853 hours worked
19 jobs


More than 30 hrs/week

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