Top Upwork Freelancers

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  1. Miguel Homez

    Miguel Homez

    Computer Engineer

    Venezuela - Last active: 9 days ago - Tests: 3

    Productive and efficient System Administrator and IT Manager with experience in server administration, networking, and programming. Demonstrable work experience with Linux and MS Server administration, OSX, virtualization, VOIP, Firewalls, VPNs. Excellent verbal and written communication skills in English, Spanish and German.

    $17.00 /hr
    92 hours
    5.00
  2. Sergey Ukrainskiy

    Sergey Ukrainskiy

    'Expert C# Developer', 'MS SQL Server Developer'

    Russia - Last active: 15 days ago - Portfolio: 5

    * Experience in developing commercial applications in C # for more than 6 years (using .Net 2-4.5). Developing multithreaded socket servers, WCF servers and ASP .Net WebApi servers. * MS SQL Server database design, optimization and programming; 7 years experience. * ExtJS programmer, 1 year experience.

    $25.00 /hr
    25 hours
    5.00
  3. Remya R.

    Remya R.

    Statistician, Operations Research Analyst

    United States - Last active: 1 day ago

    I am an operations research professional with extensive experience in statistics, machine learning, mathematical modeling, mathematical finance and optimization. I have done a number of projects in different topics in applied Statistics and operations research which strengthened my understanding of real life application of this area.

    $22.00 /hr
    13 hours
    5.00
  4. Sergio C.

    Sergio C.

    Senior Software Architect / Developer

    Portugal - Last active: 10 days ago

    I am a Software Engineer with an +8 years of experience. My main areas of work have been both Web Application Development and Biometric Information Systems. My areas of interest are Object Oriented Programming Languages, Software Architectures and API Design.

    $30.00 /hr
    84 hours
    5.00
  5. Georg S.

    Georg S.

    Android / iOS / BlackBerry Developer

    Germany - Last active: 22 days ago - Tests: 9 - Portfolio: 16

    I work with Android, iOS and BlackBerry platforms. I know Android since its emergence (doing Java Development), iOS since version 3.0 (doing Objective-C Development) and BlackBerry since OS 4.2, now practising BlackBerry 10.

    Groups: Android

    $55.56 /hr
    3,896 hours
    4.75
  6. Matthew H.

    Matthew H.

    Programmer

    United States - Last active: 6 days ago - Tests: 3 - Portfolio: 1

    I am an 18 year old student who spends his off time coding, breaking, and playing games. I have extensive knowledge of Java, C#, and Python, and have taken Computer Science 1 and 2, Video Game Design, and Mobile App Design courses.

    $25.00 /hr
    48 hours
    4.81
  7. Evgeny D.

    Evgeny D.

    Network Engineer and Linux Administrator

    Australia - Last active: 10 days ago - Tests: 9

    I am a professional network engineer specialised on Cisco equipment, apart of that I know Linux systems and have experience managing servers for high-load projects. My areas of expertise are: - Networks: Maintenance and Design - Linux setup and support for: BIND, Apache/Nginx, Postfix, ftpd, MySQL, Nagios/Icinga/Munin and more.

    $16.67 /hr
    52 hours
    4.15
  8. Martin Gaitan

    Martin Gaitan

    Senior Python Programmer

    Argentina - Last active: 15 days ago - Tests: 4

    I'm a senior Python developer with experience both in web and scientific scopes. I have a degree in Computer Enginnering from Cordoba national University, Argentina. https://mgaitan.github.io/en/about.html

    $35.00 /hr
    92 hours
    5.00