Top Upwork Freelancers

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  1. Hans W.

    Hans W.

    Senior System Engineer

    United States - Last active: 5 months ago - Tests: 2

    Accomplished System Administrator with 16 years of experience in research and instructional computing support. Comprehensive experience with Linux, Windows and Solaris. Specialties * Enterprise System Administration * Storage Management * Network Engineering * Datacenter Operations

    $44.44 /hr
    679 hours
    5.00
  2. Wayne Fair

    Wayne Fair

    Seasoned ASP.NET Developer Available Immediately

    United States - Last active: 05/30/2014 - Tests: 1

    Programming for nearly 20 years - I've seen many projects through to completion. Customer satisfaction is critical to me. I am easy to work with - and very knowledgeable in my field. My passion is data-driven web development using ASP.NET: web forms and the MVC 4 framework.

    $20.00 /hr
    328 hours
    5.00
  3. Sergey C.

    Sergey C.

    Microsoft Certified C#/.NET Senior Developer

    Moldova - Last active: 12/12/2011 - Tests: 4

    I am a senior .NET developer and a certified Scrum Master, with more than 7 years experience of developing complex desktop, web and business intelligence database applications. My objective is to work on complex and challenging projects, which requires strong skills and knowledge.

    $16.67 /hr
    703 hours
    4.88
  4. Walker Leite

    Walker Leite

    Linux System Administrator

    Brazil - Last active: 08/21/2014 - Tests: 2

    Student of Computer Science, working with GNU/Linux since 2007. Expert in Debian/CentOS-Redhat web/database server installation and administration. Knowledge in PHP, HTML, CSS, javascript, Bash scripts, Perl, Mysql. Today, manages Cloud Amazon AWS EC2, RDS, Loadbalancer and Autoscaling services for Praiseweb (hosting provider), and their clients.

    $15.00 /hr
    13 hours
    4.80
  5. Mariano Schmidt

    Mariano Schmidt

    Software Developer - Student

    Argentina - Last active: 6 months ago - Tests: 1

    I am pursuing a bachelor degree in Computer Science, I expect to finish it in 2016 During my bachelor degree, I developed many projects on C and Python (using Django).

    $11.11 /hr
    41 hours
    5.00
  6. Sergey M.

    Sergey M.

    Developer

    Russia - Last active: 5 months ago - Tests: 1

    I like complex algorithms and data structures programming. Such as Rebalancing after deletion in B-tree, Monte Carlo simulation and over. The way where I want to work in near future is Methods of Optimization.

    $14.44 /hr
    1,045 hours
    5.00
  7. Eugene Viljoen

    Eugene Viljoen

    Developer

    South Africa - Last active: 6 months ago - Tests: 7

    I have been programming since 1980 with Fortran , Pascal, Delphi and C experience. I have excellent experience in MS-SQL Server as well as exposure to Oracle, Sybase, Informix and Firebird. I am seeking opportunities for Windows and Mobile development, database administration and Business Intelligence.

    Groups: AspDotNetStorefront

    $15.00 /hr
    627 hours
    4.77
  8. Diego Alejandro Viana Colorado

    Diego Alejandro Viana Colorado

    Web developer

    Colombia - Last active: 04/21/2013

    I am currently studying sistematizacion of data in Politecnico Colombiano Jaime Isaza Cadavid. I enjoy programming and I'm always so excited to learn and contribute my knowledge. I am resourceful, energetic and able to work in teams. I like to propose new ideas and try to improve processes.

    $8.89 /hr
    33 hours
    5.00