Top Upwork Freelancers

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  1. Jamie B.

    Jamie B.

    Microsoft Technology Expert/CCNA

    United States - Tests: 3

    Talented IT professional with 14 years of experience in a wide variety of technologies. I started out in desktop support, worked my way up to global server support, including virtualization technologies, and have spent the last 3-4 years developing my Cisco networking skill set. I am currently a CCNA on track to get my CCNP. I am very proud of how diverse and broad my IT experience has become. I am well-versed in Azure, VMware, Hyper-V, all Windows Server OS including 2012, All Windows desktop OS including 8.1, site-to-site and remote VPNs (various vendors), Active Directory, SCCM, SCOM, and most of the popular versions of Linux. I am very skilled at designing, monitoring and supporting large server and network environments. I am looking for an opportunity to earn extra work doing the things that I love to do most in IT.

    $30.00 /hr
    299 hours
    4.97
  2. Dmitry B.

    Dmitry B.

    MS SQL, OLAP/DWH, VB, ASP, Project Management

    Switzerland - Tests: 2

    Microsoft Certified Professional, Brainbench Transcript ID#: 2566487 Fundamental knowledge of relational databases, object oriented analysis, design and programming.Strong knowledge of Business Obects, Microsoft Visual Basic, Microsoft SQL Server.Wide experience in COM, DCOM, ActiveX, OLE, WIN32 API.Experience in design and development of client-server, three-tier and multi-tier applications.Basic knowledge and experience in project management.More than 6 years of successful experience of applications development in the field of accounting systems, workflow systems, as well as integration of various technologies in the completed software product. Last years - OLAP, data warehousing, business intellegence.Self-motivated, hard- working, sociable, resourceful and able to quickly grasp new technologies. please find my latest CV at [http://dmitrybiryukov.awardspace.com][1] [1]: http://dmitrybiryukov.awardspace.com

    $39.94 /hr
    183 hours
    4.20
  3. Sergey B.

    Sergey B.

    Unix administrator, Web-based solutions, VoIP, Hosting, CMS expert

    Ukraine - Tests: 5

    From large IBM 360 mainframe monsters to modern ISP- and enterprise- oriented servers, more than 16 years, I'm working in the industry of an information technology. I have a large experience to install and configure server's hardware and software, another network equipement, to keep them in working conditions, to work in hosting-oriented team as administrator. At last years my focus of interest has extended to web-oriented applications, such as CMSs, corporate project managing software, and website developement projects with corresponding and supplementary software. Also my competency lies in server-side network services, including web-servers (not only Apache), SQL, DNS, Xen, OpenVZ, VoIP PBX, etc..etc

    $17.78 /hr
    286 hours
    5.00
  4. Jarosław Gilewski

    Jarosław Gilewski

    Senior Software Developer

    Poland - Tests: 2

    I have almost 10 years experience in Java/JEE/Javascript. Directed mostly on web applications and services development using the following technologies and frameworks: Hibernate, Spring, Jquery, Seam, JSF, CDI (Weld), JEE, EJB 3, REST, JPA, Richfaces, Primefaces, HTML, CSS, JavaScript, Arquillian, JBoss/WildFly, Tomcat, MySQL, PostgreSQL, Oracle. Very good experience on developing pure JavaScript applications (SPA) using Node, MongoDB, Backbone, Marionette and testing them with Jasmine, Mocha, Sinon, PhantomJS and Selenium. I'm always focused on building a successful software solutions for my employer. Strong relationship builder, resilient and motivated by success.

    $35.56 /hr
    92 hours
    5.00
  5. Zinovii D.

    Zinovii D.

    Experienced Flex/AS3/Java developer

    Ukraine - Tests: 3

    My objectives is to find interesting intermidiate-to-long term project. To be a member of growing team or to be independent senior developer. My technical skills includes: • Languages: Java, ActionScript (Flex), Python, Perl, PHP, C#, C, C++, Object Pascal (Delphi), JavaScript • Web Experience: Java, JSP, ActionScript (Flex), Python, PHP, CGI scripts, mod_perl, XSL, XHTML, ASP, CSS, JavaScript • Operations Systems: Linux (Ubuntu/Debian, RedHat/Fedora, Mandrake), Windows (9x, 2K, 2K3, NT, XP, Vista), Unix (IRIX) • Databases: MySQL, PostgreSQL, MS SQL Server 2000, IBM DB2, Paradox, PL/SQL • Other Tools/Frameworks/Libraries: Wicket, Lucene, Axis2, Hibernate, Xapian, BlazeDS, PureMVC, Cairghorm, STL, OpenGL, COM, ActiveX, MPI, ADO.NET, WSDL and REST WebServices, GWT

    $20.00 /hr
    395 hours
    5.00
  6. Filip Popovic

    Filip Popovic

    Vaadin/JavaEE/Spring

    Serbia - Tests: 3 - Portfolio: 1

    For the past 5 years, I have developed a wide range of Java enterprise businesses solutions. I am competent in complete end to end development process, and I am seeking opportunities to build enterprise solutions from the ground up. I'm currently focused on developing Vaadin applications with Spring and Hibernate. I also have experience in the following areas: OOP, OOD, BPM, SQL, NoSql, C/C++,Python, HTML,CSS,JavaScript, Testing etc.

    $33.33 /hr
    382 hours
    5.00
  7. Elvir S.

    Elvir S.

    PHP/MySQL/NET Developer, Web Programming And Consulting

    Bosnia and Herzegovina - Tests: 5 - Portfolio: 3

    Over the last 25 years, I have developed a wide range of software using C, C++, Visual Basic on Windows and Unix platforms, targeting financial, engineering and scientific area. Today, I am focused on web applications using HTML, JavaScript, PHP, and MySQL including sites for small businesses, modification of running systems (CRM, CMS), maintenance of existing installations and fixing various issues like code bugs and server configuration.. My core competency lies in complete end-end management project task and ability to work in other area, if necessary. On other side, I am focused on Microsft NET technology, where I develop desktop and web applications based on ASP.NET, targeted to local companies and covering accounting, finance, human resources and other.

    $17.00 /hr
    26 hours
    4.95
  8. Serhiy T.

    Serhiy T.

    Linux, FreeBSD, Windows, Network, Apache, MySQL System Administrator

    Ukraine - Tests: 12 - Portfolio: 1

    - Operating systems: FreeBSD, openSUSE, Red Hat, CentOS, Debian, Ubuntu, Gentoo, Windows: 2000/2003/XP/Vista/7, Mac OS X: 10.4-10.6 - Programming languages (basic level): Bash, PHP, Perl, SQL, C, Objective C, html - Network protocols: TCP, UDP - Network services: DNS, FTP, HTTP, HTTPS - Web Servers: Apache, Nginx, Tomcat - MTA: Postfix, Qmail, Exim - FTP Servers: Pure-ftpd, Proftpd, vsftp - Firewalls: ipfw, ipchains, iptables - Network tools: route, iproute2, natd, tcpdump, netcat, trafshow - Databases: MySQL, MSSQL, Redis - Network file systems: GlusterFS - Virtualization: OpenVZ, Xen, VMware, Virtual PC - Version Control Systems: Subversion - Control panels: cPanel, WHM, Plesk - Monitoring systems: Nagios, Zabbix, Monit, Munin, Cacti - Cloud services: Amazon EC2 - Bug tracking systems: Mantis, Redmine, Trac, Jira - VPN: Mpd, OpenVPN, PPTP - Other software: Squid, Samba, Bind, Radius, Varnish, HAproxy, Wowza Media Server

    $33.33 /hr
    44 hours
    5.00
  9. Alex M.

    Alex M.

    ASP.NET/C#/MVC/AJAX Certified Developer, Team Lead

    Russia - Tests: 6

    + Strong Design and Development skills + .NET 1-4, C#, WinForms, ASP.NET, MVC 2-3, XML, XSLT, Web Services, ADO.NET, Remoting, Multi-threading + Active Server Pages (ASP) 2.0, Perl, PHP, DHTML, JavaScript, AJAX, Cascading Style Sheets (CSS) + Microsoft Internet Information Server (IIS), Apache+ Microsoft SQL Server, Postgre SQL, MySQL CERTIFICATIONS MCP - Developing and Implementing Web Applications with Microsoft Visual C# .NET MCP - Developing and Implementing Windows-based Applications with Microsoft Visual C# .NET

    Groups: Microsoft Certified Professionals

    $55.56 /hr
    3,799 hours
    5.00
  10. Muhammad Emam

    Muhammad Emam

    Software Engineer

    Netherlands - Tests: 6 - Portfolio: 3

    Who I am: Software Engineer with extensive experience in Python programming, Cloud Computing, NoSQL datastores and large-volume data analytics. What I do: - Designing and implementing highly scalable, highly available software. - Analyzing business data-models and building appropriate analytics platforms. - Maintaining and developing existing systems to help businesses achieve lower Time To Market.

    $44.44 /hr
    268 hours
    5.00