Top Upwork Freelancers

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  1. Ivan javier R.

    Ivan javier R. Agency Contractor

    Java developer, Web programming, Desktop Applications.

    Colombia - Tests: 1

    Over the 5 last years, I have developed applications in java and in the last 4 years web applications using gwt. I also have experience using the following tecnologies: hibernate, ibatis, jasper report, apache poi, c++, sql.

    Associated with: BGX

    $18.00 /hr
    10,657 hours
    5.00
  2. GABRIEL MEDRANO

    GABRIEL MEDRANO

    VMware Systems Engineer

    United States

    • Design and administration of VMware vSphere 4 & 5 Enterprise Plus hosting 1000+ Linux and Windows virtual machines on hosts across multiple sites • Design and configure VMware vSphere 5 components such as High Availability (HA), Distributed Resource Scheduler (DRS), vMotion, Distributed Virtual Switch (DVS), Host Profiles, Storage I/O Control (SIOC) and Network I/O Control (NIOC) • Design and administration of Lab Manager 4.x to support 400+ virtual machines • Understanding of SAN architecture and implementation as it relates to virtualization (NetApp, IBM XIV, EMC Clariion and VMAX) • Design and Administration of 25+ HP C7000 blade chassis, Virtual Connect Flex-10 configuration in support of Linux, Windows, and VMware blades • Citrix XenApp 5 & 6.5 (Windows 2003/2008) administration hosting 90+ applications utilizing Web Interface , Netscaler, and SQL datastore backend for internal and external customers • Design and Administration of Citrix XenDesktop 5.5 integrated with XenApp, Netscaler, and Access Gateway • Citrix farm consolidation and decommission • Create and manage Active Directory and Group Policy Objects to include DNS • All manners of Windows 2003 and 2008 Windows Server administration • Produce processes and procedures for system administration • Troubleshoot and resolve utilizing analytical skill set amongst a distributed and complex environment to include DNS, Firewall, Active Directory, SMTP, TCP/IP, and various network related issues • Excellent communications skills and rapport with fellow teammates. Ability to work as a team or independently

    $88.89 /hr
    153 hours
    0.00
  3. Prasanna Kumara Welegedara

    Prasanna Kumara Welegedara

    Mr

    Sri Lanka - Tests: 1

    I am worked as Senior Programmer/Project Leader and My Primary Responsibilities at OpenArc is to Analyses, Design and Develop, the Application Software Assigned. In addition, maintain the records pertaining to project management tasks according to company’s quality management systems (QMS) also responsible for meeting with project deadlines and customer loyalty. I have good knowledge of using JSE and JEE , HMTL, DHTML, JAVA, JSP JSF, Servlet, Struts, JPA, Hibernate, Spring, PHP, CakePHP , Joomla, MySQL .

    $11.11 /hr
    338 hours
    0.00
  4. Dale Clay

    Dale Clay

    Back-Office System Consultant

    United States - Tests: 2 - Portfolio: 2

    Experienced business and technology consultant specializing in implementing back-office solutions for small to medium-size businesses. Can quickly grasp existing workflow architecture, interpret business requirements, and redesign processes to be more efficient and user-friendly. Successfully implemented CRM systems, support and ticketing systems, logistics systems, and comprehensive HR management systems. I am dilligent, responsive and thorough. Please consider enlisting my help to address your company's back-office needs.

    $110.00 /hr
    15 hours
    0.00
  5. Igor T.

    Igor T. Agency Contractor

    FULL STACK EXPERT. 5+ years exp. Live projects

    Russia - Tests: 1 - Portfolio: 2

    I'm a professional web developer with a strong mathematical education. I took 24th place at All-Russian Mathematical Olympiad in 2008. My main principals are: ✓ to keep your deadlines (to be working as much as need if need) ✓ to keep code clear ✓ to keep application stable I was working with enough clients. One of them was a Russian bank(I have developed a security inner system for them). Also I was working with market force international group. I know how to have a professional approach to what I'm doing. And my live projects are evidence that I'm pro and my clients are satisfied. So I'm looking forward new interesting suggestions.

    Associated with: ILike

    $30.00 /hr
    1,560 hours
    0.00
  6. Lavanya Krishnamoorthy

    MS-ACCESS, MS-SQL, MYSQL, EXCEL,VBA, HTML, VB, .NET EXPERT&WEBSCRAPER

    India - Tests: 8 - Portfolio: 2

    Over the last 8 years, i have developed wide range of Desktop applications and Web applications using VB, Vb.Net, C#, Ms-Access, SQL Server and MY SQL. I also have some experience in AJAX. I am seeking opportunities to build more applications for you or your business.

    $15.56 /hr
    708 hours
    4.83
  7. Xupeng Y.

    Xupeng Y.

    Linux system expert / Python developer|China

    China - Tests: 4

    I have 9 years Linux experience, and more than 4 years experience with professional Linux system administration, I am skilled in deploying and maintaining Linux-based services such as: virtualization(Xen, KVM, Vmware, Openvz), LAMP stack and Java stack deployment and management, DNS(djbDNS prefered), openvpn, web server administration(Apache, Nginx), mail server(postfix, popd, imapd). I have great debugging/problem resolving skills with Linux server/services, which can save you much time and money. I am also an experienced Python/Django developer, with more than 3 years commercial projects development experience, I have been working on more than 5 Django based web sites, such as http://www.whattheyplay.com.

    $27.78 /hr
    201 hours
    0.00
  8. Anishta Vidhushini

    Anishta Vidhushini

    QA- Lead

    Sri Lanka

    • 2+ years of experience in testing of desktop, Native, Web based and client/server applications and enterprise mobile application testing. • Experienced in Manual as well as Performance Testing. • Strong in analyzing the requirements and developing Test Scenarios and Test Cases. • Strong skills in performing GUI, System, Usability, Functionality, Regression, Ad Hoc testing. • Well familiar with testing on Android 2.3 +, iOS 4.1+ and full range of web browsers (IE, Firefox, Chrome, Safari, Chinese browsers- QQ, 360 etc.) across multiple platforms • Proven ability to manage multiple tasks and deadlines. • Proven ability to quickly learn and to work independently as well as a team. •Knowledge and experience in Performance testing tools Jemeter and NeoLoad.

    $8.89 /hr
    81 hours
    0.00