IT & Networking Administrators

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  1. Joan-Alexander Grigorov

    Joan-Alexander Grigorov

    OMG-Certified UML Professional

    Bulgaria - Last active: 1 month ago - Tests: 3 - Portfolio: 2

    Software Engineer over here! Domain-driven design enthusiast with passion for structuring flexible OO design with PHP. Certified as UML Professional (Fundamentals) by Object Management Group on December 2013. For the last 4 years I've been actively developing web applications using Zend Framework (since July 2012 I'm Zend Framework Certified Engineer). Expert in design patterns with over 4 years of professional experience. I'm developing enterprise web applications, file sharing systems, websites, web application frameworks, etc. Achieving high quality of code, good performance and reusable object-oriented software design is my primary goal when working. I don't underestimate documentation as my source code is always well documented, with end-user manuals when needed. In the last two years I've gained rich experience with Dependency Injection and Service Locators and successfully applied those approaches my projects. I'm always ready to learn new approaches, if they could make my work quicker and easier. I have experience in educating developers. I've been teaching students PHP, Zend Framework(basic and advanced levels), MySQL, jQuery, Design Patterns and etc. I'm seeking to develop big and complex web applications using the last technologies and software development methodologies.

    Groups: Zend Certified Engineers

    $20.00 /hr
    3,373 hours
    0.00
  2. Muhammad Saad

    Muhammad Saad

    Software Engineer

    Pakistan - Last active: 14 days ago - Tests: 1

    7+ years building client/server, web-based application and infrastructures.  Architected, designed and built solutions using Microsoft, Java and Open Source tools. Led development of complete suites of products including Desktop and Web platform. Developed high volume transaction application. I have an expertise in : Asp.net C# , Ext.net, Ext JS, Java, PHP, AJAX, JQuery and open source software integration.

    $30.00 /hr
    1,600 hours
    0.00
  3. Parveen Kumar Raina

    Parveen Kumar Raina

    Expert Software Developer with Dot Net,C#,ASP.Net, Java and PHP skills

    India - Last active: 18 days ago - Tests: 1 - Portfolio: 10

    I'm an Expert Dot Net Developer with extensive experience in building High Quality Sites and Software. My experiences range from building responsive mobile sites that work well cross-browser to building scalable sites for the any industry. I like working on projects with a team that cares about creating beautiful and usable interfaces and having My aim is to deliver software development solutions in excellent quality that will surely satisfy clients which will lead to fruitful partnerships. It's important to me to build long term relationships with clients, so I'm primarily looking for long term projects. I'm flexible with my working hours and am happy to work closely with any existing freelancers you work with. I look forward to hearing from you!

    Groups: Microsoft Certified Professionals

    $30.00 /hr
    21 hours
    0.00
  4. Dale Clay

    Dale Clay

    Back-Office System Consultant

    United States - Last active: 1 month ago - 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. Victor K.

    Victor K.

    Siemens Simatic PLC & SCADA Programmer

    Russia - Last active: 1 month ago - Tests: 1 - Portfolio: 3

    More than 13 years of Simatic SCADA and PLC application sofrware development for metallurgy, oil & gas industry, using Step 7, WinCC, WinCC flexible. Auxiliary MS Windows software and database development, using Visual Studio and SQL Server. Also have a good knowledge and practice with low cost Koyo Direct Logic PLCs, and Owen PLCs

    $11.11 /hr
    171 hours
    0.00
  6. Jan Garaj

    Jan Garaj

    DevOps Monitoring zExpert (Zabbix/Zenoss)

    United Kingdom - Last active: 12 days ago - Tests: 4

    Self-assessment of my strengths (the best is ★★★★★): ★★★★★ Server administration/support of Linux (RedHat, Debian, CentOS) - 2nd line DevOps support ★★★★★ Server monitoring with Zabbix (other tools: Zenoss, OpenView, OVO, New Relic, Nagios) ★★★★★ Performance tunning of LAMP stack: Apache (Nginx), PHP, MySQL ★★★★☆ Virtualization with Citrix XenServer (VMware) ★★★★☆ Web developing with LAMP stack: Linux, PHP (CakePHP, Nette, Zend), MySQL (PostgreSQL) My DevOps technologies in playfield: Puppet, Zenoss, MongoDB, Python, QlikView, Sencha, cloud Amazon Web Services - AWS, HP Performance Anywhere, New Relic, Apache Tomcat, ... Familiarized with technologies: scripting (bash, python, PHP, ...) , TCP/IP, svn, XML, Javascript (jQuery), Java, C, NetBeans, UML, phantomJS, NetApp, EMC, Jira, ... Knowledge of Content Management System (CMS): Wordpress, Joomla, Drupal, Umbraco. Highlight: • DevOps sector experience: ★ with branded product healthcare web sites (GlaxoSmithKline) ★ with 2,5 millions real users per month on Linux/LAMP stack (Zoznam) ★ with mission critical Linux/Unix servers (Volkswagen) ★ with virtualization and monitoring project built from scratch (WIMC) ★ with deploying/inventoring/patching/configuring of server infrastructure by automation tools (Hewlett-Packard) • Development sector experience: ★ with GPS tracking backend/frontend system (WIMC) ★ with web multilevel marketing system for financial agents (Positive)

    $61.11 /hr
    349 hours
    0.00
  7. Gerry Litwin

    Gerry Litwin

    Senior Application Developer

    United States - Last active: 1 month ago - Tests: 1

    Highlights: Demonstrated record of high performance standards, including attention to detail, schedules, deadlines, budgets and quality work. Extensive experience in: Visual Studio (2005-2013) ASP.NET (2.0 - 4.5.1) SQL Server (2000-2014) DevExpress Excel C# ASP JavaScript Object Oriented Programming .NET Compact Framework SQLLite MySQL Oracle Sybase HTML DHTML XML MS Visual Studio 6 MS Visual Studio .NET 2002/2003/2005/2008/2010/2012/2013 MS TFS MS IIS MS Project MS Visio MS SQL Server SQL Azure Windows Azure Adobe Photoshop. Freelance -Application Development -Database Administration

    $38.89 /hr
    50 hours
    0.00
  8. GABRIEL MEDRANO

    GABRIEL MEDRANO

    VMware Systems Engineer

    United States - Last active: 2 days ago

    • 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
  9. Andrey Markin

    Andrey Markin

    Developer

    Russia - Last active: 1 day ago - Tests: 3

    I'm a Java developer moved from financial markets modeling and algorithmic trading to software development and integration architecture. My experience varies from data analysis to python, java and javascript web frameworks to java backend development and server configurations. Long term relationships with clients are number one priority, but this doesn't mean I'm not interested in just-do-it monthly projects. As a selfish egoist I'm primarily looking for interesting ones.))) I'm flexible with my working hours and am able to work closely with any existing coworkers you work with. Making a contact is a perfect and surprisingly the shortest way to start cooperating. Yours Andrey).

    $12.00 /hr
    54 hours
    0.00
  10. Rui Pimentel

    Rui Pimentel

    Web Developer with more than 6 years of experience

    Portugal - Last active: 1 day ago

    Looking for a fast, viable and cheap web application? I have the solution for you! I'm an expert with more than 6 years of experience in development of all kinds of web applications, using PHP, Mysql, HTML 5, CSS 3, Jquery/Ajax... My main area is Web Crawling, based on PHP + cURL scripts developed from source, having already worked in thousands of different crawlers. Contact me, and I can assure you wont regret!

    $12.79 /hr
    1,964 hours
    0.00