CentOS Freelancers

Showing 217 freelancers

CentOS Freelancers

Showing 217 freelancers

Browse Centos job posts for project examples or post your job on oDesk for free!

Centos Job Cost Overview

Typical total cost of oDesk Centos projects based on completed and fixed-price jobs.

oDesk Centos Jobs Completed Quarterly

On average, 138 Centos projects are completed every quarter on oDesk.

138

Time to Complete oDesk Centos Jobs

Time needed to complete a Centos project on oDesk.

Average Centos Freelancer Feedback Score

Centos oDesk freelancers typically receive a client rating of 4.84.

4.84

Last updated: March 1, 2015

  • Web Performance Optimization Specialist

    Full time web performance optimization (WPO) specialist with a strong background in web programming and operations / Linux system administration with an engineering degree in Computer Science. My services include web performance analysis, front-end and server-side performance optimization, scalability, server setup … more

    Full time web performance optimization (WPO) specialist with a strong background in web programming and operations / Linux system administration with an engineering degree in Computer Science. My services include web performance analysis, front-end and server-side performance optimization, scalability, server setup, migration and maintenance. Service Description: * Web Performance Optimization (WPO) * Front-end Performance Optimization (FEO) * Web Servers Performance Optimization and Scalability * DevOps / Operations * Linux System Administration  less

    performance-tuning load-testing amazon-web-services devops linux-system-administration nginx varnish-cache centos ubuntu performance-testing 00 more less
    • $26.00 HOURLY RATE
    • 5.0
    • 192 HOURS
    • ROMANIA
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 2 TESTS
  • Expert web-developer (frontend+backend), linux system administrator

    I have experience with wide range of technologies but my specialization is web development. I'm proficient in both frontend and backend development of web applications. I have much knowledge regarding administration of linux systems including Ubuntu/CentOS and a … more

    I have experience with wide range of technologies but my specialization is web development. I'm proficient in both frontend and backend development of web applications. I have much knowledge regarding administration of linux systems including Ubuntu/CentOS and a wide variety of server software.  less

    php c++ html css bash mail-server-implementation git apache-tomcat apache-administration linux-system-administration mysql sqlite qt gps-development dhcp ssh ftp ssl postfix smtp dns ukrainian russian seo autodesk blender3d open-office html5 css3 jquery cad-design xmpp xml solaris-administration ubuntu centos gimp smarty firewalls squid amazon-ec2 regular-expressions joomla wordpress javascript python rhel guitar-performance 00 more less
    • $40.00 HOURLY RATE
    • 4.9
    • 1045 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 13 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • .NET Team Lead

    Over 3 years of overall experience in IT field, analysing, designing and developing C# \ .NET based enterprise applications. Expert level knowledge of C# \ .NET. Excellent OO development skills, taked part in large projects, also in small and average projects too … more

    Over 3 years of overall experience in IT field, analysing, designing and developing C# \ .NET based enterprise applications. Expert level knowledge of C# \ .NET. Excellent OO development skills, taked part in large projects, also in small and average projects too. Have architecting and designing experience, especially when working on project alone or with a small group. Experience in full development life cycle through OO Analysis/Design (sometimes used UML), to implementation, testing and deployment. Management and coordination activities of employees (have experience of leading 2-4 developer's team). Have a good experience of working with big (20+ developers, as developer) or small (1-5 developer's, as lead developer, architect) teams. Have a good experience of remote working and communicating. Programming languages and technologies: Visual Studio 2005/2008/2010, C#, .NET Framework 2.0+ (including WinForms, ASP.NET, WCF, Silverlight\WPF, LINQ, ADO.NET, Entity Framework), Web Services development (common and WCF services), WinAPI (+ P\Invoke), HTML, Javascript (+ jQuery), AJAX, CSS, T-SQL, MS SQL Server, XML (+ XSD, XSLT transformations), creating installers using WIX or standard Visual Studio install project. Microsoft Sharepoint development: Microsoft Office Sharepoint Designer, Microsoft Office Sharepoint Server (managing, administration, development), development: Web Services, Web Parts, Features, Jobs, Pages, Forms, Solutions etc.). Experience both with 2007 and 2010 versions. P.S: very interested in Haskell and Erlang projects.  less

    .net-framework c# wcf entity-framework sql wpf microsoft-silverlight amqp asp.net c svn git github microsoft-visual-studio centos unix-system-administration 00 more less
    • $30.00 HOURLY RATE
    • 5.0
    • 5031 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
    GROUPS:
  • Linux Systems Administraror / High-Load Web Servers Expert

    I have been working with enterprise-grade Linux-based web services for more than 5 years. My experience includes managing, optimizing and performance tuning of high-load systems with hundreds of servers and thousands of concurrent connections. I am proficient in: setting up … more

    I have been working with enterprise-grade Linux-based web services for more than 5 years. My experience includes managing, optimizing and performance tuning of high-load systems with hundreds of servers and thousands of concurrent connections. I am proficient in: setting up, administering and tuning Linux systems (mostly CentOS/RHEL), Web servers (Apache, nginx, haproxy, uwsgi, php-fpm, Tomcat etc.), Databases (MySQL, PostgreSQL), NoSQL bases (Redis etc.), Virtualization systems (XEN, Virtuozzo/OpenVZ), network infrastructure services (iptables/iproute, bind/named, postfix/exim, openvpn/pptpd). I also have sold shell scripting and Python programming skills.  less

    linux-system-administration performance-tuning centos nginx apache-administration mysql python unix-shell 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 0 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • Wordpress/HTML/CSS Expert - Linux System Administrator

    Main areas of my expertise: » CMS systems (Wordpress, Joomla, Drupal, etc.) » HTML and CSS » Linux system administration (Debian, CentOS, Ubuntu, etc.) » Site moving/migration (Wordpress, Joomla, Magento, Prestashop, etc.) » Malware removal / cleaning infected sites » Site speedup / optimization (Improving Pagespeed score … more

    Main areas of my expertise: » CMS systems (Wordpress, Joomla, Drupal, etc.) » HTML and CSS » Linux system administration (Debian, CentOS, Ubuntu, etc.) » Site moving/migration (Wordpress, Joomla, Magento, Prestashop, etc.) » Malware removal / cleaning infected sites » Site speedup / optimization (Improving Pagespeed score, reducing load times, setup caching, CDN, etc.) • Web design/developing: Over the last 5 years i've developed a wide range of websites for startup companies, small businesses and individuals. My favourite platforms are Wordpress and Joomla but i work with other CMS systems too. I'm familiar with the most popular components and plugins and i have very good problem solving skills. Besides that, i'm a HTML and CSS expert and i use these skills every day. You can find some of my work in my portfolio (I'll try to update it often). I also have experience in E-Commerce systems and SEO. • System administration: I installed, configured and managed many servers in the past. I'm familiar with FreeBSD, Debian, Ubuntu, CentOS and almost any other Linux distribution. I know how to install and configure a LAMP server and i'm good with web hosting panels, system security, Apache, E-mail systems and almost everything related to Linux servers. Try me and i won't fail you! I'm a fast, professional and reliable candidate who always stick to deadlines. My first objective is to satisfy my employer not to make money (Look at my ratings and see for yourself). I'm here because i'm seeking the opportunity to find the job(s) which suits me the best, leads me forward and helps me improving my skills.  less

    wordpress joomla seo unix-system-administration lamp-administration virtualization prestashop website-development cpanel html xhtml css css3 whm web-design linux-system-administration plesk ssh apache-administration centos adobe-dreamweaver internet-research artisteer google-adsense google-analytics 00 more less
    • $16.67 HOURLY RATE
    • 5.0
    • 441 HOURS
    • HUNGARY
    • LAST ACTIVE
    • 17 PORTFOLIO ITEMS
    • 7 TESTS
  • PHP/JS/HTML5 Expert Developer and Linux Administrator

    I am an expert developer and system administrator with PHP, MySQL, Javascript, CSS3, HTML5 and Linux (I currently use: RHEL, CentOS, openSUSE, Fedora. I have previously used Gentoo and Ubuntu). I have previously developed/configured: - Full eCommerce framework with innovative … more

    I am an expert developer and system administrator with PHP, MySQL, Javascript, CSS3, HTML5 and Linux (I currently use: RHEL, CentOS, openSUSE, Fedora. I have previously used Gentoo and Ubuntu). I have previously developed/configured: - Full eCommerce framework with innovative admin panel (PHP, Javascript) - Automated video transcoding service (PHP, Linux, ffmpeg) - Automated document conversion service (PHP, Linux) - Database driven SFTP service and firewall stored over NFS (PHP, Linux) - Differencing document storage solution (PHP) - Deduplicating backup storage solution (PHP) - Multiple fault tolerant storage servers with 12tb of space (Linux) - Multiple complex scripted firewall setups using iptables (Linux) - Flash website without Flash, with pixel perfect design and advanced effects (Javascript) - MIME Email framework to replace PHPMailer (PHP) - ... and much, much more I also work as a white-hat hacker, where I probe and test servers for vulnerabilities. I have previously been CRB checked and treat all clients with confidentiality. I am happy to sign an NDA.  less

    php javascript mysql linux-system-administration centos opensuse 00 more less
    • $35.00 HOURLY RATE
    • 4.9
    • 241 HOURS
    • UNITED KINGDOM
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 12 TESTS
  • 6+ years of experience in software development. Java/BigData/ML/

    I've 6 years of experience in software development. I've done projects ranging from data driven web applications to big data processing systems. Interested in Java, Hadoop, Big Data, Graphs and Machine Learning. I think I'm good in … more

    I've 6 years of experience in software development. I've done projects ranging from data driven web applications to big data processing systems. Interested in Java, Hadoop, Big Data, Graphs and Machine Learning. I think I'm good in communication and I'm a fast learner.  less

    java hadoop python apache-solr lucene-search oracle-database mysql hbase redis apache-thrift amazon-web-services mongodb javascript centos ubuntu mercurial git html maven junit eclipse vim 00 more less
    • $27.78 HOURLY RATE
    • 4.8
    • 0 HOURS
    • GEORGIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Freelance Project Manager / Software Engineer / Web Developer

    I am seeking a challenging role to utilize my proven project management (Software design, development and deployment), software design and development(VISUAL BASIC.NET, VISUAL C#.NET, ASP.NET, SQL, AJAX, HTML5, CSS, jQuery, SMARTY, CodeIgnitor, RoR, AS 2.0 … more

    I am seeking a challenging role to utilize my proven project management (Software design, development and deployment), software design and development(VISUAL BASIC.NET, VISUAL C#.NET, ASP.NET, SQL, AJAX, HTML5, CSS, jQuery, SMARTY, CodeIgnitor, RoR, AS 2.0, 3.0, Joomla, Wordpress, Drupal), system and network administration(SQL SERVER 2000, 2005, 2008, WINDOWS SERVER 2000, 2003, 2008) skills with devotion and responsibility to consciously contribute to the client’s satisfaction.  less

    hardware-troubleshooting ms-dos-administration windows-xp-administration windows-nt-administration windows-administration fedora centos tcp-ip dns dhcp ftp wan iis apache-administration apache-tomcat isa-server microsoft-exchange-server fortran microsoft-visual-basic visual-foxpro microsoft-visual-studio microsoft-outlook-development microsoft-powerpoint microsoft-access microsoft-publisher microsoft-project microsoft-sql-ssrs ssis crystal-reports html xml css javascript joomla wordpress microsoft-word sql t-sql oracle-pl/sql asp asp.net ajax php xhtml corel-draw adobe-photoshop adobe-dreamweaver adobe-flash actionscript-2 actionscript-3 seo 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 243 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 14 PORTFOLIO ITEMS
    • 5 TESTS
  • Ruby On Rails developer

    Last 2 years I'm working with linux, nosqls and ror projects. I have enough experience to help to develop highload website based on linux servers. I'm a fast learn fast and always ready to work on interesting tasks … more

    Last 2 years I'm working with linux, nosqls and ror projects. I have enough experience to help to develop highload website based on linux servers. I'm a fast learn fast and always ready to work on interesting tasks. I am looking for any opportunity to help you create a website to optimize the speed of the server or create a native application. Also I am have some experience in linux kernel module development, nosql, data recovery.  less

    ruby linux-system-administration ruby-on-rails bash-shell-scripting nginx c centos rhel amazon-ec2 actionscript-3 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 0 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 1 TEST
    ASSOCIATED WITH:
  • Sr. Web Developer, Project manager (PMP)

    Ranked in Top 10 Canadian Odesk Consultants from August 2013! More than 500 oDesk hours! Sr. Web Developer and Project Manager(PMP) helps you create intellectual websites that leaves better impression on your brand.

    php html seo vba asp social-media-marketing web-design project-management magento wordpress centos codeigniter zencart zend-framework 00 more less
    • $50.00 HOURLY RATE
    • 5.0
    • 728 HOURS
    • CANADA
    • LAST ACTIVE
    • 7 PORTFOLIO ITEMS
    • 2 TESTS
    GROUPS:
    ASSOCIATED WITH:
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