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CentOS Job Cost Overview

Typical total cost of Upwork CentOS projects based on completed and fixed-price jobs.

Upwork CentOS Jobs Completed Quarterly

On average, 136 CentOS projects are completed every quarter on Upwork.

136

Time to Complete Upwork CentOS Jobs

Time needed to complete a CentOS project on Upwork.

Average CentOS Freelancer Feedback Score

CentOS Upwork freelancers typically receive a client rating of 4.85.

4.85
Last updated: August 1, 2015
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  1. Evgeny K.

    .NET Team Lead

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

    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.

    Groups: Application Developers Alliance, Coding Champs...

    $30.00 /hr
    5,636 hours
    5.00
  2. Jayson Cena

    Jayson Cena Agency Contractor

    Linux(Debian/Red Hat),Oracle DBA, Linux Cluster Admin,Virtualization-H

    Philippines - Last active: 07/21/2013 - Tests: 4

    To obtain a position that will enable me to experience and learn new ideas on system administration like complicated enterprise infrastructure design specially high-availability and fault-tolerant infrastructres. My core competency lies in designing new system infrastructure using open-source software. I also have some experience in VB6, ASP, PHP. http://clusterfoundry.com

    Associated with: ClusterFoundry Agency

    $26.67 /hr
    1,137 hours
    5.00
  3. Haris L.

    Haris L.

    Senior developer, software architect

    Bosnia and Herzegovina - Last active: 17 days ago - Tests: 2

    I am senior sysadmin/developer with extremely "deep" and "wide" knowledge and understanding of IT platforms and solutions. I have 20+ years of experience working in IT industry including, system and networks administration, software architecture and development as well as IT systems design and implementation, both Linux and Windows based platforms. For last 10+ years my focus was on opensource based platforms, frameworks and software, so following are some of my experiences: - WEB and desktop based software/services architecture and development using many different languages: c, php, perl, python, javascript, html/css, java, vb/vba, vfp... and frameworks; zend, django, express... - sysadmin of different linux flavors (centos, debian, redhat, suse...) - implementation and support of different opensource software platforms: Asterisk/FreePBX VoIP, vTiger CRM, Kannel/PlaySMS SMS marketing services... - design, implementation, tuning and maintenance of PostgreSQL and MySQL RDMBS - design and development of WEB and desktop opensurce GIS/GPS solutions (GeoServer, PostGIS, OpenLayers, OSM...) - lecturing and training both IT professionals and regular users - IT projects management In addition to above, I am also experienced in working cooperatively and effectively with people from a wide range of nationalities asI was engaged in several national wide projects financed and supported by UN/UNDP/UNESCO and WB/IFC.

    $33.33 /hr
    1,214 hours
    4.64
  4. Jalal K.

    Jalal K.

    PHP Web Development

    Bahrain - Last active: 1 day ago - Tests: 2

    Programming is my life and my language. My brother knew I was a programmer before I did. He bought me that first book when I was about 10. That was 23 years ago. I am a programmer with experience in many languages, platforms, and operating systems. I love working with small companies and startups. Whether you need someone to lead your team, program into the wee hours of the night, or just need someone to talk to, I can help. I have always enjoyed the challenge of creating interactive software. With the birth of the modern Internet, I found a new love in web development and web programming. I face every new piece of code as a fresh new beginning... a chance to do it even better, while, still using "what works" from the past. My objective, here at oDesk, it to provide potential employers with my expertise in the field of website design, development, and programming. #1 and All PHP, MYSQL, POSTGRE SQL, JavaME, Javascript, C++, Java J2EE, J2SE. Tomcat, Jboss, Amazon AWS Amazon EC2 Expertise: ========= Banking Software Development Web Development and web programming Softwares Server, DB Optimization

    Groups: Twilio

    $250.00 /hr
    1,366 hours
    5.00
  5. Shaukat N. Agency Contractor

    Odesk ❶ Consultant | Network/System Admin | Database | Cloud Computing

    Pakistan - Last active: 2 days ago - Tests: 17 - Portfolio: 8

    To start with, my background, qualifications and work experience in networking, systems engineering and security appear to be well suited to your specific requirements. I hold a Masters Degree in computing with specialization in Network Security and Databases along with that I hold certifications ranging from "MCSE-MCITP" to "RHEL" and from "CCNA" to "Juniper". I am confident that I can make a significant contribution to your company, specifically by providing excellent technical services and support to your company and clients. My achievements range from setting up and installing top-notch network solutions for various companies as a consultant to providing support for WINDOWS, UNIX based hardware/ software solutions. Further my background includes over 5+ years of Systems and Network Administration activities across a number of Offline and Online Projects along with reputed organizations. I have had extensive VMware and VCenter administration experience migrating virtual machines using both Physical to Virtual (P2V) and Virtual to Virtual (V2) strategies. This included a project team that covered over 250 migrations over an 18 month period. I have also supported and managed a large high availability Citrix environment and a high availability Microsoft SQL server 2008 cluster. In previous positions I had significant exposure to Microsoft Active Directory and LDAP environments as well as some virtualization experience using VMware and Cisco hardware along with Linux Upfront. The Cisco virtualization included administration of the Nexus 1000V virtual switches.

    Associated with: Destra Soft, CyberPak Technologies

    $20.00 /hr
    4,094 hours
    4.97
  6. Randy B.

    Randy B.

    Systems Engineer | Cloud Computing DevOps

    Philippines - Last active: 3 days ago - Portfolio: 2

    + Professional system administrator with more than 6 years of extensive experience in *nix systems. + Experience in automated and scalable hybrid clouds like Rackspace, GoGrid, RightScale, Joyent, Linode, DigitalOcean and AWS (EC2, S3,RDS, SES, Glacier, CloudFront, CloudFormation, Elastic Beanstalk, VPC). + Competence in design, implementation, deployment, performance optimization and maintenance of high-capacity, mission-critical server infrastructure. + Knowledgeable in setting up Atlassian tools (Jira, Confluence, Bamboo, Crowd, Crucible, Fisheye and Greenhopper). + Well-versed in systems monitoring setup, configuration and customization (Zenoss, Zabbix, Nagios, Munin, Monitis and Monit). + Strong understanding of the TCP/IP protocol. + Specialities: C/C++, Python, Perl, PHP, Bash

    $22.00 /hr
    1,032 hours
    5.00
  7. Oleksiy T.

    Oleksiy T. Agency Contractor

    Senior Java Developer, Senior System Engineer

    Ukraine - Last active: 16 hours ago - Tests: 3

    For last 5 years I have been developing several large-scale web applications as a part of the team. My main responsibilities were: Development and improvement of Seam-based web applications; New features development; Prototyping using shell scripts; Development and optimization of server-side components; Creating Selenium tests used for regression testing; User Experience Improvement. Also I have done a few small Swing-based UI projects. I have experience in: Core Java, Ajax, TestNG Framework, Selenium, Shell Scripting, JavaScript, OOP/OOD.

    Associated with: Gold Sky

    $50.00 /hr
    6,093 hours
    4.96
  8. Dmitriy T.

    Dmitriy T.

    less code to do more

    Kazakhstan - Last active: less than one minute ago

    Hi! I'm independent freelance developer with 3+ years of experience. My specialization is Python applications. I know how to deal with MVC frameworks such as Django and Flask. I'm good at creating REST API applications and database schema design. I'm familiar with front-end technologies (i.e. HTML5, CSS, javascript/jQuery, angularJS)

    $29.00 /hr
    2,367 hours
    4.77
  9. Arabo Markarian

    Arabo Markarian

    System and Network Administrator (Unix, Linux, Windows)

    Armenia - Last active: 16 hours ago - Tests: 5

    More than 8 years of experience in Unix, Linux, Windows systems. My Skills includes: - Unix/Linux/Windows Server Management - Clouds & VPS management (AWS, Linode, DigitalOcean) - Amazon web services expert (EC2, RDS, S3, VPC) - FreeBSD expert - RHEL/CentOS, WHM/Cpanel expert - FTP Server installation & Management - Remote Server Management - Apache/Nginx Server configuration & Management - PHP Install & configure - Database server (MySQL & PostgreSQL) Installation and Management - Mail Server Install and Configure (Postfix, Dovecot) - Live site Hosting - Ecommerce platforms (Magento) - Wordpress

    $20.00 /hr
    1,896 hours
    4.66
  10. Daniil Pichikin

    Daniil Pichikin Agency Contractor

    System Network/Server Administrator/DevOps, Web Developer

    Ukraine - Last active: 4 days ago - Tests: 1 - Portfolio: 5

    In 2005 I started working as a system administrator. The last years I have been doing the administration of virtualization, Linux systems and High-Availability Projects that are in the clouds of Amazon Web Services. I also do installation of monitoring servers and equipment. In my work, I prefer to use Open Source technology. It all depends on the customer's wishes. I also do the installation, configuration, optimization, sites. In 2010, 2011 got the certifications of the Ideco ICS 4.

    Groups: Bluehost Developers and Designers

    Associated with: Trafford Group Agency

    $16.67 /hr
    1,385 hours
    5.00