Operating Systems Development Freelancers

Browse Operating Systems Development job posts for project examples or post your job on Upwork for free!

Operating Systems Development Job Cost Overview

Typical total cost of Upwork Operating Systems Development projects based on completed and fixed-price jobs.

Upwork Operating Systems Development Jobs Completed Quarterly

On average, 2 Operating Systems Development projects are completed every quarter on Upwork.

2

Time to Complete Upwork Operating Systems Development Jobs

Time needed to complete a Operating Systems Development project on Upwork.

Average Operating Systems Development Freelancer Feedback Score

Operating Systems Development Upwork freelancers typically receive a client rating of 4.64.

4.64
Last updated: May 1, 2015

Popular Operating Systems Development Searches

More options
Clear all filters
  1. Daniel Z.

    Daniel Z.

    Highly skilled API integrator, PHP (ZF) Coder and Project Manager

    Poland - Last active: 1 day ago - Tests: 7 - Portfolio: 6

    Goal: Project and develop high quality apps for your success. Profile: OOPHP & Zend coding, IT consulting and business analyst, project coordinator and manager, Other skills: Apache, Bind, SSH, bashscripting, Memcached, Github, Solaris, Oracle, MySQL, Radius, AD, expert knowlegde of many *ux and windows systems Advantage: Project and implementation of many web apps. Most of it projected and developed by myself using Zend Framework, Google API (youtube, gdata), social API (twitter, facebook). Some of it integrated with operating systems or AAA software (radius, ldap). Usually Design Patterns were used (like Template Method, Version of Control, DAO, Dependency Injection, Decorator and so on). Some application built upon a structure of web services (XML, REST, JSON), some using jQuery and AJAX. Tools and technologies: Apache, radius, bind, ldap, Zend Framework, XML, SOAP, Linux, Linux daemons, Memcached, Sockets, REST, JSON, Oracle, MSSQL, MySQL, Design patterns, MVC, SVN, BASH, PHPUnit, Xdebug, Unit testing, Google Youtube API, Google Gdata API, Google Maps API, Facebook API, PayU API

    $35.00 /hr
    1,615 hours
    4.98
  2. Alexander R.

    Alexander R.

    Senior IT/IS Architect, Analyst, Administrator

    Russia - Last active: 7 days ago - Tests: 4

    Senior Information Technologies, Networks and Systems Architect, Analyst and Administrator with extensive experience. Platforms: Windows, Linux, OS X Clouds: VMWare, Amazon Web Services, Microsoft Azure Email systems: qMail, Postfix, Dovecot, Microsoft Exchange Web hosting: Nginx (Winginx), Apache, IIS, Nodejs, PHP, Perl, Tomcat Databases: MySQL, PostgreSQL, MSSQL, MongoDB Enterprise: Google Apps, Microsoft Office 365 And much more custom solutions, software and systems installation, configuration, maintenance and monitor.

    $33.33 /hr
    96 hours
    5.00
  3. Oscar Bass

    Oscar Bass Agency Contractor

    Senior UNIX System Engineer, LAMP, LEMP, Network Security, Cloud.

    United States - Last active: 1 day ago - Tests: 7 - Portfolio: 1

    Expert UNIX system administrator and network engineer. Got a problem? I can solve it! For more than 15 years I have been the I.T. backbone and support for many online companies. I use the most up to date standards for any project I am involved in. I work extremely quick and efficiently. If you have a problem let me help you solve it. OS: Linux - Expert, FreeBSD - Expert, AIX - Expert, HP-UX - Expert, Macintosh OS/X - Expert, Windows Server - Proficient Cloud services: AWS, Rackspace, OpSource, Linode Web servers: Apache, Nginx, Tomcat Database servers: Mysql, Postgresql Monitoring: Nagios, Monit, Munin, Cacti Scripting: bash, perl, shell Virtualization: OpenVZ, Xen, SolusVM Mail servers: Postfix, Exim, Sendmail, Dovecot Control panels: cPanel, Plesk, Direct Admin, Webmin/Virtualmin, ISPconfig, OpenPanel Other: standard network services (DNS, DHCP, LDAP, Samba, SVN/Git, http proxy, jabber, backups, monitoring etc), firewalls (iptables, ipfw, pf)

    Associated with: Bass Designs Agency

    $44.44 /hr
    237 hours
    4.96
  4. Antonio jose S.

    Antonio jose S.

    Senior IT Consultant

    Spain - Last active: 6 days ago - Tests: 3

    - Expert in information security management systems: Implementation of an information-security management system according to Norm UNE ISOIEC 27001, definition of security objectives, indicators, political security, code of best practice, risk management, treatment plan, control access definition, communications and operations, legal compliance, management policies incidents of security, CPD preparation, elaboration of contingency plans, business continuity plans, plans elaboration testing of the continuity plan, design of the applicability statement, product realization, actions preventive corrective action, internal audits, training delivery. - Expert in management of the information technology services systems: Introduction of a management system of information technologies services according to standard ISO 20000, elaboration of service processes delivery (capacity, continuity and availability, service levels, reports of service, security, TI budget), control process (configuration, change), delivery processes, solving incidents (problems) processes, business relationships process (suppliers) relations, internal audits, training. -Software process improvement: Implementation of ISO 15504/12207 (SPICE), internal audits, training. -Technological expert: design and implementation of networks architecture, information systems, backup policies, business continuity plans, servers administration (Linux, Unix, Windows, Mac Os), databases (Oracle, MySQL, Posgree), SharePoint, web servers (Apache, IIS), servers (Tomcat, JBoss, WebSphere) applications, ethical hacking (nmap, telnet, Shell script, ssh), vulnerabilities analysis and treatment (Nikto, Nessus, Acunetix, Grendel Scan).

    $33.33 /hr
    269 hours
    5.00
  5. Lou Mark Cruz

    Lou Mark Cruz Agency Contractor

    Transcriptionist | Excellent Typist-Peak speed of 120 words per minute

    Philippines - Last active: 17 days ago - Tests: 15 - Portfolio: 3

    I am a tenured and experienced online service provider. I mainly do: Typing and Encoding - With an excellent peak typing speed of 120 words per minute with 100% accuracy, your typing project can be finished flawlessly in just a flash. Linkbuilding - Establishing links for different quality websites that boost clients' ranking via Google. Transcription - (requires speed, high accuracy, fluency in the English language, strong punctuation and sentence structure knowledge, ability to closely follow instructions, and strong internet research skills). As mentioned above, my above average typing speed made me able to deliver an accomplished transcript (transcribed and proofread) real quick and accurate. Research - digging information from the web, and providing relevant data for a simple to advanced and complex task. Data Entry - usually copying and typing data from one source to another office application such as Word, Excel, or directly to a website.requires speed, ability to keenly give attention to details, strong analytical and strong internet research skills. I also do Ad Posting, PDF to MS-Word/MS-Excel conversion, Wordpress and video editing. For nearly a decade now, I have been working as a freelance Computer Technician; and my deep computer knowledge both software and hardware, and my strong analytical skills made me feel really confident working at-home independently, providing complex-type services with a satisfying end-result. I am also a Microsoft Office Expert (Word, Excel, PowerPoint)I can work with minimal or no supervision at all, yet able to deliver a quality service reaching and exceeding client expectations - which is actually my GOAL...

    Associated with: QUALIteam, LMC-NPC

    $11.11 /hr
    2,220 hours
    5.00
  6. Harsh Gajjar

    Harsh Gajjar Agency Contractor

    Project Manager Web Designer Web Developer,All CMS,.Net,WP,3D Animator

    Australia - Last active: 29 days ago - Tests: 5 - Portfolio: 24

    I am a Project Management professional having my own different team(s) locally as well as globally. I have more than 4 years of experience as Project Management as well as Development with both mid and big scale projects. I have been managing projects from beginning to successful deployment (& Maintenance Support) and having experience of leading 24+ team members in a single project. My core competency lies with; Website Designing & Development and Web Development (Photoshop, Coreldraw, Dreamweaver, ASP.NET,C#.NET/SQL SERVER, Visual-basic.net, ado.net, microsoft-sql-server, microsoft-silverlight, sharepoint, dotnetnuke, css, html, css3, html5, ajax, jquery, xml, xaml, javascript, PHP, Wordpress, Os-Commerce, Megento, Drupal, Joomla, Umbraco, etc.) Software Development (Microsoft Technologies and Open Source) Mobile App Development (Iphone & Android Apps in Xcode, Native, Titanium); 2D & 3D Multimedia Animation (3d Studio Max, 3d Studio Maya, Adobe Premier, Adobe Premier Pro, VFX, etc.) SEO and Social Media Marketing (as well as Brand Management) Server Management, Server/Network Administration, All types of Windows Severs (Windows Server 2003, Windows Server 2008 R2) and Linux Servers. Feel free to contact for the complete range of Solution(s) in Software Development, Website Designing & Development, Web Development, Multimedia Animation, Mobile App Development (including UI Designing), SEO & Social Media Marketing, High Networking, Server/Network Administration, including Project Management.

    Associated with: Jugis Tech Agency

    $66.67 /hr
    518 hours
    4.81
  7. Bejay Alvinez

    Bejay Alvinez Agency Contractor

    Ebay Guru / Amazon Specialist / Exec. Asst. / QA Manager / Typist

    Philippines - Last active: 1 day ago - Tests: 6 - Portfolio: 11

    I have been an independent contractor on oDesk for the last 4 years. During that time I have had the opportunity to work on a variety of projects, both short and long term. Some of my oDesk work experience includes Ebay and Amazon Management, Website Product Upload, Data Entry & Research, Record Keeping, Administrative Support, Ad Posting and Marketing Analysis, Sales, Real Estate and Shipping & Receiving. Before I started my career on oDesk I had previous experience as a Supervisor and Manager for an Outsourcing Data and Call Center companies, Financial Analyst, Quality Control, Data Management, and various areas of Documentation and Administration. Computer and internet savvy, fluent in English (written & verbal), able to meet deadlines, detail oriented and I'll admit I am a bit of a perfectionist. My goal is to provide buyers with accurate, timely and complete work at rates that are both reasonable and affordable. Seeking a career of the above mentioned expertise and chosen fields wherein I can give the best of my knowledge and skills for the company's profit and growth. To highlight my qualifications, I already have 48 JOBS at ALL TIME with ALL PERFECT 5.00 feedback score and a total of 6,829 hours. This will serve as a proof of being one of the top and high caliber Odesk Providers and assurance to my excellent work ethics, drive, initiative, reliability, high standard of professionalism and positive attitude towards work.

    Associated with: Joven Sangre GSolutions Agency, Mondex Professionals Agency

    $6.50 /hr
    9,999 hours
    5.00
  8. Jose Contreras

    Jose Contreras

    Quality Control, Technical Support, Dell Computer Certified Technician

    El Salvador - Last active: 2 months ago

    I graduated from Broome Community College in Binghamton NY. In Quality Assurance, but my passion to help people motivated me to become involved in the call center industry since 2004, where I have also developed many new skills, such as customer service, technical support, Quality coaching among many others skills. Now I am seeking to apply my technical skills and abilities in quality to achieve an extensive experience during my involvement with an admired company at the position of technical support specialist or quality assurance representative.

    $5.56 /hr
    4,374 hours
    5.00
  9. Joshua Dotson

    Joshua Dotson

    IT Sleuth & System Administrator (Open Source Infrastructure & HPC)

    United States - Last active: 03/06/2012 - Tests: 8

    LinkedIn http://www.linkedin.com/in/jmdots Summary I've worked in technical administration, technical support, customer service or leadership roles for all but a few months of my adult life. In this time, I climbed the ranks of a highly-modern, lightning-paced, large-scale, multi-OS supercomputing environment in Area B of Wright-Patterson Air Force Base (WPAFB) and became an avid user of all things open source. The place which was my professional home of over six years is known as the “Air Force Research Laboratory DoD Supercomputing Resource Center” or "AFRL DSRC" for short. The AFRL DSRC environment is home to the #19 supercomputer on the June 2011 Top500 Supercomputer List, a mammoth computer for which I received training: Cray Inc.'s "Raptor" XE6. I enjoy excelling in the IT industry by working smart by doing my research, building wisdom and having fun. Background 10GbE, Access, Alfresco Share, Amanda, Apple HW, Appro HPC, Audacity, bash, CentOS, Clonezilla, CUPS, Cray HPC, DD-WRT, Dell HW, DokuWiki, DRBD, eHealth, Excel, Fedora, Firefox, Gentoo, GIMP, git, Google Apps Domains, HP HW, High Performance Computing (HPC), HTML, InfiniBand, Inkscape, iptables, ITILv3, Kerberos, Kickstart, KVM, LibreOffice, Linux, MacOS, MediaWiki, MySQL, Nagios, Net-SNMP, NFS, Nmap, Nvidia GPGPU, OFED, OpenLDAP (w/TLS), OpenSSH, Oracle HW, Outlook, OTRS (with ITSM), Panasas (PanFS), PBS Pro, PhpLDAPAdmin, PhpMyAdmin, PKI, PowerPoint, Python, QEMU, RAID, regex, RHEL, Rocks Cluster, RootCA, RSA tokens, Samba, SAN (FC, iSCSI, SAS), Scientific Linux, SGI HPC, SharePoint, SiCortex HPC, SketchUp, SLES, SNMPv3, Solaris, Spectrum, Sun Freeware, Sun HW, SuperMicro HW, SUSE, SVG, svn, SystemEdge, TCP Wrappers, tomcat, Ubuntu (Desktop & LTS), vim, VirtualBox, Visio, Visual Basic, VMware, WebDAV, Windows (Desktop & Server), Word, Zenmap, ZFS, ZRM for MySQL

    $50.00 /hr
    21 hours
    5.00