Operating Systems Development Freelancers

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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, 5 Operating Systems Development projects are completed every quarter on Upwork.

5

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 4.62.

4.62
Last updated: July 1, 2015

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  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
    1,677 hours
    4.98
  2. Bhushan Kumar Sharma

    Bhushan Kumar Sharma

    Linux Servers AWS Cloud Hosting Security CPanel Plesk VOIP PenTest

    India - Last active: 1 day ago - Tests: 4 - Portfolio: 14

    Since 2001, I have been dedicatedly working with Linux Operating Systems & Open Source. Services Provided ::- Deployment, Configuration, Security, Hardening, Monitoring, Performance Tuning, Troubleshooting of Linux Server Roles AWS – Amazon Web Services Migration of Servers Hosting Panels like WHM/CPanel, Plesk etc Asterisk Dialers, VOIP and Call Center Solutions Customization of Linux Kernel & Distro with Rebranding Faculty of Post-Graduate Degree in Computer Sciences. Firewalls & Gateways Linux HPC - High Preformance Clusters Remote Server Support & Troubleshooting L3/L4 Security Auditing of Servers & Websites Cloud & Virtualization Technical Writing VPN - Site-to-Site, Road-warrior Vulnerability Assessment & Penetration Testing Kayako

    $16.67 /hr
    3,442 hours
    4.85
  3. BP Singh

    BP Singh Agency Contractor

    *MSP Consultant, Kaseya Consultant,labtech, Exchange, Vmware,AD*

    India - Last active: 3 days ago - Tests: 4 - Portfolio: 1

    ITechServ is a company with expertise in IT infrastructure management and has certified people having expertise in their skills. A MCSE certified guy handles Microsoft systems and CCNA Tech handles Cisco firewalls, routers and switches. So we believe in that every task/issue/work needs to be handled by a resource having expertise in his area. We work as a team to complete IT infrastructure project. Provide tier 1, 2 and 3 level supports as a team and provide the Best services so that the delivery of the work has a quality and is done in the minimal time. We provide IT services with a difference.

    Associated with: ABCTECHSERVE, ITechServ

    $33.33 /hr
    7,880 hours
    4.70
  4. Jovelyn O.

    Jovelyn O. Agency Contractor

    Experienced Virtual Assistant

    Philippines - Last active: 1 day ago - Tests: 7 - Portfolio: 3

    A trained and experienced professional working at home for more than 5 years now and the aim to help business companies around the globe achieves success by providing excellent quality services specially in the areas below: • Virtual/Personal Assistant • Order Processing/Order Fulfillment • Web Research, Data Entry • Clerical Job • Inbound Customer Service, Technical/Email/Chat Support • Quality Assurance • B2B and B2C-Lead Generation, Data Cleansing/Verification, Appointment Settings • Bookkeeping • Wordpress/Social Media and Internet Marketing

    Associated with: 3J OUTSOURCING SOLUTION

    $8.89 /hr
    5,874 hours
    4.98
  5. Muhammad Akmal

    Muhammad Akmal Agency Contractor

    Cisco Certified Engineer CCNA&CCNP, System admin and Virtualization

    Pakistan - Last active: 2 days ago - Tests: 7

    I am a Cisco Certified Network and Security Professional with more than 15 years experience in Managed Network and Security Services. I have expertise in routing, switching and Network Security across all industry leading vendors. My passion to deliver quality solutions has taken me to full-time freelancing, with a loyal clientele base spanning the globe. I am available around the clock and ready to provide expert assistance as and when my clients call and in their preferred time-zone. --- Cisco--- Cisco 1700 Cisco 2500 Cisco 2600 Cisco 3800 Cisco 7200 Cisco 800 Cisco 1800 Cisco 1900 Cisco 2800 Cisco 2900 Cisco 3900 Cisco RV Seriese WLC 5500 WLC 4400 WLC 2500 cisco aironet 1000 cisco aironet 1100 cisco aironet 1200 cisco aironet 1300 cisco aironet 1600 cisco aironet 2600 cisco aironet 3600 Cisco ASA 5500 Series Cisco AS 5300 Series Cisco AS 5400 Series Cisco PIX 500 Cisco Switch Catalyst 2960 Cisco Switch Catalyst 3560 Cisco Switch Catalyst 3750 Cisco Switch Catalyst 3850 Cisco Switch Catalyst 4500 Cisco Switch Catalyst 4900 Cisco Switch Catalyst 6500 Cisco 4900 4900M Series Cisco Nexus 5000 Series Cisco Nexus 7000 Series cisco Small Business 100 cisco Small Business 200 cisco Small Business 300 cisco Small Business 500 --- Juniper --- Juniper J Series ->Juniper SRX Series SRX100 SRX110 SRX210 SRX220 SRX240 SRX550 SRX650 SRX1400 SRX3400 SRX3600 SRX5400 SRX5600 SRX5800 ->SSG Series SSG5 SSG20 SSG140 SSG320M SSG350M SSG520M SSG550M --- HP --- HP 6600 HP 5820 HP 5800 HP 5500 HP 5100 HP 5120 HP 3800 HP 3600 HP 3500 HP 3100 HP 2620 HP 2530 HP 830 HP 1910 HP 1810 HP 1410 HP 1405 --- Sonicwall --- TZ 215 TZ 210 TZ 205 TZ 200 TZ 170 TZ 180 TZ 105 --- NetGear --- AC1900-Nighthawk Smart WiFi Router AC1750-Smart WiFi Router AC1600-Smart WiFi Router AC1450-Smart WiFi Router AC1200-Smart WiFi Router AC1200-WiFi Router N900-CENTRIA WiFi Storage Router N900-WiFi Router N750-WiFi Router N600-WiFi Router N300-Trek Travel Router and Range Extender N300-WiFi Router N450-WiFi Router N300-WiFi Router N150-WiFi Router --- Routers & Firewalls -- Vyatta Pfsense MikroTik D-Link Routers and Switches CehckPoint Cybercoam samsung ubigate routers Riverbed --- WatchGuard --- XTM 2 XTM 3 XTM 5 XTM 8 Firebox X1250e Firebox X750e Firebox X550e Firebox X55e/X55e-W Firebox Edge X20e/X20e-W Firebox Edge X10e/X10e-W Firebox X5500e Firebox X6500e Firebox X8500e --- fortigate --- Fortigate 30B Fortigate 30D Fortigate 50A Fortigate 50b Fortigate 60c Fortigate 60D Fortigate 100c Fortigate 100D Fortigate 150D Fortigate 300A Fortigate 300B Fortigate 300C Fortigate 300D Fortigate 1000A Fortigate 1000C Fortigate 1000D --- Dell --- Dell Smart Lan Dell 3500 Dell 7000 Dell N200 Dell 6200 Dell 5500 Dell S-Series Dell Z-Series Dell N400 Dell 8100 --- Zyxel--- Zywall USG Series Zywall P Series I also have good understanding and work experience of -Microsoft family of servers and clients operating systems -Cloud Service Providers • Aamazon Web Services • Azure • Rackspace • Linode -Backpup Products • Symantic Backup Exec -Open source VPN solutions • openVPN • openSWAN • strongSWAN • Logmein Hamahi • -Virtualization Solutions • Hyper-V • Vmware • Xen -RRM Tools • Kaseya • Labtech • AutoTask • Connectwise • ManageEngine • Catci • OpenNMS • Solarwinds • Nagios • WhatsUP Gold • PRTG • MRTG • Microsoft Visio Linux Distros • Redhat • Debian • Ubuntu • Centos • Fedora • clearOS • FreeBSD • MacOS

    Associated with: Aliado Inc Agency, Cloud Support Agency

    $33.33 /hr
    1,354 hours
    4.74
  6. Lou Mark Cruz

    Lou Mark Cruz Agency Contractor

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

    Philippines - Last active: 14 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
  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
    10,228 hours
    5.00
  8. Jose Contreras

    Jose Contreras

    Quality Control, Technical Support, Dell Computer Certified Technician

    El Salvador - Last active: 3 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. Dannie Lyn Buenaventura

    Dannie Lyn Buenaventura

    Administrative Assistant / SEO Coordinator / Accounts Manager

    Philippines - Last active: 1 day ago - Tests: 6 - Portfolio: 4

    To obtain a responsible position that offers challenge and opportunity, where my knowledge, abilities and qualifications can be fully applied for mutual benefit, thus, contribute to the goals of the company not only to meet but to exceed growth and financial goals.

    $5.56 /hr
    4,547 hours
    4.77