Top Upwork Freelancers

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  1. Jose Arteaga

    Jose Arteaga

    Cisco Telecommunications Engineer - Powering productivity through Comm

    Venezuela - Last active: 5 months ago - Tests: 6

    Who I am... Network Engineer with 5+ years of experience working with a variety of technologies from different vendor like Cisco, VMware, Microsoft, Watchguard, Barracuda, etc. I had designed and implemented networks from scratch starting on the infrastructure (Routing and Switching), Security and finally the Applications (Unified Communications and Collaboration). My Mission... I specialized on designing and implementing network solutions for small, medium and large businesses in many different vertical markets like the oil and gas industry, banking, food and beverages industry and others. I had achieved customer satisfaction 100% of the time and exceeded their expectations while staying on-budget, meeting deadlines and finding new business opportunities inside the company and the customers. Always looking for the biggest challenges that help me excel myself not only in the networking field, but also in the business management side of the company making myself an integral and interdisciplinary engineer capable of achieving the impossible.

    $50.00 /hr
    257 hours
    4.99
  2. Antonio S.

    Antonio S.

    Software Engineer

    Italy - Last active: 03/24/2014 - Tests: 6 - Portfolio: 3

    Over the last 7 years, I have developed a wide range of web applications using HMTL,CSS,JQUERY, PHP, and MySQL. My core competency is DRUPAL development. I am seeking opportunities to build websites from the ground up or develop custom modules. I also have some experience in the following areas: SQL, Ajax, OOP, ASP, C++, C#, ASP.NET, IIS, APACHE, linux administration.

    $24.44 /hr
    158 hours
    4.97
  3. Sergey B.

    Sergey B.

    Unix administrator, Web-based solutions, VoIP, Hosting, CMS expert

    Ukraine - Last active: 12/23/2014 - Tests: 5

    From large IBM 360 mainframe monsters to modern ISP- and enterprise- oriented servers, more than 16 years, I'm working in the industry of an information technology. I have a large experience to install and configure server's hardware and software, another network equipement, to keep them in working conditions, to work in hosting-oriented team as administrator. At last years my focus of interest has extended to web-oriented applications, such as CMSs, corporate project managing software, and website developement projects with corresponding and supplementary software. Also my competency lies in server-side network services, including web-servers (not only Apache), SQL, DNS, Xen, OpenVZ, VoIP PBX, etc..etc

    $17.78 /hr
    286 hours
    5.00
  4. Serhiy T.

    Serhiy T.

    Linux, FreeBSD, Windows, Network, Apache, MySQL System Administrator

    Ukraine - Last active: 03/05/2012 - Tests: 12 - Portfolio: 1

    - Operating systems: FreeBSD, openSUSE, Red Hat, CentOS, Debian, Ubuntu, Gentoo, Windows: 2000/2003/XP/Vista/7, Mac OS X: 10.4-10.6 - Programming languages (basic level): Bash, PHP, Perl, SQL, C, Objective C, html - Network protocols: TCP, UDP - Network services: DNS, FTP, HTTP, HTTPS - Web Servers: Apache, Nginx, Tomcat - MTA: Postfix, Qmail, Exim - FTP Servers: Pure-ftpd, Proftpd, vsftp - Firewalls: ipfw, ipchains, iptables - Network tools: route, iproute2, natd, tcpdump, netcat, trafshow - Databases: MySQL, MSSQL, Redis - Network file systems: GlusterFS - Virtualization: OpenVZ, Xen, VMware, Virtual PC - Version Control Systems: Subversion - Control panels: cPanel, WHM, Plesk - Monitoring systems: Nagios, Zabbix, Monit, Munin, Cacti - Cloud services: Amazon EC2 - Bug tracking systems: Mantis, Redmine, Trac, Jira - VPN: Mpd, OpenVPN, PPTP - Other software: Squid, Samba, Bind, Radius, Varnish, HAproxy, Wowza Media Server

    $33.33 /hr
    44 hours
    5.00
  5. Istvan Jeno Veres

    Istvan Jeno Veres

    Web Developer

    Romania - Last active: 05/16/2014 - Tests: 1 - Portfolio: 1

    Over the past 2 years, I have been working on various projects at Babes Bolyai University, developing android apps, web pages using Python/Django framework and at Nokia Siemens Networks working in RoR. My competency lies in my ambition and ability to meet deadlines and take part in an Agile Software Development Process, gained through my internship at a large multinational company. I have experience in: Java, C/C++, Mathworks Matlab, Ruby, Ruby on Rails, Python, Django, HTML, CSS, JavaScript/jQuery, Linux, Databases/SQL

    $13.33 /hr
    513 hours
    5.00
  6. Fernando R.

    Fernando R.

    Ruby on Rails Developer with Strong Linux Background

    United States - Last active: 07/03/2012 - Tests: 3 - Portfolio: 1

    Very proficient RoR Web developer with a strong Linux/Unix background. Located in Florida, USA I work on EST timezone, allowed to work legally in the USA, I can attend to meetings, receive and make calls worldwide, as my customer you will be provided with a direct line to contact me if necessary. Over 11 years of experience on the IT industry, mainly working for major 500 Fortune US companies such as Cisco Systems, LexisNexis, Sun microsystems and others. My focus is always to keep things as simple as possible and make stuff better. Relevant skills : - Ruby on Rails 3 - Authorize.net , Credit card systems - RSpec , Capybara ( Testing ) TDD - Memcache - C ANSI - Linux / Unix (Solaris) - Shell scripting - Unix power tools: vi,awk,sed,bash,truss,top,strace,tcpdump,iptables.. - Capistrano - Amazon EC2 and Clouding computing. - VPS (Heroku, SliceHost, DreamHost) - Git Collaboration tools and extras that we offer to our customers : - US Phone number landline and cell phone - Skype. - Outlook Calendar (Exchange server) - EST U.S timezone, Located in Florida, near by major airport (FLL) - Fluent in English, Spanish and Portuguese (Spoken and Written) Don't hesitate to contact me if you have any questions.

    $33.33 /hr
    157 hours
    5.00
  7. Junaid Ameen

    Junaid Ameen

    Consultant - Web, Mobile development (Android)

    United States - Last active: 12/08/2014 - Tests: 6 - Portfolio: 1

    I have been working in Microsoft technologies especially .net from a long time. But now i have shifted my focus on mobile development. I have been working in Android development for good amount of time. My weekly availability is limited, but I assure to get your job done in a short span of time with quality deliverables.

    $12.00 /hr
    97 hours
    4.98
  8. Sergey Mikayelyan

    Sergey Mikayelyan

    Flash/Flex/AS3, Starling, Feathers Developer

    Armenia - Last active: 1 day ago - Portfolio: 4

    Worked on complex Desktop implemented based on Flash/Flex/AIR/AS3 . Working on mobile (web) game using Flash/AS3 starling feathers frameworks.

    $13.33 /hr
    5,444 hours
    4.50
  9. Ahmed Naguib

    Ahmed Naguib Agency Contractor

    Programmer / Developer

    Netherlands - Last active: 1 day ago - Tests: 3 - Portfolio: 3

    I am a web developer . My expertise is in php especially in wordpress . I have made many projects using Wordpress , php and MySql. I also have strong knowledge of OOP concepts and design methodologies . I have good experience in the following areas : Ajax , jquery , Javascript , XML . I am seeking web develeopment opportunities where I can apply my skills and to help solve tough challenges.

    Associated with: Innovative Developers

    $20.00 /hr
    6 hours
    5.00