Network & System Administrators

Clear all filters

Stephen F.

Stephen F. Agency Contractor

Senior Software Engineer/Database Engineer/Project Manager

Canada - Tests: 14 - Portfolio: 12

Software Engineer, Database Engineer, and Linux Administrator. I'm always seeking exciting new opportunities, particularly working with modern web applications. I have 16 years experience in software development, working with a number of technologies such as: Node.js / AngularJS / PHP / MySQL / Cassandra / MongoDB / Oracle / Java / Android / C/C++ / Objective C / Laravel / CakePHP / .Net and more... I'm a firm believer in agile development, TDD/BDD, and following best practices. I also have a wealth of experience managing and deploying high-availability server clusters, and developing scale-out ready web applications on Red Hat, CentOS, & Ubuntu servers. I specialize in SaaS based applications deployed on cloud platforms like Amazon Web Services, Rackspace Cloud, and Google Cloud. I can also assist you in deploying devops, continuous integration (Bamboo, Jenkins, TravisCI, etc), continuous deployment, and other automations.

Associated with: Kupo Web Services LTD.

60% Job Success
$56.67 /hr
3,849 hours

Sushant Chawla

Sushant Chawla Agency Contractor

System Architect

India - Tests: 9 - Portfolio: 12

Over the last 8 years I have gathered expert knowledge of Linux Servers Administration. I have worked on LAMP Architecture, Clustering of LAMP with load balancing, MySQL clustering and replication, Complete Amazon Cloud Setup, Nameservers, Mail Servers, OpenLDAP, OpenVPN, Monitoring tools (Nagios, Zabbix), FTP, SVN, CVS, GIT, Clustering, Virtualization with Xen, VMWare, Virtualbox, OpenVZ and many more services in production environments. I am also very proficient with bash scripting to automate numerous server administration tasks.

Associated with: AerieWeb Technologies

100% Job Success
$22.22 /hr
6,406 hours

Tigran Tokmajyan

Tigran Tokmajyan Agency Contractor

Senior Developer

Armenia - Tests: 9 - Portfolio: 15

Software Engineer for more than 8 years. Currently software engineer at the Elance-oDesk company. Languages - PHP / JavaScript / Node.JS / Java Frontend - Angular / jQuery / Twitter Bootstrap / HTML5 / CSS3 Databases - MySQL / PostgreSQL / Redis / Lucene / Neo4J / MongoDB Frameworks - Symfony2 / Zend Framework 1 & 2 / Drupal Technologies - XMPP / Comet programming More than 2 year experience in large-scale educational social network. Was leading team of 5 Software Engineers.

Associated with: CodeCoast

100% Job Success
$45.00 /hr
4,107 hours

Sebastian Emilio Narvaez

Sebastian Emilio Narvaez Agency Contractor

Expert PHP dev and GNU/Linux Sys Admin, Mysql, Symfony, Javascript

Argentina - Tests: 1 - Portfolio: 1

7 years experience as PHP Web Developer. Reliable and competent service. I'm expert in LAMP platform (Linux/Apache/Mysql/PHP). My focus is on free software tools and frameworks. Good background in Object Oriented Programming and Databases from my years in the university. I have experience with: PHP, Symfony, SugarCRM, Python, Web Services, SOAP, JQuery, Ajax. Also, I'm a GNU/Linux system administrator, mostly installing/configuring websites with Apache, Drupal, Wordpress, Firewalls, shell scripting and automation. I work with Debian GNU/Linux and Emacs in a daily basis. I am a native Spanish speaker. Some of my works: Adaptation of SugarCRM (PHP) with Asterisk IVR, Web Services and other requeriments for Contact Center of an important Bank in Argentina. A clone of youtube and social sites in PHP for a Marketing agency. Bug tracker and other web apps made in Symfony framework. I also have knowlege of: Smalltalk, C, Assembler, Networking, Software Engineering concepts, UML diagrams, ER diagrams.

Groups: Bluehost Developers and Designers

Associated with: PoweredByGnuLinux

100% Job Success
$27.78 /hr
7,443 hours

Ann VanVooren

Ann VanVooren

Access DB Design/Programming

United States - Tests: 1

My goal is to find sideline work helping with small database projects. I have written databases in Paradox and Access for employers, some of which were for a single person use, others were shared. I wish I could show you, but the code I wrote is no longer available to me. I currently have Access 2007 installed. I also have 20 years of general business experience that will allow me to quickly understand your business problem, and translate it into a solution.

100% Job Success
$13.33 /hr
2,476 hours

William Grzybowski

William Grzybowski

(Web)Development and Unix-like Consultant

Brazil - Tests: 7 - Portfolio: 2

Before I even go to university i started working with Web-development. My first experience was about 6 years ago with pure HTML using frames in Dreamweaver 3. Since then I have worked hard to improve my skills in every way possible, not just as a web-developer but as a general programmer, and now I work essentially with Open Source software like Python(+Django), PHP, Linux/FreeBSD, PostgreSQL, etc.My degree in computer science helped me to understand the basics of a computer from the bits in the processor instructions to multimedia, and thus can be used everywhere to improve the final result of a project.

$33.33 /hr
3,500 hours

Parijat Chauhan

Parijat Chauhan

Drupal Specialist ,Wordpress , PHP/MySQL , Laravel, Angular JS

India - Tests: 6 - Portfolio: 1

Develop high quality websites and work on bleeding edge technologies to make things easier and always interesting for self and make client's business boom by building high performance, high availability websites. Web development is my Life and Client Satisfaction improves it all the times..

100% Job Success
$22.22 /hr
3,070 hours

Roman T.

Roman T.

System administrator/Web optimizator

Russia - Tests: 6 - Portfolio: 1

Project management, magento development, magento speed optimization, mysql optimization, cacti, nginx, zabbix, openvpn, bgp, centos, debian, ubuntu, windows server 2003-2008-2012, MSSQL server, iis, asp, aws, amazon ec2, red5 installator, proxmox, mongodb, virtualization, proxmox, xenserver, openx, highload projects.

92% Job Success
$88.89 /hr
1,908 hours