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Last updated: October 1, 2015
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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

Petr B.

Petr B.

Senior Developer, Consultant

Russia - Tests: 5 - Portfolio: 2

I have strong background in UNIX/Linux software development, Master's Degree in Computer Science. I worked on Enterprise high-load distributed hosting automation systems as a Team Leader (3.5 years in SWsoft, Inc., now called Parallels). For the last 6 years I'm running my own small software development business in Russia with primary focus on Python/Django apps. Not pure Web but often involving integration with hardware (Proximity Cards, Sensor Screens) or external systems like Payment Processing, SMS Gateways, GABRIEL (Airline Reservation System), etc. I can take an idea and turn it into a working business, through all the intermediate stages. Also I have experience of investing my own funds in my projects, so I feel the difference between "perfect code" in a month and "good enough" code that increases the revenue right now. Nevertheless, my code is very good: no copy-paste, always written with performance, flexibility and security in mind, etc. On oDesk I'm looking for (and actually find :) interesting projects with a sight on long-term fruitful cooperation. I'm also open to smaller activities (e.g., consulting) where my knowledge can be helpful.

Groups: Coding Champs

100% Job Success
$40.00 /hr
1,737 hours

Diego Gutierrez

Diego Gutierrez

Systems admin, DBA, developer, application architect

Argentina - Tests: 19 - Portfolio: 2

During my 20+ years of experience, I've gone through several different IT roles: developer, analyst, database designer, database admin, systems administrator, network designer, team leader, architect, CTO. This background allows me to understand all aspects involved in application development, being able to design a complex multi platform app from the ground up as well as help troubleshooting an existing app's problems or weird system behaviour.

100% Job Success
$33.33 /hr
4,734 hours

David Losada

David Losada

Cloud operations and devops consultancy

Spain - Tests: 10 - Portfolio: 4

I am an experienced IT professional with background in system administration and backend development. I take satisfaction in building and running information systems which optimally serve their purpose. Nowadays, I am excited about the possibilities of cloud computing and the great positive impact that well managed devops have in a project. Because of my experience and my passion for powerful and positive changes, I am confident that you will enjoy working with me! My services are catered towards small to medium organizations running websites or Internet applications. My target is to deliver efficient and tightly integrated solutions. Experience on automated medium-scale complex deployments, configuration management tools (Puppet, Chef, ansible) and the full range of AWS infrastructure services. Over the last years I have occupied several positions and taken part on a range of projects. My skills cover software design, development, infrastructure planning and system administration.

$77.78 /hr
2,336 hours

Ashish Dwivedi

Ashish Dwivedi Agency Contractor

Full Time SugarCRM Developer

India - Tests: 3 - Portfolio: 1

Hardcore SugarCRM Developer , results to quick delievery. From Last 5+ years , I had worked for SugarCRM Customizations with Code as well As Studio. I had also expertised in Integratiion of SugarCRM with WordPress or simple html forms Using SOAP/REST. Importing Data from Act! , CSV is also key part of our work. Extensive PHP practices , Jquery UI , Complex Object Oriented Models , Working Sugar with Apache , IIS , MySQL , SQL SERVER are crucial facts of our variety of our implementations. I also have expertised in Gmap integration with sugarcrm. As Reporting is key part of any Sugar Systems , I trust to use Zucker, kinamu or custom php script with different output formats like xml , csv , xls , html , pdf etc. thanks for reading this . Ashish

Groups: Bluehost Developers and Designers

Associated with: Innosugar Pte. Ltd., InnoSugar

77% Job Success
$40.00 /hr
1,648 hours

Minh N.

Minh N.

Server Admin/Linux/Unix/AWS Ec2/ Nginx /WordPress/Magento/Odoo

Vietnam - Tests: 7 - Portfolio: 18

I have been Server Admin and Web Developer for over 10 years, I worked with many top-rated websites all over the world. I am expert with LEMP and LAMP system, very good at speeding up servers and sites. For some personal reasons, I MOVED back to Vietnam. I am also working at Elance and Freelancer. If you need references, please don't hesitate to contact me. Security Portfolio: Hall of Fame: - Linux maintaince/troubleshooting (RHEL, Centos, Debian, Ubuntu, FreeBSD, gentoo, Mac OS X Server) - Windows Maintaince / Troubletshooting (Windows Server 2003-2012, Hyper-V, Lync, SharePoint Server 2010-2013) - Virtualization: (Vmware Esxi 5.x, Openvz, Virtuozzo, Xen, KVM, Vserver) - Cloud hosting (Amazon EC2, AWS, S3, RDS, simple Cache) - Networking (dhcp, DNS:powerdns/bind/named, vpn: openvpn/pptp, firewalls: iptables/ipfw, qos, proxies, tcpdump) - Web servers (apache, nginx, lighttpd, tomcat, ssl installation and troubleshooting) - Caching ( apc/xcache/memcached/varnish/nginx) - Load Balancer (Nginx/Haproxy/Hardware LB) - Mail servers (exim, postfix, qmail, antispam/ antivirus: clamav/spamassassin/amavis, courier, dovecot) - Bulk marketing (Dkim, spf, high speed/inboxing, interspire) - Automation (puppet, perl/shell/awk scripting) - Monitoring (nagios, zabbix, munin) - Hosting Control Panels (Cpanel/WHM, Plesk, Directadmin, ISPconfig..). - Mobile Application (Android / iOS / Windows Phone)

Groups: Bluehost Developers and Designers

91% Job Success
$33.33 /hr
1,989 hours

Nasrajan J.

Nasrajan J.

PHP Expert , Project Management Consultant

India - Tests: 10 - Portfolio: 13

I am Zend Certified PHP 5 Engineer. Over the last 12 years, I have developed and administered websites using LAMP technologies and tools including - xHTML, HTML5, JavaScript, CSS, Ajax, MySQL, PostgreSQL in platforms like UNIX, Linux and Mac OS X. I am passionate about open source and am familiar with a large number of open source software and technologies. My core competency lies in understanding the goals of the website in detail and converting it to a full- fledged cost-effective product with faster turn-around time. I also have the following skill sets. Expert in Search Engine Optimization. Strong in Object-Oriented Analysis, Design & Programming and technical documentation in Unified Modeling Language (UML). Strong Linux system administration skills, especially LAMP administration and troubleshooting. Experience working in agile environment. Strong project management skills and leadership abilities.

Groups: Zend Certified Engineers

100% Job Success
$30.00 /hr
3,796 hours

Andres Montalban

Andres Montalban Agency Contractor

Cloud Architect / DevOps Engineer / Senior Linux Sysadmin / AWS

Uruguay - Tests: 6 - Portfolio: 3

Over the last 10 years I have worked with World Class IT Infrastructure configuring, deploying and maintaining routers/firewalls/servers all over the world using the most recent technologies. In the following list you will find my knowledge in the computer and network technologies: Linux servers and desktop administration Apache web servers running in Linux, Windows and Unix (FreeBSD/OpenBSD) Mail servers configuration/administration using qmail, Postfix and Exim Good experience with Cisco routers, switches and firewalls (PIX) DNS servers administration using BIND Control panels knowledge, Plesk, Cpanel, Virtualmin, H-Sphere OpenVPN client/servers configuration Untangle configuration/setup Asterisk setup/configuration using Asterisk source or using fully customized installations like Elastix Services and server monitoring using Zabbix, Nagios, BigBrother and Cacti Database servers using MySQL/MS SQL/PostgreSQL Windows 2000/2003 configuration/administration for AD purposes, Exchange Mail Servers, WWW/DB servers Samba deployments using LDAP backend to store user information Experience with Linux Clusters using Heartbeat and Linux Virtual Server NAS, iSCSI, SMB network storage knowledge. I have experience with FreeNAS and Openfiler Experience with IBM Bladecenter S using HS12 and HS21 servers, from build to put the servers in production using Gentoo/Samba/LDAP/GoSA and Asterisk for the HS12 OpenWRT installations and configuration using Routerboard/PCEngines embedded PCs pfSense configuration/customization I have installed Wordpress, SugarCRM, V-Tiger, OTRS, Zimbra, Roundcube, and many others open source software in production environments

Associated with: Global IT Solutions Agency

100% Job Success
$44.44 /hr
1,878 hours

Victor ernesto de las montañas O.

Victor ernesto de las montañas O. Agency Contractor


Bolivia - Tests: 5 - Portfolio: 3

I am a hard worker person, who can do whatever task, I have been working in several projects like Web and Windows applications for the last 6 years. I am good at understanding the requirements and implementation, also i offer low-cost and high-quality applications. I have solid experience in .Net Framework, C#, PHP, ASP.Net, MVC, Laravel, Telerik UI, DevExpress Components and SQL Server and MySQL databases, Bootstrap, Jquery, HTML5, CSS3.

Associated with: PHP Business Group

100% Job Success
$18.00 /hr
1,027 hours

Arunoda Susiripala

Arunoda Susiripala

Full Stack Web Developer (Java, PHP, JavaScript, NodeJS, HTML5)

Sri Lanka - Tests: 2 - Portfolio: 8

Full Stack Web Developer with the expertise on Java, PHP, NodeJS, JavaScript and HTML5 with CSS3. Expertise on building scalable distributed systems. Here is the list of technologies/tools I'm excellence at: * Server Side: PHP, NodeJS, Socket.IO * JVM Languages: Java, Scala, Clojure * Client Side: JavaScript, CSS3, HTML5, jQuery, Web Sockets * Databases: MySQL, MongoDB, Redis, CouchDB * Designing: Bootstrap, Responsive Designing, SVG (with Inkscape) * Version Controls: GIT, SVN * IDE/Text Editor: Sublime Text 2, Eclipse * Sys Admin: AWS, EC2, S3, Heroku, Ubuntu * Distributed Systems: Puppet, Chef, Twitter's Storm, Hadoop, ZooKeeper * Audio Streaming: Shoutcast, Icecast (Protocol level development) * Other: Chrome Extensions Special Skills: * API Designing * NoSQL Schema Designing * Event Driven Programming * System Architecture * Serious about Web Security (CEH Qualified) * Good Team Player My Development Setup * OSX (Mac Book Pro 13') / Ubuntu * Dual Head Display (Laptop Screen with 23inch monitor) ------------------------------------------------------------------------------------ Once I tried to build my own dreams. Here are some of them * * * I build them technically but couldn't reach the market. I realized I love technology more than money. So I decided to help others to build their dreams :) I'm a believer in Open Source. here are some projects I have contributed - I blog at

100% Job Success
$83.33 /hr
1,125 hours