IT & Networking Administrators

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Volodymyr Kolesnykov

Volodymyr Kolesnykov Agency Contractor

Web/Software Developer, LAMP Admin with 25+ Yrs of Experience

Ukraine - Tests: 32 - Portfolio: 20

Senior developer/project manager, with over 19 years experience, who specializes in web (PHP/MySQL/(X)HTML/CSS/AJAX/JavaScript/XML and everything web-related) and software (C/C++/Qt) development and system administering (Linux/UNIX, security, monitoring, optimization, fine-tuning, cloud computing).Over the past years I have worked in consulting environment and implemented a multitude of web solutions, for a number of clients, on time and on budget. I am a team player (although can work alone) capable of learning quickly and becoming a valued member of any team. I am always searching for an opportunity to expand experience, learn something new and work on challenging and interesting projects.I do not fear any difficulties, can work under time pressure and strive for superb quality of everything I do (this means scalability, code quality and cleanness, strict adherence to standards etc). If you have an interesting project and you want to have it completed in workmanlike manner, you are always welcome!My credo is "Everything worth doing worth doing well" — I always do more than you expect.

Groups: Bluehost Developers and Designers, Kohana...

$33.33 /hr
11,290 hours

A K M Mokaddim

A K M Mokaddim

Shiplu, Software Architect, Bug Specialist (OOP, C, Python, PHP, JS)

Bangladesh - Tests: 11 - Portfolio: 5

Over the last 10 years, I have developed a wide range of softwares using PHP, MySQL, ASP.NET and Perl. I have build sites for startup companies and large businesses. My core competency lies in complete end-end management of a new software development project, and I am seeking opportunities to build softwares from the ground up for you or your business. I have some experience in the following areas: C/C++, Python, PHP, JS, software design and system architecture. I also have experience on software performance optimization and server technology.

Groups: Kohana

$24.44 /hr
1,650 hours

Shaz O.

Shaz O.

Result Oriented Web Application Developer:PHP/PERL/Catalyst/JAVA/MySQL

Australia - Tests: 10 - Portfolio: 1

I am English speaker with excellent communication skills in both written and verbal. I will bring value to your business because I am a highly motivated individual who enjoys challenge and who delivers job on time. I am a cross-platform Web and Application developer with over 10 years of experience. I have developed websites utilizing XHTML, CSS, PHP, Perl/ Catalyst/DBIx and MySQL in open source stack such as LAMP and WAMP. I also have experience in Microsoft SQL, IBM DB2, Oracle, JavaScript, jQuery, JSON, Ajax, Java, JSP, J2EE, and in software design and testing.

Groups: Article Samurai, AWeber...

$22.22 /hr
340 hours

Pawel S.

Pawel S.

Expert Javascript Programmer

Poland - Tests: 16 - Portfolio: 5

Javascript/PHP programmer with 9 years of experience. MSc degree in Computer Science. I have experience in object-oriented design of web applications and building them using technologies which suit best the purpose. I have worked with Tizen mobile applications, jQuery Mobile, Kohana, Wordpress, Magento, Joomla, as well as with custom frameworks and systems. I speak fluent English and communication skills are my strong side. I also speak Italian communicatively.

Groups: AWeber, BigCommerce...

$49.00 /hr
2,362 hours

Pawel S. Agency Contractor

Windows and Linux Server / Network Administrator with Cloud Experience

Poland - Tests: 20 - Portfolio: 2

I'm a system administrator with over 9 years' experience in Linux RedHat/CentOS, Ubuntu/Debian, Amazon Linux, Database Administration (PostgreSQL, MySQL), Network Administration. I'm an expert in creating Highly available/High loaded systems with full automation by Puppet/Chef/Ansible/Capistrano. I have extensive server and database knowledge, and excellent troubleshooting & analysis abilities. Strong leadership and communication skills. Last 7 years I have engaged in system administration using Apache2, Nginx, PHP, Ruby, Python, MySQL and PostgreSQL including sites for startup companies and small businesses. Extensive experience in the deployment of sites and projects of varying complexity, and I am seeking opportunities help you to build your business. For the last 7 years I have been handling systems administration using Apache2, Nginx, PHP, Perl, Python, MySQL and PostgreSQL, including websites for start-up companies and for small businesses. I possess extensive experience in the deployment of websites and with projects of vast complexity, and I am seeking new opportunities. I will do my best to help you build your business. I have great experience in: ✔ Linux maintenance/troubleshooting: Debian, CentOS, Ubuntu, RHEL (RedHat), Gentoo, ✔ Apache2 + Nginx, Nginx + PHP-fpm, Nginx + PHP-fastcgi, Lighttpd, LiteStep, MySQL, PostgreSQL, MongoDB, Redis, Varnish, Memcached, ✔ Linux serverside: iptables, rsync, fail2ban, bind, OpenVPN, ✔ Mail server: Exim, Postfix, Sendmail, Dovecot, Courier, ✔ CloudHosting: Digitalocean, RackSpace, Amazon (e.g. EC2, AWS, S3), Linode, GoDaddy, ✔ Hosting providers: Softlayer, Hetzner, ✔ Backup/Migration, ✔ Hosting panels: Plesk, WHM\cPanel, ISP, DirectAdmin, Virtualmin, ✔ Virtualization: Xen, KVM, OpenVZ, Proxmox, ✔ Monitoring: Zabbix, Munin, Cacti, Nagios, OpManager, ✔ High-Ability: Linux-HA (Heartbeat, Peacemaker), ✔ CMS: Wordpress, Drupal, Magento, Joomla, Prestashop My motto: Dependability and quality of service.

Groups: Application Developers Alliance, Kohana...

$40.00 /hr
219 hours