Network & System Administrators

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Dmitry Gorlov

Dmitry Gorlov

Linux Admin / Oracle certified professional

Russia - Tests: 11 - Portfolio: 1

Under construction... I start my IT career since 1992 using FoxBase by IBM-compatible 286AT computer. Today my phone have more powerfull CPU :-) In Linux from 1997, begun from Redhat 6.0 In Oracle from 2003, begun from 8.1.7 10g OCP Certified in 2007. Microsoft MCP in 2007.

100% Job Success
$20.00 /hr
445 hours

Alexey K.

Alexey K.

Certified BI/DWH/ETL Architect/Developer

Russia - Tests: 8 - Portfolio: 5

Quality. Punctuality. Attentiveness. Have completed BI/DWH/ETL projects based on Cognos BI, Oracle BI, Cognos TM1, MS SQL, MS SSIS, Pentaho Kettle, Oracle DB as architect/developer. Also have experience in DBMS programming/administration, Unix/Linux system administration, shell scripting, etc.

$27.78 /hr
108 hours

Sergey P.

Sergey P.

VoIP and Linux Engineer

Russia - Tests: 5

OS: linux (gentoo, debian, centos ...), FreeBSD over 10 years using/administration Lang: perl, lua, shell (java, ruby, erlang studying) VoIP: asterisk, freeswitch, gnugk, kamailio/ser (over 7 year administration) PBX: Si2000 (v.5), Definity administration (SS7, ISDN) DB: mysql, postgresql Sec: DMVPN, IPsec, OpenVPN Publish: LaTeX

100% Job Success
$30.00 /hr
76 hours

Martin L.

Martin L.


Bulgaria - Tests: 8 - Portfolio: 5

Over the last eight years I have been involved in the development of web (Internet and Intranet) projects using PHP and part of my work in the last four years was to maintenance high available SQL and noSQL databases - to architect and optimize their structures and queries. Also I'm server administrator with 6+ experience with Linux ( Slackware 6-13, CentOS 4/5/6/7, Fedora, RedHat, Ubuntu, Debian). My skills include, but are not limited to configuring of network and firewalls, web servers (nginx/lighttpd/apache), databases (MySQL and MySQL Cluster, MariaDB, Percona, MongoDB full shareded and replicated clusters, Redis, Memcache and MemcacheDB clusters), message queue servers (RabbitMQ clusters and MemcacheQ), Elasticsearch, Haproxy, GlusterFS Clusters, NodeJS apps, KeepAlive HA clusters. DevOps experience with CoreOS, Google Cloud Compute, Amazon, Docker, Puppet and Ansible.

70% Job Success
$44.44 /hr
2 hours

Daniel Ostrovsky

Daniel Ostrovsky

Senior FrontEnd Developer

Israel - Portfolio: 4

7+ years experience in UI development for web applications. Perfect CSS, HTML, Javascript and JQuery skills. Strong understanding of PHP, Smarty, MySQL. Experience in creating cross-browser. Knowledge in using Photoshop. Solid understanding of web technologies and web applications. Fast learning, teamwork, creativity, problem solving, responsibility, resourcefulness, technical and technological skills. Specialties Languages and frameworks: HTML4/5, DHTML, CSS2/3, JavaScript, MooTools, JQuery, AJAX, XML, PHP, Smarty. Graphical tools: Adobe CS4/5, (Flash, Photoshop, Acrobat). Balsamiq Studios.

$55.56 /hr
8 hours

Bruno Gola

Bruno Gola

Python Programmer and GNU/Linux System Administrator

Germany - Tests: 1 - Portfolio: 2

I'm mainly a Python programmer and GNU/Linux / *nix system administrator. I have experience as a C programmer as well. I have experience with web programming and also with audio (ladspa/lv2 plugins and hosts), working for the project. I enjoy writing system/utility scripts, (chat) robots and web crawlers as well.

$33.33 /hr
0 hours

Hasham Malik

Hasham Malik Agency Contractor

Highly Experienced Rubymotion & Ruby on Rails Developer

Pakistan - Tests: 5 - Portfolio: 6

With over the decade of experience in developing and maintaining successful web applications, I have developed deep expertise in delivering and maintaining high quality well tested code written in cutting edge web technologies. I have been writing Ruby on Rails applications since 2005 as a core technology. I like to write applications with comprehensive test coverage and using TDD/BDD. I also specialize in high availability deployments on various cloud platforms. I can communicate well in English and would love to report progress frequently. I have expertise in these technologies: Languages: Ruby, Python, Javascript Frontend: Haml, Jquery, AngularJS, Knockoutjs, Sass Frameworks: Ruby on Rails, Sinatra, Flask, PhoneGap Persistence: MySQL, Postgresql and MongoDB Testing: Rspec, Cucumber & Jasmine Deployment: Capistrano, AWS, GAE

Associated with: Zen of Ruby, Ballista Labs

94% Job Success
$30.00 /hr
160 hours