Make things done! I'm a professional C/C++ developer with more than 12 years of experience. I have been working both for a companies from Fortune 500 list, and a small local companies. My core competency lies in the world of mobile applications, SaaS and PaaS, desktop software and games development. I love to do my work right and really enjoy being respected for the things i do.
Performance Tuning Job Cost Overview
Typical total cost of oDesk Performance Tuning projects based on completed and fixed-price jobs.
oDesk Performance Tuning Jobs Completed Quarterly
On average, 11 Performance Tuning projects are completed every quarter on oDesk.
Time to Complete oDesk Performance Tuning Jobs
Time needed to complete a Performance Tuning project on oDesk.
Average Performance Tuning Freelancer Feedback Score
Performance Tuning oDesk freelancers typically receive a client rating of 4.73.
I'm a self-motivated, reliable Linux System Administrator with strong work ethics. I have more than 6 years of experience, managing and analyzing hundreds of Linux servers. Certifications: • RHCSA: Red Hat Certified System Administrator • Linux+: Linux Certified Professional • Security+: Security Certified Professional Specialties • Linux Servers (CentOS, RedHat, Debian, Ubuntu); • VMware ESXi / vCenter; • Amazon AWS (VPC, ELB, EC2, S3, RDS CloudWatch, Auto Scaling); • Shell Scripting; • PHP/MySQL Programming; • MySQL Administration; • WHM/cPanel; • Server Migration; • Linux Maintenance/Troubleshooting; • Server Hardening; • Server Optimization/Tuning; • Highly Available/Scalable Servers • HAProxy Load Balancers • Web Servers (NGINX, Apache, IIS); • High Traffic Server Optimization; • Munin Monitoring; • Infrastructure Design and Implementation; • Colocation Management; • F5 BigIP Load Balancers, Cisco Switch, Juniper Firewall; • Providing Emergency Support (24x7) as needed • Server Pricing Negotiation (renting or buying); • Help with hiring developers and sysadmins; • Project management; • Team Player; • Languages (English, Portuguese and Spanish); and some more...
Tigran Tokmajyan Agency Contractor
Over 7 years of experience in: Platforms: VPS, EC2, Linode, Rackspace, Azure and DigitalOcean Linux: Ubuntu, Debian, CentOS Web servers: Nginx, Apache, PHP-FPM, HHVM, Memcached and Varnish Databases: MySQL, MariaDB, Percona Control panels: WHM, cPanel, Plesk, Webmin, Webuzo, Ajenti CMSs: WordPress, Joomla, Drupal, Magento, phpBB Mail: Exim, Sendmail, Postfix, deliverability Monitoring: Piwik, Munin, Monit DevOps: Vagrant, Docker, Puppet Advanced AWS setups, S3, RDS, ELB, Route 53, VPC Migrations and backups Server performance tuning and page speed optimization Reducing costs
MODx Revo/Evo developer. Over the last 9 years of working in web developing industry. I have experienced as team working (including team leader position) as well as independent freelancer. Now scope of my professional interests range from light-weight web sites to highload portals and startups. In recent years I'm developing sites mostly based on MODx CMS/CMF, but i also worked with other frameworks: Zend Framework, osCommerce, UMI.CMS, Bitrix, WordPress, Joomla and about 3-5 self-made nameless CMS. Also I have strong expirience in integration of 3rd party applications, payment systems API (Card gateways, PayPal, SMS gateways, WebMoney, Yandex.Money, RBK.Money, Money[at]Mail.ru, Qiwi), websites optimization (according to GTmetrix and Google Page Speed Test). In addition, I possess high-quality 2 years expertise in software and web testing. At your service!
- Linux maintenance/troubleshooting (RHEL, Centos, Debian), - Cloud hosting (Amazon EC2, AWS, S3, Digital Ocean), - Networking (dhcp, DNS:powerdns/bind/named, vpn: openvpn/pptp, firewalls: iptables/ipfw, qos, proxies), - LAMP/LNMP Stack - Mail servers (exim, postfix , antispam/ antivirus: clamav/spamassassin/amavis, courier, dovecot), - Bulk marketing (DKIM, SPF,DMARK,ADSP, high speed/inboxing, Interspire, PowerMTA), - Automation (puppet, shell scripting), - Automation Deployment (Capistrano) - Monitoring (nagios,Icinga, zabbix,Cacti,Graphite), - Magento System Performance Optimization - Wordpress Performance Optimization - Mysql Perfomance Optimization, Replication - Full Disk Encryption / Remote Unlock /PXE unlock (Luks/DiskCryptor) - Load Balancer (haproxy)
Super discounted hourly rate - $19 - to the first two clients that offer me a job that involves Ruby or Python. Over 250 happy clients. Ideas man, innovation expert and one man think tank! The BOOST to productivity. Big hitting programming veteran rocking out hard to code everyday. I build fast loading websites that bring in more revenue. Comprehensive knowledge of XML based document publishing systems and well versed in PHP 5. Ex Adobe Coldfusion programmer. Junior Pythonista! Ruby Wannabe! XPath Superhero! 24/7 365 IT Nerd and Digital Nomad. A past school chess prodigy. Electronic dance music enthusiast. Science Fiction / Fantasy fan. I am currently placed in the top 1000 programmers on Codewars - https://www.codewars.com/users/Beast - where I am mainly doing coding challenges in Ruby but overall attempting to learn all 7 current languages they are offering. As I progress through the challenges I am learning more about core Ruby, so far mainly the String and Array Classes and the Enumerable Module Currently working for three USA based companies / government departments some indirectly - one in California. All these jobs involve some form of document publishing. Some software / technologies that I have worked with - Ecrion XF designer, Altova XMLSpy / Stylevision, oXygen XML editor, Stylus Studio, XEP, Xalan, Saxon, Apache FOP, Ibex, xsltproc, EXSLT, MSXML, MSXSL, Scalable Vector Graphics (SVG), Orbeon XForms, Docbook (Authoring and XSLT), DITA OT, HL7, FMPXMLRESULT, WordProcessingML, SpreadsheetML, eXist Native XML database with XQuery Update, BaseX, XProc - An XML Pipeline Language. Interested in working with MongoDB, XQuery, JSONiq, MarkLogic, Phalcon PHP, Yii Framework, NoSQL, HHVM, Zend Framework, AngularJS, Big Data, Rails, Django, Zope, Plone, Altova server products (Raptor XML, Flowforce, MapForce, Stylevision) - come on make me a job offer! I have an iMac running OS X Yosemite, 2 desktop PCs running various linux distros, a Lubuntu laptop, a Samsung Galaxy Note 2 KitKat mobile phone, a Samsung Galaxy Tab S 10.5 running KitKat, a Microsoft Surface Pro 2 Tablet running Windows 8.1 and a Firefox OS based mobile phone. When I am awake all my notifications get sent to my Samsung Gear 2 smart watch. In my spare time I like to stream movies and TV shows to my Apple TV and my Google Chromecast, well that's when I'm not learning Ruby or doing challenges on Khan Academy or similar sites. Do you remember those 1980's style left to right arcade games where when you got to the end of the level you had to try to defeat the big boss and then at the end of the game you had to fight the super boss? Well thinking along those lines, I am the undefeated super boss programmer looking for my next elite coding challenge! http://www.newyorker.com/magazine/2014/11/24/programmers-price "Working hard. Aiming to be the best. This is my dream. This is my journey!" - Milos Raonic
I am a young HR professional with educational background in Psychology and Human Resources Management. I work in the field of executive search / headhunting and recruitment for expert-level and middle management positions. I have some experience in conducting industry research and market mapping, approaching potential candidates, interviewing and profiling, as well as some exposure to training and development activities and assessment. I would like to develop myself professionally in the field of organizational development / business consulting.