I am a Top (very efficient) remote Java Developer/Architect with more than 10 years in IT. Hibernate, Spring, Maven, Bamboo, Git, Linux, Cloud, Scrum, etc. Basically it is about any ORM, Injection, Continuous Integration combination of project setup and architecture. And I am looking for a long term contract/relations on a challenging project. Meanwhile I can do some short term tasks. Fixed price is preferred.
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Over the last nine years I have actively engaged in designing and implementing VOIP telephony related infrastructure which involved in installation, provisioning and commissioning of highly complex VOIP solutions using Asterisk, A2billing, Elastix, Asternic, PIAF, Trixbox and Amazon AWS cloud telephony, Azure, HP Cloud, Rackspace and Digital Ocean Asterisk telephony installation. Provides call centre solutions using Asterisk, A2billing and Asternic. G729/G723 codec installation also Genband C3, Genband G9, Genband T800, Genband S3, Nextone VOIP Support.
I am from Rostov-on-Don, Russia. I have a diploma in mechanics, mathematics, and Computer-science, as well as 4 years of full life cycle software design, development and maintenance. My experience makes me an expert in Objective-C, iOS SDK, Java, Android SDK, Delphi and best practices. I able to jump into any project to fulfill any unexpected vacancy to drive the project to completion on time and within the budget. Over the past few years I have successfully developed and published many applications for Apple Appstore and Google Play. This illustrate my performance, responsibility, and high level of interest. Separately, I would like to give a list of names of known things that I well know how to use: ✔ Objective-C, ARC, Cocoa Touch, Foundation Kit Framework, UIKit Framework, iAd Framework, MapKit Framework ✔ CoreData Framework, SQLite, SQL ✔ AVFoundation, OpenGL, OpenAL ✔ CFNetwork, HTTP, SOAP, JSON, XML, REST, TCP/IP, UDP, SSL ✔ CoreLocation, Push notifications, Zlib, threading. Now I'm ready to turn your ideas into great mobile apps and to find a long-term partnership. Please contact me if you are interested.
I want to utilize my knowledge, skills and professional experience in order to contribute to the growth of the company I am working for whilst improving myself. SKILLS:network engineer ,system administrator(RedHat,CentOS,FreeBSD,OpenBSD,WIndows 2000,2003 server), cisco certified specialist(CCNA) Configuration of CISCO routers and switches,firewalls,servers:cisco 36xx,65xx, series,ASA firewall 55xx series, Implementation , configuration,design ,troubleshooting of basic routing protocols(BGP,EIGRP,RIP,OSPF,QoS,MPLS,HSRP,VRRP,GLBP) , Security: IPsec and many vpn solutions,certificate setup 1 Web servers - Apache 2.x,nginx,Squid proxy 2 Mail servers -Postfix,qmail ,sendmail,Mdaemon 3 FTP servers -WuFTPD,Vftpd 4 DNS –bind version 9 ,VPN (Openvpn, IPSEC implementation ) 5 DATABASES-Sql,mysql,postgresql,sqlite 6 LVM ,RAID(0,1,5,10) configuration 7 Experinece in network monitoring tools:Nagios,MRTG ,Cacti
Since 2001, I have been dedicatedly working with Linux Operating Systems & Open Source. Services Provided ::- Deployment, Configuration, Security, Hardening, Monitoring, Performance Tuning, Troubleshooting of Linux Server Roles AWS – Amazon Web Services Migration of Servers Hosting Panels like WHM/CPanel, Plesk etc Asterisk Dialers, VOIP and Call Center Solutions Customization of Linux Kernel & Distro with Rebranding Faculty of Post-Graduate Degree in Computer Sciences. Firewalls & Gateways Linux HPC - High Preformance Clusters Remote Server Support & Troubleshooting L3/L4 Security Auditing of Servers & Websites Cloud & Virtualization Technical Writing VPN - Site-to-Site, Road-warrior Vulnerability Assessment & Penetration Testing Kayako
I am having 5 years of experience in webhosting support and remote server administration. I have bachelor of technology degree in computer science and engineering and RHCE certification Operating systems : CentOS,RHEL,Ubuntu,Debian, Windows 2003/2008/2012 Virtualization : VMWare , HyperV, Xen , Virtuzzo Control panel : cPanel, Plesk Services : DNS,Database server, Mail servers, Web servers , FTP servers Bind,MySQL,Exim,Qmail, Postfix,Apache, Nginx,Tomcat,IIS6,IIS7,IIS8 , proftpd, pureftpd,Microsoft FTP. Firewall : iptables,csf,apf Tasks : 1. Troubleshooting server related and site not loading issues . 2. Initial server setup 3. Monthly server security audit. 4. Install packages and third-party software in the server. 5. VPS creation and setup. 6. Backup 7. Migration 8. Monitoring . I enjoy fixing server issues and managing servers.
I’m an independent consultant focused on: Linux and Open Source. Infrastructure development Worked mainly in the web-hosting area, my key accomplishments are listed below. I have more than 7 years of experience working with Linux and Open Source, providing solutions for small, medium and big companies. I have strong knowledge in Web server (Apache, Lighttpd, Nginx, PHP, Perl, Python..), Mail server (Sendmail, Qmail, Postfix, Zimbra...), DNS (Bind, Power DNS...), Firewall, Network, Database (MySQL, noSQL: couchbase...), load balancing (HaProxy, LVS..),web-hosting panels (CPanel, Plesk,DirectAdmin). However, my knowledge is not limited in these areas. My specialties are: - EC2 / Rackspace Cloud computing setup (incl. EC2/Rackspace API scripting) - Virtualization (KVM, Xen, OpenVZ/Virtuozzo) - Sites/Servers migration (Wordpress, CPanel, Plesk) - Shared file systems (nfs, drbd, ocfs2, gfs) - Server security (VPN, firewall, IDS) - Server performance optimization (Apache, Nginx, MySQL) - Email white-listing, spf, high load delivery, performance - Backup, shell scripts, etc. My core competency lies in complete end-end : + Setup Apache Tomcat ,PHP's Pear Package Manager ,Postgre SQL .... + Install Ruby on Rails on an Debian 7.0 (Wheezy) VPS using RVM + PHPMyAdmin MySQL database manager + Ioncube setup on LAMP ,LEMP , WAMP , MAMP + Setup Ruby 4 on Ubuntu 12.4 LTS + Install Rails, Apache, and MySQL on Ubuntu with Passenger + OpenEmm setup on CentOs 6.0 64bit + Administrate VPS and dedicated Server + Setup Sugar CRM and Zoho CRM workflow and modules. + Good experience with WordPress eCommerce site + Good skills with CMS and Joomla. + Proxmox Cluster setup and HA , VM Creation,update, Migration. + Sheepdog Storage cluster setup. + Media server setup with red5 , oflademo I reply to all emails and requests in a very prompt fashion and don't forget to update my clients about the progress before going off-line.
Yaroslav Pogrebnyak Agency Contractor
Artem L. Agency Contractor
Skills included, but not limited to: - AWS, WHM, Cpanel, HSphere, Plesk control panels installation, recovery - Apache, Nginx, PHP CGI, APC, php-fpm, Varnish - MSSQL 2000-2012, MySQL, MariaDB, percona pxc, Galera. - Sites migrations between hostings - IIS 6.0/7.0/7.5/8.0 configuration / troubleshoting - Windows software installation/troubleshooting - DNS configs: bind, nsd - Server administration / RHELL(CentOS), Ubuntu, Debian, Win Server 2003/2008/2012 - PHP-Mysql scripts installations and fixing issues with them(Joomla, wordpress, oscommerce, zencart, drupal) - web security(fixings sites after they are hacked, finding security breaches, cleaning code from malware injections) - Monitoring: Nagios, Munin, Zabbix - WSUS server I have also a lot of knowledge fixing issues with sites written in HTML, PHP.