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Last updated: October 1, 2015

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Miguel Alfaiate

Miguel Alfaiate

Software Engineer

Portugal - Tests: 7 - Portfolio: 1

I have developed and maintain several web, desktop and mobile applications, using PHP and MySQL, C# and SQL and Android. I have experience with JQuery, HTML, CSS, Javascript, Linux and Windows operating systems, and other programming languages including Java and C. Experience in installing, configuring and maintaining windows and linux servers in both virtual and physical environments. Virtualization knowledge with VMware and OpenVZ.

$22.22 /hr
62 hours

Anton K.

Anton K.

+5 years exp in hosting industry; NIX/WIN servers config/tuning

Ukraine - Tests: 10 - Portfolio: 1

During the last 5 years I have been working in a company that provides a full range of hosting tech support. What does this mean? - quick and complete resolution of your problem. Why quick? - because a customer wants their site to be up and running 99.9% of the time. Why complete? - because if the issue is half-fixed now it may arise in the future and the customer will have to move to another provider who can solve the problem (you know hosting is a highly-competitive marketplace). All these factors are forcing me to have (or gain as fast as possible) a wide range of knowledge in system administration, programming, code debugging and customer relationship.

$16.67 /hr
74 hours

John bernard A.

PHP/MySQL Developer, Systems administrator, CakePHP Expert

Singapore - Tests: 3 - Portfolio: 2

For over 10 years, Ive work as a Linux Systems Adminstrator (WebHosting) and PHP developer. As a PHP Developer i have made same web sites that uses Static Sites, CMS driven Site, also frameworks such as CodeIgniter and CakePHP. As a Systems Administrator i work on several software such as CentOS, openVZ, Virtuozzo, Hyper-VPlesk, WHM, cPanel, webmin, Usermin, ISPConfig,Plesk. I can use this knowledge to render service to your company/business.

$16.67 /hr
130 hours

Sysop X.

Sysop X.

Linux,Unix,Amazon EC2 (AWS),Load Balancing,High Availability

Pakistan - Tests: 9

Working with Linux/Unix system for more than 10 years. During this time I have designed, managed and secured various Linux based systems for my clients. Projects involving Web servers, Proxy servers, DNS servers, Database servers, Cpanel/WHM, Firewalls, App servers, Shell Scripting and Automation, Virtualization, Load balancing, High Availability, Cloud computing, Amazon AWS and overall system Security. I have also worked with various Embedded Devices, designed Linux based OS for such devices and Reverse Engineered protocols and communications. ==== Skills ==== ## Operating Systems : RHEL, CentOS, FreeBSD, ubuntu, Debain, SUSE etc ## Linux/Unix Servers : Dedicated,Virtual Dedicated(VPS),Shared Hosting ## Cloud Infrastructure Setups: EC2, Rackspace, Eucalyptus, Nimbula, CloudStack, OpenStack ## Cloud Management Setups: scalr, rightscale, enstratus ## Virtualization Setups: XenServer, Vmware, RHEV, VirtualBox, KVM ## Server Migration: cPanel, Plesk, Webmin/Virtualmin, Wordpress, Drupal, Magento, Joomla ## Network Storage: NAS, SAN ## Network File Systems: NFS, GFS, GlusterFS, AFP, SMB, Amazon S3 ## Redundant Storage: Hardware and Software RAID ## Service Optimization: apache, nginx, MySQL ## Monitoring Setups: BB, MRTG, Nagios, monit, munin, cacti, zabbix, zenoss ## Automation: Standard and Custom Backup solutions and other shell scripting. ## HA & FailOver: Database, DNS and WebServer Clustering/Replication and Content Distribution (CDN) ## Email Setup: Mass Mailing, Spam Filtering, DKIM, SPF, SenderID, Amazon SES ## Network/Server Security: Authetication, Firewall, IDS/IPS, AntiVirus/AntiMalware, DMZ, VPN, Amazon VPC, Logging ## System Hardening: Kernel/Software Patches, upgrades, unix permissions and user access control, file integrity solutions etc ## Security Compliance: PCI, GLBA, HIPPA ## Incident Response: Dis-infection from rootkits, viruses, worms, trojans and other malware.

$33.33 /hr
20 hours

Oleksandr N.

Oleksandr N.

Senior System Administrator, Migration and Security L3 engineer, SSD

Ukraine - Tests: 20 - Portfolio: 16

YOUR POSITIVE FEEDBACK IS THE HIGHEST AWARD FOR ME ;) Will do my best to assist you in any questions and tasks you may have =) Here is some info about my experience. SUMMARY Specialties: Information Technology / Internet / IT Division / Computer security/ Internet Services / System Administration/ Webmaster Support / Web Analysis/ SEO / SEM / Internet Marketing Web hosting services (SSD hosting solutions) EXPERIENCE: d(-_-)b Linux/Windows system administrator, Operations team EuroVPS/WebDomSolutions January 2012 - May 2013 Greece, Athens Responsibilities: - Tickets; - System administration and monitoring. Theoretical and practical skills: - Operating Systems: RedHat/CentOS/Fedora, Debian/Ubuntu, FreeBSD, Windows Server 2003/2008; - Virtualization: Virtuozzo, OpenVZ, VMware, Onapp Xen, Apache CloudStack; - Setup/configuration: nagios, kayako, racktables, confluence, observium, nginx, php-fpm, liteSpeed, Apache CloudStack, Hostbill, WHMCS, redmine; - Control panels: Plesk, WHM Cpanel. - Database Administration: SQL Server, MySQL, MariaDB ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ <( -'.'- )> freelancer SEO freelance October 2010 - March 2012 (1 years 6 months) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ o(^_^)o System Administrator / Techsupport Webintellects/Webhostgian/Jumpline/Webdomsolutions November 2010 - March 2012 (1 year 5 months) US, Ohio Responsibilities: - Live Chat support, Tickets; - System/Server/Control Panel administration; - Nagios monitoring; - Internet research and work with technical documentation. Operating Systems: * RedHat/CentOS,Fedora * Windows server 2003/2008 * VPS setup and configuration (Parallels Virtuozzo Containers); Advanced theoretical and practical skills in such areas: - Operating Systems: RedHat/CentOS/Fedora, Windows server 2003/2008; - Virtualization: VPS setup and configuration (Parallels Virtuozzo); - Security: Advanced knowledge of Linux security, Firewalls ( IPtables, CSF, APF, BFD, Fail2Ban), Encryption ( SSL), SSH, Host Security Auditing; - Software: Apache servers (versions 1.3.x/2.2), DNS (BIND 9), QMail, Sendmail, exim, LAMP, Plesk/Exim/Cpanel (installing/upgrading/maintaining), Drupal, Wordpress, Joomla, OsCommerce applications, Yum/RPM usage; - Database Administration: SQL Server 2003/2008, MySQL, MS access. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ b(^_^)d Internet Marketing Specialist || Web Analyst DCoM Soft, Inc. December 2009 – August 2010 (9 months) Responsibilities: - Internet Marketing strategy and tactics - Information architecture and Web site content planning - Research of partners - Internet Market Research - Research Usability Design - Online promotion of company's web-based products Skills: - Search Engine Optimisation (SEO) - Paid online Marketing / Pay per Click Management (PPC) - SEO Copywriting/Editing - Social Media Optimization and Marketing (SMO/SMM) - Experience running USA-targeted social Marketing - Writing press releases - Social networking (Twitter, Facebook, Google follow etc) - Google Products, AdWords/AdSense, Google Analytics, Webmaster tools, Google Merchant, etc. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ \(^_^)/ Customer Relations Representative || Advanced Technical Agent Ecommerce, Inc. May 2007 – October 2009 (2 years 6 months) Responsibilities: - Sales, billing and technical support in solving problems reported by clients; - Chat, helpdesk system, correspondence; - View, Adaptation, "repair" clients' sites; - Basic server/service diagnostic and reports to sysadmin department; - Internet research and work with technical documentation; - Work in team. Basic theoretical and practical skills in such areas: - Linux / Unix OS, Windows server 2000/2003, Windows XP/98; - Servers: Apache, bind, sendmail, ProFTP, MySQL, SQUID / SOCKS, MSSQL, Samba; - Easy coding: PHP, PERL / CGI, HTML, JavaScript, CF, ASP,. NET, C + +; - Widely used protocols (HTTP, HTTPS, SMTP, POP, IMAP, FTP (s), TCP / UDP, etc); - HSPHERE control panel (versions 2.3 and 3).

100% Job Success
$32.88 /hr
1,535 hours

Aleksei Tcelishchev

Aleksei Tcelishchev

Web/Mobile Software Engineer/Developer

Russia - Tests: 5

grow up into independent successful Web/Mobile Software Engineer/Developer > from hardware power supply up to public social clouds > imagine future trends looking right now around the roots > growing up and supporting internet web projects and 'ria' apps > providing integration for different types of solutions > establishing links and designing overview Software: Programming and scripting languages: script - ECMAScript, VBScript, JavaScript, JS Frameworks (JQuery, KineticJS, libcanvas) server side - Java SE, PHP, python, sh/zsh/bash, awk/sed/perl Development and maintenance of web applications based on: WordPress, Joomla, Drupal, Symfony2 framework, Yii framework SQLite, MySQL, Memcache PHP, XML, XSLT, HTML, CSS/JavaScript Servers administration: AWS EC2 instances PBAS, HSPc, Virtuozzo, Plesk VMWare ESX/vSphere Apache, MS IIS, Tomcat Qmail, Sendmail, MS Exchange, MailEnable MS DNS, Bind MS Active Directory Nagios, Zabbix, Bacula Database administration: Oracle, Interbase, MSSQL, MySQL OS Administration: MS Windows (Desktop&Server versions) Linux (RedHat & Debian based distros) HP-UX, Solaris Hardware: Designing and developing IT infrastructures: Public Telephone Networks, VoIP complexes local and distributed networks various connection channels (LAN, ISDN, xDSL, WiFi, broadband) Buildling, configuring, installing, maintaining servers (HP, Sun, Intel, Dell, IBM), network equipment (D-Link, Cisco), workstations Diagnostics and removal of hardware problems Workflow: Gathering, analyzing and documenting tech requirements, development tasks, product description; software re-engineering Participation in official public correspondence and other communications Planning and estimating

93% Job Success
$18.88 /hr
238 hours

Dipesh S.

Dipesh S. Agency Contractor

Expert In Python/Django, Linux, PHP,ERP / CRM Implementation, EDI

India - Tests: 5 - Portfolio: 3

Over the last 6 years, I have developed wide range of open source software’s and customization for start up companies and small businesses. I provide the complete (predefined and custom defined) open source solution for each and every type of business with customization according to their work/business. I Will work with my team. Let me describe my skills. OpenERP :- 1.My expertise are in the field of Open source ERP such as OpenERP, OpenBRAVO, Open EduCat ERP, FrontAccounting, ERPNext, Tryton and Other Well Known product in market with having 2-3 of work experience in the reptated organization . Work in such organization helped to understand the Business Process of various industries like Manufacturing ,Retail etc. 2.Implemented more than 20-30s OpenERPs at client server along with the INTEGRATION ,CUSTOMIZATION, MIGRATION, DEVELOPMENT and PROFESSIONAL TRAINING. 3.I have implemented the efforts with different flavors, proven track record of delivering creative and cost-effective solutions with High Availability and Linux maintenance/troubleshooting in Linux (CentOS, Redhat, Ubuntu, Debian, Fedora, Suse. etc),Solaris, Veitas, SAN in ECM and Hitachi, Volume Manager, like Veritas, and SVM, Windows Server, VOIP Solution and Database Management. EXPERIENCE :- Have 5 year of experience in OpenERP. LINUX :- Linux: LAMP system administration, HTTP/HTTPS, DNS,FTP, NFS, SMB, SMTP, SSH, NTP,iSCSI, , natd, ipfw, pf, iproute2, RIP, OSPF, BGP, Asterisk, FreePBX, SIP, H323, ffmpeg, Vlc Quagga, Adobe Media Player, Red5, FFMPEG, SSL, ACL. Database management like MySQL, MySQLCluster, PostgreSQL, Oracle 10g databases, Oracle Application Server. Web Server like Apache, Nignix, Tomcat, Squid, Proxy, VPN, DNS, Zimbra, Cluster, Monitoring tools and Alerting system such as Nagios, Cacti, MRTG, Zimbra, xdmcp, vnc, rdp. Virtual Environment like vmware, OpenVZ, KVM, XEN, QEMU. EXPERIENCE :- Have 5+ year of experience in LINUX. My core competency lies in complete end-end :- 1. Open Source Installation, Development, Customization and Support 2. SAN in ECM and Hitachi, and Volume Manager, like Veritas, and SVM 3. Tools/Packages/Software development in Java, Ruby on rails, Perl, python 4. Asterisk & Freepbx, A2Billing, Calling Card Solution and ivr solution. 5. Linux Server Security, Vulnerability Scanning and Penetration Testing. 6. Administrate VPS and dedicated Server. 7. Administrate LAMP (Linux, Apache, Mysql, PHP) Server. 8. Apache: Audit, performance and load balancing. 9. Automated MySQL database backup. 10. PHPMyAdmin MySQL database manager. 11. Setting up MySQL replication (Master-Slave,Master-Master,...). 12. Install and configure Mysql Cluster for Ubuntu,Redhat,Centos. 13. Mail Services like Postfix,dovecot, Sendmail etc. Also worked on Panelslike Plesk, webmin, Cpanel Directadmin etc. 14. Install and configure virtualmin (Migrate website,migrate databases,...). 15. Install and configure wordpress,drupal,theme,... (windows,linux,...). 16. Application Development in php, cms, Joomla, wordpress. 17. Web Performance, Security & penetration Testing. 18. Expert in Stock Mining and data mining and familiar with the following Concepts/algorithms Noise/Outier Removal,Signal processing, Data stream processing, Classification, Clustering Prediction. WEB SCRAPING :- 1. I have high skills in Web Scraping and have a lot of good libraries in PYTHON. BeautifulSoup module is good for parsing HTML/XML files and its possible to extract everything from the web pages. Also urlib2 is good module for fetching the web pages. Our libraries is able to bypass the security issues such as intrusion detection systems (by changing the outgoing IPs, handling sessions, user/pass logins) and also use multiple web/socks4/socks5 proxies. 2. MOST IMPORTANT FEATURE of my skills is that i can give you unlimited number of proxies.i can develop a program that is able to change its outgoing IP address without using web proxies PYTHON / PHP :- 1.10 + year of experience in PYTHON,PHP, HTML, JavaScript ,MySQL. 2.Familiar with all kind of algorithms in Pattern Recognition and Machine Learning fields. 3.Expert in Artificial Intelligence ,Stock Mining and data mining and familiar with the following Concepts/algorithms Noise/Outier Removal,Signal processing, Data stream processing, Classification, Clustering Prediction. 4.Have good experience in FLASK and DJANGO. Thanks & Regards, Dipesh Sahni

Groups: Crossrider, PHPFox

Associated with: Genpex IT Solutions, Dipesh Sahni Agency

76% Job Success
$27.78 /hr
1,336 hours

Matthew S.

Matthew S. Agency Contractor

Expert in Server Administrator / Network Administrator

United States - Tests: 3 - Portfolio: 2

Supporting Clients in VMWare, Microsoft Hyper-V, OpenVZ, and Xen Virtualization. Server administrator with 8 + years of Windows experience. Microsoft Active Directory, Exchange 2003, Exchange 2010, Exchange 2013, SQL Server, Proficient in Server Setup, Upgrades, Physical to Virtual Server Migrations/ Upgrades, and Server Migrations Proficient in Disaster Recovery, Patch Management, Network Monitoring, Network Setup, and Troubleshooting Workstation Deployment, Installation, Setup, and Repairs (Desktop and Laptops) Server Deployment and Troubleshooting Database and System backups Ecommerce, and website solutions for small businesses Customers solutions to improve business to business operations 7+ years of Linux and Unix Experience VPN, Firewall, Remote Desktop Setup and Troubleshooting, Point Of Sale Systems Deployment and Installation

Associated with: BITLYNK NETWORKS LLC Agency

50% Job Success
$37.50 /hr
13 hours

Saad I.

Saad I.

Customer Representative, Web Hosting Ninja, Jr. Server Administrator

Pakistan - Tests: 8

Over the last 2 years, I've worked with multiple companies like Askforhost, CloakHosting, Brewhosting, Sharktank4Hosting, Clou24 etc. My competency lies in giving support to customers & resolve their issues as quickly as possible & doing some basic linux administrating when there is no expert available. I usually have about 2-5 SSH windows on my work-station which are connected to my experimental servers where i do experiments to learn new things like Bash scripting etc. I've worked with webpanels like cPanel, Directadmin, Webuzo, Kloxo-MR, Webmin, LAMP Stack etc & i've good hands on all of these & i can easily resolve any issue in any of these. I also have good hands on wordpress error fixing, deploying new wordpress based blogs, securing wordpress blogs, migrating those on any platform etc.

67% Job Success
$12.00 /hr
3 hours

John S.

John S.

System Administrator (Linux and Windows)

United States - Tests: 2

Systems Administrator. Dealing with implementing and maintaining virtualization, updating and securing machines, mail servers, dns. Implementing IaaS, and SaaS. Setting up VPNs, providing managed support, and troubleshooting. Server administration for GNU/Linux environments (LAMP and LNMP stacks, DNS, Exim/Dovecot/iRedMailTripwire, IPTables, MySQL, etc) and Windows environments (including IIS, Exchange, MSSQL, etc). Troubleshooting, debugging, configuring, implementing systems, backup, and various other skills. Migrating and merging systems, including databases, web applications, email, Also do IT consulting for corporations, small businesses, and individuals. Also have a strong background in sales. Can write small to moderate amounts of PHP and C++, can do bash shell scripting, and can read/debug/modify most code, but do not consider myself a programmer.

$27.78 /hr
0 hours