Server Administrators & Developers

Showing 8,353 freelancers

Server Administrators & Developers

Showing 8,353 freelancers

  • Professional PHP Developer and Web Scraper

    Top-notch web scraping expert using PHP/cURL, having scraped hundreds of sites with millions records. Always deliver perfect quality with quick turnaround. Crunchbase, Twitter, oGame, Washington EDU, Craigslist and Yipit are just a few examples. My major expertise is Web … more

    Top-notch web scraping expert using PHP/cURL, having scraped hundreds of sites with millions records. Always deliver perfect quality with quick turnaround. Crunchbase, Twitter, oGame, Washington EDU, Craigslist and Yipit are just a few examples. My major expertise is Web crawling, data minning, Wordpress plugin and theme development with PHP/MySQL. I have a degree in Computer System & Engineering and have 14 years experience coding. I am interested in solving complex challenges, difficult problem solving, and learning to enhance my programming skills. I have been working in the hosting industry (Hostgator, GoDaddy, Bluehost) for more than 8 years and highly experienced using hosting software such as WHM/CPanel/Plesk/Virtuozzo/Webmin/Virtualmin. Technical background; I began programming on C64s with QBasic language in the 1990s. Following graduation, I developed various programs with Borland Delphi for computing hardware faculty from 2000s, and I am still programming for RS232 / OBDII. I professionally created various web development projects with PHP and Perl languages since 2002. I began working with Linux and FreeBSD in 2003 and I have been working as an admin for various servers like Debian and Ubuntu operating systems since 2005. I have founded to BACOMputer, which my first company on 2005, and I am still working as a software developer for my own company. I have created almost 250 web sites which are hosted in my re-seller account, and I can provide web hosting services also. You may easily reach some of website samples in my portfolio. I began working with clients through oDesk since 2009, and I have successfully completed many contracts between 2010 - 2013. The subjects of my recently works; ° Web scrapping / mail scrapping with PHP/cURL. My PHP codes also can be run as standalone programs on the linux shell and/or with crontab. ° Creating Wordpress plugins and themes. HTML to Wordpress. ° PHP-MySQL works / Admin Panels. ° Delphi or PHP based text file conversion programs. * OPEN-WRT Linux distributions. ° Hosting services and transfers (I have been working with Godaddy and Hostgator since 2005. I have reseller package, if you need, I can provide web hosting as a low price.) ° Malware code cleaning on the sites and servers. (I have developed my own tools for finding malicious codes and infected files as quickly and efficiently) ° Decompiling/Tracing Flash applications/games. ° Radio, Audio stream program installations and configurations. Shoutcast, Icecast and Flashcast solutions. ° Software installation on Linux. Ftp servers, Apache, Nginx, PHP and MySQL installations/configurations. ° jQuery and resolving jQuery issues and conflicts. ° JWplayer, Flowplayer video player installations and delayed messages/auto redirecting projects ° Lightbox, Greybox, Laytbox and other jQuery (auto) popup solutions. ° .htaccess works (Mass redirections, SEO based links, permalinks)  less

    php web-scraping data-scraping html wordpress twitter-bootstrap mysql jquery javascript xml delphi linux-system-administration cpanel rets shoutcast irc-server-administration 00 more less
    • $45.00 HOURLY RATE
    • 5.0
    • 1236 HOURS
    • TURKEY
    • LAST ACTIVE
    • 33 PORTFOLIO ITEMS
    • 8 TESTS
    GROUPS:
  • Maksim Koretskiy

    Over last 6 years I have worked on wide range of the tasks - online browser games, e-commerce websites on Magento, django project, Zend based highload project and some other small projects. I have experience in PHP, Zend Framework, TDD, Unittesting … more

    Over last 6 years I have worked on wide range of the tasks - online browser games, e-commerce websites on Magento, django project, Zend based highload project and some other small projects. I have experience in PHP, Zend Framework, TDD, Unittesting, Drupal, Django, Wordpress, MySQL, MongoDB, JavaScript(jQuery, Prototype), HTML, HTML5, CSS, SASS/Compass. Also i have experience in code investigation and bugfixing. I used in work JIRA, Bugzilla, Bamboo, Sonar and Stash. Also i can work with GIT, SVN.  less

    php zend-framework magento javascript jquery html css sass linux-system-administration mysql 00 more less
    • $25.00 HOURLY RATE
    • 4.5
    • 4856 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 5 TESTS
  • Web Technology Consultant, HTML5 Video Expert

    An independent and highly experienced web technology expert. Expertise in various layers of web technologies like solution architecture, e-commerce, payment gateway, server / database design and optimization, audio/video streaming, web services, MVC Extensive work experience in video streaming/encoding, video … more

    An independent and highly experienced web technology expert. Expertise in various layers of web technologies like solution architecture, e-commerce, payment gateway, server / database design and optimization, audio/video streaming, web services, MVC Extensive work experience in video streaming/encoding, video distribution. HTML5 video compliance across the browsers/devices including iOS / Android compatible video streaming Adept at various Server / Software and Database optimization techniques and high performance scaling of web applications and sites. Many years of working experience in PHP, Perl, Oracle, Mysql, Smarty, Apache / Nginx, Audio / Video streaming, Payment Gateway Solutions, Full Text Search (sphinx search) and platform integration. I have proven track record of delivering large scale web applications as well as application modification / maintenance for small, medium and large enterprises  less

    video-streaming video-conversion nginx amazon-web-services php apache-administration perl mysql lamp-administration linux-system-administration database-modeling 00 more less
    • $30.00 HOURLY RATE
    • 4.9
    • 104 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 TESTS
  • Oracle DBA expert

    I am certified Oracle database administrator with 5+ years experience in all areas which cover Oracle administration tasks. Installation, configuration, tuning, backup strategy, integration in OLTP and DWH environment on *nix and Windows OS in one-node and RAC configurations I … more

    I am certified Oracle database administrator with 5+ years experience in all areas which cover Oracle administration tasks. Installation, configuration, tuning, backup strategy, integration in OLTP and DWH environment on *nix and Windows OS in one-node and RAC configurations I can provide complete service for your existing Oracle DB as also install and configure your future Oracle database infrastructure. From 8.1.7* to 11.2* version on Linux, Windows, Solaris, HP-UX. - File system, raw devices, ASM. - Oracle DB performance tuning - Backup and recovery solutions for Oracle DB - Dataguard solutions - High availability solutions - Data management - Security configuration - Exadata X2 administration, configuration, tuning - Installation and configuration OEM version 10g, 11g, 12c Oracle Сertificates: - OCP DBA 11g - OCP DBA 10g - SQL Certified Expert - Linux Certified Expert - Exadata 11g Certified Implementation Specialist LinkedIn profile: ua.linkedin.com/in/andreykhudyakov/  less

    oracle-rac oracle-database oracle-performance-tuning oracle-database-administration 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 201 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Software / Web Developer

    IT enthusiast that has interest for the newest and latest technologies available. I am a multi-paradigm programmer. And I can code web application in PHP,Javascript,HTML or in native applications development like C#/.NET,C/C++,Objective C. I … more

    IT enthusiast that has interest for the newest and latest technologies available. I am a multi-paradigm programmer. And I can code web application in PHP,Javascript,HTML or in native applications development like C#/.NET,C/C++,Objective C. I am also exprienced in Linux,Mac OSX and Windows. Currently I love WinRT in Windows 8 , Javascript , NodeJS and HTML5 I am also studying system/application penetration and hacking.  less

    c# node.js windows-8-app-development javascript php .net-framework codeigniter html5 windows-phone-7-development mono 00 more less
    • $22.22 HOURLY RATE
    • 4.9
    • 1184 HOURS
    • PHILIPPINES
    • LAST ACTIVE
    • 7 PORTFOLIO ITEMS
    • 8 TESTS
    GROUPS:
  • iOS / Mac developer

    Over the last 4 years, I have developed a lot of Mobile applications for iOS and few desktop applications for Windows and Mac. I am looking for opportunities to build the Mobile or Mac apps. I've developed the applications … more

    Over the last 4 years, I have developed a lot of Mobile applications for iOS and few desktop applications for Windows and Mac. I am looking for opportunities to build the Mobile or Mac apps. I've developed the applications in fields of Education, Web, Music, SQLite and etc. I also have wide experience in the following areas: Objective C, C++, SQL, Python, Bash, Django, Google App Engine, Amzon, HTML, Web Development and so on. My previous role was system administrator for 5 years, so i'm good in linux and in system admintration.  less

    linux-system-administration nginx python ios-development cocoa-touch iphone-app-development qt objective-c 00 more less
    • $35.00 HOURLY RATE
    • 4.9
    • 872 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 4 TESTS
    GROUPS:
  • Experienced data transformation, web and Perl progrmamer

    I have many years commercial experience as a software developer I have successfully completed significant projects in the areas of: - web services and dynamic web sites - data conversion and parsing of complex data streams - databases, including modelling, setup, SQL reporting … more

    I have many years commercial experience as a software developer I have successfully completed significant projects in the areas of: - web services and dynamic web sites - data conversion and parsing of complex data streams - databases, including modelling, setup, SQL reporting - convert PDF to flat files and CSV) - office automation with Excel and Word macros I can confidently handle all aspects of your software project project from design to development, testing, documentation and production support. I have also made significant open source software contributions.  less

    perl linux-system-administration unix-system-administration python technical-documentation regular-expressions internet-research content-writing 00 more less
    • $40.00 HOURLY RATE
    • 5.0
    • 322 HOURS
    • AUSTRALIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 5 TESTS
    GROUPS:
  • Experienced Technologist

    I am an Talented and Experienced Network Engineer, sales engineer, physical security engineer (Alarm Systems, Access Control, and Video Surveillance), and communication specialist with over 20 years in the design, installation, configuration, administration and troubleshooting of networks, security systems, video … more

    I am an Talented and Experienced Network Engineer, sales engineer, physical security engineer (Alarm Systems, Access Control, and Video Surveillance), and communication specialist with over 20 years in the design, installation, configuration, administration and troubleshooting of networks, security systems, video surveillance (IP Cameras, Analog and HD-SDI camera systems). My primary language is English and I speak and read binary natively. I do live and breathe IP networking, I do not claim to know everything there is to know about Networking; however, I enjoy the work I do and I do my best to be as efficient and as useful as I can while always putting the client's interest before my own financial gains. I can provide consulting services and remote network engineering skills utilizing LAN infrastructure - Routers/Switches/Firewall, VLANS, LACP, PAgP,802.1q, RSTP, OSPF, BGP, Trunking, etc. WAN infrastructure - Point to Point DS3 (T3) and DS1 (T1) utilizing ATM and SONET Technology; DSL and cable modem Internet Backup links, Site to Site/Site to Mult-isite and Client to Site VPNs. Internet and intranet DNS - Domain Registration, Domain setup on Microsoft / Bind DNS servers, and troubleshooting DNS Related issues. - Domain delegations utilizing glue records and also setting up caching nameservers. Wireless: Mikrotik, Ubiquiti, and Motorola Point-to-Point and Point-to-Multipoint design, installation and configuration. Wireless RF planning of indoor and outdoor wireless networks utilizing heat maps for wifi coverage. Technology: I have a great deal of experience in various ISP (Co-location, Data Center, Internet Service Providers) technologies that focuses on managed services utilizing Juniper and Cisco Firewalls, Cisco, HP and Foundry Layer 2 and Multilayer switches, Cisco and Juniper Routers, Cisco and Foundry Load Balancing utilizing Content Switching and ServerIron Technology, and IP address optimization. IPv6: I can provide IPv6 support and consulting services on the creation of business plans, business cases, migration, transition, new installations, and upgrades to your existing IPv4 network. Security Solutions: Honeywell, 2GIG, GE, ITI, Alarm.com, Total Connect, Interactive services, IP CCTV, IP Surveillance, IP Camera, Alarm System and CCTV System design (Pre and Post Sales Support). CVE-2014-0160 - OpenSSL Heartbleed patching.  less

    dns firewalls apache-administration cisco-routers tcp-ip electronics antenna-design vpn cisco-asa computer-networking wireless-network-implementation network-security ipsec network-administration nagios zabbix ingress-filtering bgp ospf network-planning wireless-security security penetration-testing linux-system-administration windows-administration 00 more less
    • $44.44 HOURLY RATE
    • 5.0
    • 430 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 8 PORTFOLIO ITEMS
    • 10 TESTS
  • Linux system administrator / Backend developer

    To describe myself using eight words: I am a problem solver with extensive experience. As a system administrator (since 2009) I configured and partly now maintaining servers for wm4d.com, datamojo.com, call2ru.com, serviskart.ru and other companies (more … more

    To describe myself using eight words: I am a problem solver with extensive experience. As a system administrator (since 2009) I configured and partly now maintaining servers for wm4d.com, datamojo.com, call2ru.com, serviskart.ru and other companies (more than 20 servers including VPSes). Also I consult clients and colleagues in a wide range of questions related to web development and system administration. Since 1998 till 2009 I used to work as a programmer, participated in a variety of projects including Plesk for Linux. (So, I used to work with PHP3/4/5, Perl, bash, Java (J2EE), Pascal, C, JS; I know design patterns, test-driven development, agile methodologies and so on, and so forth.) In summer of 2011 I took part in selection of the staff for one company (testing candidates' knowledge of PHP5, OOP, MySQL et cetera; more than 1000 candidates). If you need to develop the UI part (JavaScript/HTML/CSS), I am not the right person. In the moment I am learning Ruby and I am charmed by it.  less

    linux-system-administration nginx varnish-cache git apache-administration mysql rackspace-cloudservers php dns 00 more less
    • $30.00 HOURLY RATE
    • 5.0
    • 2203 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 8 PORTFOLIO ITEMS
    • 15 TESTS
  • Penetration Testing, Web|Cloud Security,SQL Injection,XSS,

    IT Security Consultant providing Consistent, Timely, and Cost-Effective IT Security Services. Update - OpenSSL Heartbleed Website Security Test ### Professional Security Services ### # Web Application/SaaS Security Testing and Defense (sql injection, cross site scripting) # Penetration Testing & Ethical Hacking # Vulnerability Assessment & Network Auditing … more

    IT Security Consultant providing Consistent, Timely, and Cost-Effective IT Security Services. Update - OpenSSL Heartbleed Website Security Test ### Professional Security Services ### # Web Application/SaaS Security Testing and Defense (sql injection, cross site scripting) # Penetration Testing & Ethical Hacking # Vulnerability Assessment & Network Auditing # Implementation and auditing of various security compliance(ISO 27001, NIST, PCI-DSS) # Protection of hacked websites and servers, cloud security. # Security Testing Mobile Apps, Chrome Apps, Salesforce AppExchange Business Apps , RESTful Applications and APIs # Security Awareness - On Demand Phishing for Organizations. ### Value Added Services ### # Debrief with the client at the conclusion of each engagement. # Research and provide recommendations for continuous improvement. # Knowledge sharing. ### Certifications ### CISM,CISSP,Certified Ethical Hacker, ISO27001, Security+ ### Hands on Experience ### Web applications :- Wordpress, Joomla, Drupal, Network :- Cisco, Linksys, Netgear, TP-Link, E-Commerce Security - OScommerce, prestashop, Magento Forums - MyBB, phpBB cPanel, WHMCS Linux, Windows, Ubuntu, CentOS etc. ### Tools ### Manual SQL Injection Testing, Business Logic vulnerability testing, Kali Linux, Burp Suite, Metasploit Pro  less

    internal-auditing vulnerability-assessment policy-writing penetration-testing complaint-management security information-architecture supervisory-skills network-security business-writing report-writing pci-compliance project-management disaster-recovery business-continuity-planning process-architect wireless-security 00 more less
    • $24.00 HOURLY RATE
    • 5.0
    • 827 HOURS
    • KUWAIT
    • LAST ACTIVE
    • 17 PORTFOLIO ITEMS
    • 9 TESTS
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