Perl Developers & Programmers

Showing 457 freelancers

Perl Developers & Programmers

Showing 457 freelancers

  • Go/Golang/Perl/MySQL/JavaScript Developer, Linux Administrator

    I love Go, Perl and Linux )) Have more then 7 years experience in Perl developing, about 2 years in Go and I'm also passionate Linux administrator. Now I'm concentrated in developing for Web, using Go, Perl+fastcgi+nginx … more

    I love Go, Perl and Linux )) Have more then 7 years experience in Perl developing, about 2 years in Go and I'm also passionate Linux administrator. Now I'm concentrated in developing for Web, using Go, Perl+fastcgi+nginx. I made many parsers, system scripts, web systems. My main directions in work: - Go (Golang), Revel, Martini, pure "net/http" for handling routes; - Perl developing ( web systems, scrapers/parsers, system scripts ); - Web developing, using: Perl, Javascript, Jquery, Ajax, HTML, CSS; - Linux administration; - MySQL server and queries optimization for high loading systems; - PostgreSQL; - security audit; - SEO. I am open for new knowledge and critique.  less

    perl mysql linux-system-administration lamp-administration html css ajax javascript jquery seo 00 more less
    • $27.78 HOURLY RATE
    • 4.6
    • 1605 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 9 TESTS
    GROUPS:
  • GNU/Linux Systems Administrator

    Self-motivated with more than 10 years of experience in GNU/Linux systems administration. Over the last five years, I have used Gentoo Linux as my primary desktop and created my own workspace environment that helps me to quickly and professionally … more

    Self-motivated with more than 10 years of experience in GNU/Linux systems administration. Over the last five years, I have used Gentoo Linux as my primary desktop and created my own workspace environment that helps me to quickly and professionally troubleshoot, setup and monitor various type of *nix servers. Essential skills and technologies: + HTTP Servers: Apache httpd, lighttpd, Nginx, LiteSpeed. + HTTP Accelerators/Proxy: Varnish, Squid, Ziproxy. + Troubleshooting: DebugFS, *Tracing, GDB, Valgrind, Perf. + AntiVirus/AntiSpam: ClamAV, Yara, SpamAssassin, Honeypots. + Monitoring: Zabbix, Monitorix, NTop, Nagios, Munin. + Server Control Panels: WHM/CPanel, Webmin, VestaCP, CWP, DirectAdmin. + Continuous integration: Jenkins, TeamCity, Buildbot. + Virtualization/Chrooting: VirtualBox, Cuckoo, LXC, systemd-nspawn... + Scripting: Bash, Perl, Lisp, Lua, Python. + DNS Authoritative/Recursive: BIND9, PowerDNS, Unbound, Dnsmasq. + Mail services: Exim, Dovecot, Postfix, Sendmail, Atmail, CommuniGate Pro. + Security: SELinux and Paranoia :-). I have worked with all of these technologies/tools and in some of them I'm contributor. -- Best Regards. Mindaugas N. <work@posix.lt>  less

    system-administration linux-system-administration embedded-linux whm cpanel lamp-administration network-security unix-system-administration redhat-administration apache-administration 00 more less
    • $15.00 HOURLY RATE
    • 4.8
    • 2 HOURS
    • LITHUANIA
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 11 TESTS
  • Highly Experienced and Reliable Developer/Team Leader/Project Manager

    During the past years we have successfully accomplished variety of projects for a significant number of clients worldwide. Our professional team includes individuals with expertise in HMTL, XHTML, XML/XSL, JavaScript, DHTML, AJAX, PHP, ASP. ASP.NET, C#, Visual Basic … more

    During the past years we have successfully accomplished variety of projects for a significant number of clients worldwide. Our professional team includes individuals with expertise in HMTL, XHTML, XML/XSL, JavaScript, DHTML, AJAX, PHP, ASP. ASP.NET, C#, Visual Basic, Delphi, Perl, MySQL, MSSQL, MS Access, PostgreeSQL, Windows Server, Linux, FreeBSD, etc. We offer reliable, high quality programming and design services for every aspect of website development and beyond. We are open for long-term engagements as well as for a small tasks.  less

    php mysql html ajax lamp-administration perl 00 more less
    • $22.22 HOURLY RATE
    • 4.8
    • 1318 HOURS
    • SERBIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 TESTS
    ASSOCIATED WITH:
  • Senior Unix System Administrator

    Good knowledge of Unix (Centos/Freebsd/Debian) Setup and maintain: web(frontend/backend): nginx, apache, php, perl, python database: MySQL, memcached mail: exim network: IPSEC, carp, openvpn backup: bacula writing scripts: perl, bash monitoring: zabbix, cacti others: dns, dhcp, squid, samba, svn Over 5 years worked in development company. Maintained park over 100 servers

    linux-system-administration nginx mysql exim perl ipsec network-administration zabbix apache-administration bacula 00 more less
    • $11.11 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 19 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • Software Engineer Node.JS,PHP,Perl,Shell,Linux,Javascript,HTML5

    I have overall 13 years of experience in software development. I have very broad experience with javascript/Node.js, PHP and perl, including web development and templating, IPC, XML validation, transformation and processing, databases, web scraping and regular expressions, unit … more

    I have overall 13 years of experience in software development. I have very broad experience with javascript/Node.js, PHP and perl, including web development and templating, IPC, XML validation, transformation and processing, databases, web scraping and regular expressions, unit testing. I'm an author of jQuery File Upload Middleware for Express.js framework (node.js): https://npmjs.org/package/jquery-file-upload-middleware I'm a CPAN author (ALGDR) and maintainer of perl modules Lingua::Stem::Ru and Text::TWikiFormat::SAX.  less

    php perl mysql jquery linux-system-administration lua node.js 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 92 HOURS
    • BELARUS
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 6 TESTS
    ASSOCIATED WITH:
  • System/DB Administrator

    SUMMARY • Over five years of experience in the IT industry. Over four years of experience in Linux OS, MySQL/PHP, Clustering, Java and more (including MSSQL Server, Oracle, VMWare). • Excellent communication skills. Team player. High speed and efficiency in adopting … more

    SUMMARY • Over five years of experience in the IT industry. Over four years of experience in Linux OS, MySQL/PHP, Clustering, Java and more (including MSSQL Server, Oracle, VMWare). • Excellent communication skills. Team player. High speed and efficiency in adopting and mastering new technologies. Self-sufficiency and initiative. Business oriented. Eye for detail. PROFESSIONAL EXPERIENCE Jun 2013 - now @ CTI Systems Engineer • Analyze incidents and give feedback to application developers and other interested parties in form of documentation • Administration of Application Servers (Apache & JBoss) • Integrating application logs with centralized logging system • System and application installations, configuration, deployment and backups. • Database administration (MySQL and PostgreSQL) • Responsible about security, authentication (LDAP) and SSO integration. • Scripting and programming (Perl, Python, PHP, SQL, bash) • Lead System Administrator - responible for over 20 prod and development servers (Linux/Windows). Technologies used: Debian/Redhat Linux, Apache AS, JBoss AS, MySQL, PostgreSQL, OpenLDAP, Amanda Backup, Fabric, Puppet, Observium, Moodle, Mahara, Joomla, Windows Server 2008, Postfix/Dovecot, Shibboleth, PHP, HTML, CSS, Perl, Java, Linux scripting, Python, Selenium (testing). Jan 2011 - Feb 2011 gDev (via odesk.com) Systems Engineer • Take care of application hosting / administration of Everest logistics software for external clients (1st and 2nd level support). • Analyze incidents and give feedback to application developers and other interested parties in form of documentation. Technologies used: Linux Debian, Everest ERP Software, MySQL, SQL, XML, HTML, Confluence, Apache AS. Nov 2009 – Apr 2010 @ Avaca Systems Engineer • Take care of application hosting / administration of various applications for both internal or external use. • Analyze incidents and give feedback to application developers and other interested parties in form of documentation. • Integrate application logs with the centralized logging system. • Draft operational and deployment guidelines and documentation. • Deployment and other scripts. Technologies used: Oracle 10g RDBMS and Toad, Apache AS, Ant, CentOS Linux (CentOS/Redhat), Perl, Bash Shell Scripting, Java, XML, VMware. May 2006 - Jun 2009 @ Unisystems Systems Engineer • Take care of application hosting / administration of various applications for both internal or external use • Analyze incidents and give feedback to application developers and other interested parties. • Draft operational and deployment guidelines and documentation. • Monitor the applications, identify parameters for automated monitoring and analyze and setup warning / critical thresholds, create customized monitoring scripts. • Setup environments for production, pre-production, testing and development. • Deployment of applications to production, pre-production, testing and development environments. • Participate in pre-production quality assurance. • Analyze and perform backup needs for several environments. • Deployment and general purpose scripting (Perl, Bash, Javascript). • Administration of Virtual Servers (VMware). • Release Management Coordinator. • Localization of EMC TaskSpace platform. • Oracle RDBMS Administration tasks (backup, monitoring, deployment). • EMC Documentum TaskSpace Localization. Technologies used: Documentum ECM, Apache AS, IBM Rational Studio, IBM WebSphere AS/PS, JBoss AS, Linux RHES, Linux CentOS, Windows Server 2003, VMware, ILog JRules, Oracle RDBMS 10g (TOAD), Plesk, Jira, Wikis, Perl, Bash Scripting, Ant Scripting, Java, Javascript, XML, CSS, HTML.  less

    ibm-websphere oracle-database apache-tomcat unix-shell linux-system-administration 00 more less
    • $17.00 HOURLY RATE
    • 5.0
    • 20 HOURS
    • GREECE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 TESTS
  • Senior Systems and Software Engineer

    Systems and Services Engineer, with 12+ years of working experience. Interested in researching, administrating, debugging, tuning and developing platforms running on UNIX like Operating Systems. Able to troubleshoot, identify and solve problems in software, network or kernel layer. Always willing … more

    Systems and Services Engineer, with 12+ years of working experience. Interested in researching, administrating, debugging, tuning and developing platforms running on UNIX like Operating Systems. Able to troubleshoot, identify and solve problems in software, network or kernel layer. Always willing to learn and experiment new technologies for creating high availliability platforms, that could described as "state of the art" or "cutting edge" technology. Specialties: • Unix Like Operating Systems Specialist (Solaris / Linux ). • TCP/IP Network technology • Very deep level of knowledge on Machines hardware and OS Kernels internals. • Troubleshoot/Tune/Debug; System Services, Operating Systems • Mail Services Expert, Qmail-Ldap Specialist. • Network: Cacti/MRTG, Nagios, Cisco Netflow • Databases: PostgreSQL / MySQL / Oracle / LDAP. • Programming: Perl, Ansi C, bash, awk, sed, php etc • Internet Services: mail, http, radius, ftp, ssh, irc etc.  less

    unix-system-administration unix-shell bash perl php c vmware-administration solaris-administration mysql postgresql dns tcp-ip iptables firewalls oracle-sunray ubuntu centos freebsd postfix sendmail exim apache-administration lighttpd nginx haproxy spamassassin clamav squid atlassian-jira atlassian-confluence linux-system-administration network-security security software-debugging vulnerability-assessment cisco-ios apache-tomcat jboss oracle-database oracle-rac vmware-esx data-analysis data-backup database-administration database-design database-management database-modeling database-programming data-mining data-recovery data-center-operations network-administration network-planning hardware-troubleshooting hp-ux phpmyadmin samba mail-server-implementation oracle-application-server technical-analysis operating-systems-development systems-development virtualization openvms nagios mrtg redhat-administration bash-shell-scripting xen-hypervisor zimbra-administration 00 more less
    • $30.00 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 156 HOURS
    • GREECE
    • LAST ACTIVE
    • 14 PORTFOLIO ITEMS
    • 7 TESTS
  • Ph.D. Assoc. Prof.

    I just like to solve not-obvious complex problem. I remember times when computers were big and software was small. I hope that my work helps to make computers even smaller than now and software - more intelligent. I have vast experience … more

    I just like to solve not-obvious complex problem. I remember times when computers were big and software was small. I hope that my work helps to make computers even smaller than now and software - more intelligent. I have vast experience in Unix system with system and application programming since 1993. Since 2007 I am working in Mac OS X Xcode environment and I am fond in iPhone OS. But I didn't forget Perl, C, Fortran, assemblers for 80x80 and 6502 and other programming languages, which I used since 1984.  less

    objective-c c perl unix-shell mac-os-app-development iphone-app-development apple-xcode russian postgresql gps-development 00 more less
    • $33.33 HOURLY RATE
    • 3.8
    • 1065 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 10 TESTS
    ASSOCIATED WITH:
  • Full stack senior Pythonista

    Hey! I am Dmitry, and I am experienced developer. Who just gets sh*t done. :) I am full stack developer with master degree in Software Development and artificial intelligence. I can advise, review your project requirements, give estimations with real … more

    Hey! I am Dmitry, and I am experienced developer. Who just gets sh*t done. :) I am full stack developer with master degree in Software Development and artificial intelligence. I can advise, review your project requirements, give estimations with real deadlines, implement your project using agile approach. I can cover many project types, starting from plain websites or desktop apps, and ending with a backend with complex business logic and mobile apps (Android only). See my skills list for more information.  less

    python javascript java android-app-development html5 mysql amazon-ec2 simpledb tornado django-framework git requirements-analysis google-app-engine ubuntu centos sqlite postgresql linux-system-administration facebook-api twitter-api twitter-bootstrap 00 more less
    • $26.00 HOURLY RATE
    • 5.0
    • 40 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 TESTS
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