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Christian Leininger

Angestellt, Prokurist, rheinmedia gmbh
Köln, Germany

Skills

Web-Entwicklung
Programmierung
HTML5
CSS
Cross-Browser-Optimierung
PHP
Java
JavaScript
Typo3
Content-Management-Systeme
CMS
Webdesign
Web 2.0
Web Usability
Barrierefreiheit
Wordpress
Responsive Design
Extensions
Websites
Web Technologies
Informationstechnologie
Frontend
Projektmanagement
IT-Projektmanagement
Web
Wirtschaftsinformatik
MySQL
jQuery
Git
Agile Entwicklung
Webapplikationen
Bootstrap (Framework)

Timeline

Professional experience for Christian Leininger

  • Current 1 year and 7 months, since Dec 2023

    Prokurist

    rheinmedia gmbh
  • Current 13 years and 6 months, since Jan 2012

    Senior Projektmanager & Web-Entwickler

    rheinmedia gmbh
  • Current 22 years and 1 month, since Jun 2003

    Geschäftsführer

    cleininger.de

  • 3 years and 3 months, Oct 2008 - Dec 2011

    Gründungsmitglied

    LernBase

  • 5 years and 3 months, Oct 2006 - Dec 2011

    Web-Entwickler

    rheinmedia gmbh
  • 6 years and 7 months, Jun 2003 - Dec 2009

    Web-Entwickler

    unikom. gmbh

  • 3 years, Oct 2003 - Sep 2006

    Kooptierter Mitarbeiter

    Junge Presse Köln

  • 1 year, Jun 2002 - May 2003

    Praktikant

    unikom. gmbh

Educational background for Christian Leininger

  • 7 years and 2 months, Oct 2003 - Nov 2010

    Wirtschaftsinformatik

    Universität zu Köln

    Information Management, Engineering Management, Corporate Finance

Languages

  • German

    -

  • English

    -

  • French

    -

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