Freelancer for web development and web design


  • André Dietze
  • Talstr. 14
  • D-08066 Zwickau
  •  
  • USt-ID: DE229615083
  • Tel.: +49 15780347068 Please send your inquiries by email. Thanks.
  • Email: mailto@konst123anten.net
  •  
  • Hosting: //hosting.konstanten.net
·Service
  • Service:
  • Webdesign & webdevelopment (Frontend, Backend)
  • Creation of websites, accessible and W3C-compliant (error-free/semantic HTML code)
  • Maintenance/administration of content management systems: WordPress, Contao, MediaWiki, TYPO3 ...
  • Creation/maintenance of plug-ins for: WordPress, Contao and MediaWiki
  • Development of CMS/shop system or customised systems (e.g.: transport & logistics system (single-stage))
  • Website Hosting and Administration
  • Website Security (AES encryption, SQL injection, spam bots, OSSoftware bugs, etc.)
  • Domain Service(registration, administration)

  • Skills:
  • HTML5, CSS3, PHP8(OOP), SQL, JavaScript, AS3
  • jQuery(JS Framework), XML, RSS, JSON, TypoScript
  • LESS & SASS(CSS Framework)
  • CodeIgniter, Symfonie & Zend(PHP Framework), Twig
  • Database: MariaDB, MySQL
  • Apache mod_rewrite, FPDF, Facebook SDK ...

Reference-/customerlist abstract
Customerlist
  • AGJF Sachsen e.V., Chemnitz
  • Bauconzept Planungsgesellschaft mbH, Lichtenstein
  • Dipl.-Ing Frank Müller, Zwickau
  • Dipl.-Ing Pierre Hartung, Zwickau
  • Dr. Hubertus Hoffmann Beteiligungs GmbH, Berlin
  • IPS Projects GmbH, Mainz
  • IQ-optimize Software AG, Maintal
  • kaikaito IT GmbH, Schwetzingen
  • KplusH, Berlin
  • KRUMPHOLZDESIGN-AGENTUR, Ingolstadt
  • reissigtrans GmbH, Callenberg
  • Richter & Richter, Hohenstein-Ernstthal
  • sazinc. , Chemnitz
  • Siedlungs- und Wohnhausgesellschaft Sachsen GmbH, Glauchau
  • Submissions-Anzeiger Verlag GmbH, Hamburg
  • Xtropolis.de, Berlin
  • Zimmerei Portack & Grille GmbH, Gersdorf
  • Zimmer-Atlas  <sup>(own project)</sup>
  • Zimmer-Atlas (own project)

    • Directory for accommodations, multilingual
    • Layout: desktop- and mobile-version
    • CMS: customer-login, auto generating invoice, onlineshop
    • Website based on my own developed CMS
    • Online since 2004, redesign 2007

    Technologies

    • PHP, MySQL, Ajax, JavaScript, CSS, HTML5, XML
    • Apache modul: mod_rewrite (auto generating files, for example HTML-documents)
    • FPDF (PHP class, generating PDF documents)
    • Facebook PHP/JavaScript SDK
  • REISSIG TRANS GmbH
  • REISSIG TRANS GmbH

    • Transport & logistics system(single-level)
    • Online since 2007
    • Customer-, material-, packing- and toursmanagement(automatic and manual)
    • Demo version is in process
    • Update 2018

    Service

    • Programming, grafik, consulting

    Technologies

    • https (Hypertext Transfer Protocol Secure)
    • PHP7, MySQL, Ajax, JavaScript, CSS, HTML5
    • Apache modul: mod_rewrite (auto generating files, for example HTML-documents)
    • FPDF (PHP-Class, generating PDF documents)
    • Javascript Framework: jQuery
  • bobthehost .de/.com
  • bobthehost .de/.com

    • Hosting Service(Cloud, Domain, OpenSource CMS)
    • Layout: desktop- and mobile-version
    • Website/Shop based on my own developed CMS
    • Online since 2024

    Technologies

    • PHP8, MySQL, JavaScript, CSS3, HTML5, JSON, CURL
    • Apache Modul: mod_rewrite (auto generating files, for example HTML-documents)
    • FPDF (PHP-Class, generating PDF documents)
    • Javascript Framework: jQuery
  • open-psalter.de
  • open-psalter.de

    • Website based on CMS Weblication and integration of my CMS for database-driven user and video management
    • Client: KplusH agency for communication & design berlin
    • Project period: 2 month
    • Online since 2022

    Service

    • Creation of a web application according to specifications with connection to Weblication and modification of my CMS
    • Connection to a MySQL DB through my own CMS

    Specials

    • 90% of server requests/interaction through PHP is done via JavaScript(better usability)

    Technologies

    • PHP7, CSS3, HTML5
    • SQL/MySQL
    • JavaScript und JS Framework: jQuery
  • Paintballhall Battlezone - Zwickau
  • Paintballhall Battlezone - Zwickau

    • Website(desktop, mobile)
    • Website administration by my own CMS(news, gallery, event tickets)
    • Facebook-App (user-registration, login)
    • Online since 2012
    • Update 2018, 2023

    Service

    • Design(adaptive layout), programming, photography

    Technologies

    • PHP8, MySQL, JavaScript, CSS, HTML5
    • Apache modul: mod_rewrite (auto generating files, for example HTML-documents)
    • Javascript framework: jQuery
    • Facebook PHP/JavaScript SDK
  • Demo shop <sup>(own development system)</sup>
  • Demo shop (own development system)

    • Online shop for car parts and accessories
    • Administration by his own CMS
    • The system need 3 until 4 days do edit around 8 million registered shop article(dependent on server-qualities).
    • You find a demo-version on https://shop.konstanten.net/.

    Technologies

    • PHP7, MySQL, Ajax, JavaScript, CSS, HTML5
    • Apache modul: mod_rewrite (auto generating files, for example HTML-documents)
    • FPDF (PHP-Class, generating PDF documents)
    • Javascript Framework: jQuery
  • quemao.de  <sup>(own project)</sup>
  • quemao.de (own project)

    • Website/onlineshop
    • Layout: desktop- and mobile-version
    • Website based on my own developed CMS
    • Online since 2003, redesign 2006 and 2010

    Technologies

    • PHP7, MySQL, JavaScript, CSS3, HTML5, XML
    • Apache Modul: mod_rewrite (auto generating files, for example HTML-documents)
    • FPDF (PHP-Class, generating PDF documents)
    • Javascript Framework: jQuery
    • Facebook PHP/JavaScript SDK
  • sane! (sanesnow.com)
  • sane! (sanesnow.com)

    • Website on basis of the Open Source CMS Contao (past called TYPOlight)
    • Programming simple shopsystem for Contao
    • Integration Vimeo RSS-Feed
    • Online since 2012

    Service

    • Design(adaptive layout), programming

    Technologies

    • PHP, JavaScript, CSS, HTML5, RSS
    • Javascript Framework: jQuery
  • RADELN IN ZERBST/Anhalt
  • RADELN IN ZERBST/Anhalt

    • Website/Tour planer on basis of the Open Source CMS Typo3 and OpenStreetMap
    • Client: ANHALTEND.com
    • Project period: 1.5 month
    • Online since 2022

    Service

    • Create template and customization Typo3 for further maintenance

    Specials

    • Integration of OpenStreetMap with location detection

    Technologies

    • HTML5, CSS3, JavaScript
    • Javascript Framework: jQuery
    • TypoScript
  • Sachsenboarders.de
  • Sachsenboarders.de

    • Website on basis of the Open Source CMS Contao (past called TYPOlight)
    • Relaunch 2009

    Service

    • Design(adaptive layout), programming

    Technologies

    • PHP, JavaScript, CSS, XHTML 1.0 Strict
  •  Freelance construction manager - Frank Müller
  • Freelance construction manager - Frank Müller

    • Website(desktop, mobile), multilingual
    • Website administration by my own CMS(references, referencecard)
    • Online since 2003, relaunch 2010

    Service

    • Consulting, design, programming

    Technologies

    • PHP, MySQL, JavaScript, CSS, HTML5
    • XML, ActionScript 3
    • Apache modul: mod_rewrite (auto generating files, for example HTML-documents)
    • Javascript Framework: jQuery
  • Café König - Shisha Bar <sup>(closed)</sup>
  • Café König - Shisha Bar (closed)

    • Website with news- and blogsystem
    • Website administration by my own CMS(news, blog, diary and gallery)
    • Online since 2006
    • Café König is closed since 2012

    Service

    • Design, programming, photography

    Technologies

    • PHP, MySQL, JavaScript, CSS, XHTML 1.0 Strict
    • Apache modul: mod_rewrite (auto generating files, for example HTML-documents)
    • Javascript Framework: jQuery

W3C valid-konstanten.netW3C valid-konstanten.net

Blog: //mediengestaltung-webdesign-webentwicklung.de/