Profile

I'm a software developer from Duisburg-Neudorf, working for Contentful in Berlin.

I've been involved with programming and software since my highschool years a the Steinbart Gymnasium in Duisburg. I studied Computer Science at Dortmund Technical University, in my diploma thesis I developed the concept for a web development framework for Serverside JavaScript.

I took my first steps into software with PHP3 and Java around 1998. Since 2004 I'm a fan of Ruby on Rails. I love how Ruby extended my horizon and I'm fascinated with all sorts of programming languages and paradigms ever since. Over the last few years I've drifted more and more towards frontend and full-stack development in JavaScript. The JavaScript ecosystem has grown so strong that it has become hard to avoid it.

I take a holistic approach to software development, combining my theoretical knowledge from studying CS with my practical experience in designing and implementing complex software systems.

I love my MacBook, I enjoy taking photos with my Nikon D90, I like music, movies, food and art.

Curriculum Vitae

Jan Varwig
born 1982 in Duisburg, Germany
currently living in Berlin

Formal Education

  • Abitur (1993-2002)
    Steinbart Gymnasium Duisburg

  • Study of Applied Computer Science (10/2003 - 07/2009)
    Technische Universität Dortmund
    Main areas: heuristic optimization, graphical systems, compilers and hardware design
    In my diploma thesis I developed A Thin Web Application Framework Based on Server-Side JavaScript.

Work Experience

  • Senior software developer at Contentful 11/2012 - today
    Development of a cloud based content delivery infrastructure.
    Lead engineer for the AngularJS based frontend.

  • Development and project management for 9elements GmbH 12/2007 - 10/2012
    Development and supervision of several projects in Ruby on Rails, HTML5/JavaScript and Flex.
    Working as a hired freelancer during my studies, employed since 10/2009.

  • Freelance work for PEKiP e.V. 04/2005 - 10/2012
    Maintenance of several websites.
    Internal software development for administration of members and courses.

  • General Freelance work 2004 - 2009
    Several projects for customers not explicitly listed here.

  • Student assistant at ISF, Dortmund University 03/2007 - 12/2007
    Development of FEM software in C++/OpenGL

  • Freelance work for Mediastar GmbH 02/2004 - 10/2007
    Maintenance and administration of several Typo3-based websites.
    Search engine optimization.
    Setup and maintenance of the Websale eCommerce system.

Work Examples

  • Bertelsmann Stocks'n'Flows
    An interactive HTML5-based presentation tool for telling stories about global financial relationships. Developed in BackboneJS, Chaplin, Coffeescript with a Rails backend for Bertelsmann Stiftung. Not publicly released yet

  • img.ly
    An image sharing site for Twitter that is suported by all major clients and hosting over 2 million images for over 300.000 users. Developed in Ruby on Rails.

  • Google Map Toolkit
    Interactive Widget for Deutsche Telekom to display availability of data networks and points of interest in Germany. Highly customizable, developed in CoffeeScript on the front-end and Ruby on Rails with a PostgreSQL database for spatial data management in the backend.

  • BP Sales Presenter
    Presentation tool for European Sales teams within BP. Developed in Flex 4.5, with client-server architecture, rights management and localization in 8 languages.

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