Sebastian Gräßl

aka. bastilian
  • Ruby & JavaScript Developer at Red Hat Inc.
  • Data & Information nerd
  • Free & Open culture enthusiast

Hej! I'm Sebastian


  • I'm a Ruby & JavaScript Developer at Red Hat Inc.
  • I love JavaScript and Ruby
  • I worked for companies like wollzelle, whatchado, and Engine Yard
  • I like working as a developer as much as helping people in support
  • I contribute to open source projects
  • I occasionally attend meetups and conferences where I sometimes give talks
  • I helped and organized events like RailsGirls Workshops and ROSSConf.
  • I moderated conferences like JSIST and Codefront








  • | Web Developer

    As part of the development team I worked on implementing importers for partners, optimize the site for search engines as well as fixing bugs and refactor the Ruby based application. I was also working close with the community managers to help them with technical requests and data and once in a while write posts for the community blog.


  • parkside | Web Developer

    I was working with and on their proprietary CMS based on ColdFusion and Flex to host, maintain and launch websites for customers. Always working closely with designers and QA on the front end parts of the projects.

    Some Projects

    • video2brain video2brain Logo In this project I mainly did bug fixing and site optimization in back and front end.

    • all i need all i need Logo I was part of the development team for launching the website for the organic green tea drink.


  • wollzelle GmbH | Web Developer

    Maintaining sites of customers, implementing custom solutions and training them was part of my job as well as improving and maintaining the Ruby and Rails based digital asset management application Implementing new features in the Prototype & Scriptaculous based front and on the server side was part of the work on Fluxiom as well as handling day to day tasks for it like customer support and operations tasks.

    Some Projects

    • Fluxiom Fluxiom Logo As one of my first full-stack projects it allowed me to apply and learn skills in a variety of environments. One notable feature I implemented is the "Inbox" to allow uploads for unauthenticated users and approve the uploads by authenticated users which makes use of the nginx upload progress module. Another project for Fluxiom was an OS X Dashboard Widget for Mac users and a Google Chrome Extension. Other work included improving the overall user experience on the front end, improving the backend along with it, optimize the infrastructure and architecture.

    • Gucci Logo At wollzelle I had also the pleasure to be part of the team improving and adding new features for special product requirements, collections or the overall experience of the JSON driven front end on

    • Gucci Grammy® Widget Gucci Grammy Widget For the 53rd Annual GRAMMY Awards ceremony Gucci launched the I-Gucci GRAMMY timepiece and an accompanying desktop widget for Mac, Windows and Yahoo! Widgets. It is written in JavaScript and includes a adapter layer for each platform.

    • Casinos Austria International Casinos Austria International Logo To better manage content, especially their casinos in various locations, on their website a soft relaunch was made with a BrowserCMS based solution. I took over most of the backend development including templates and work closely with the front end developer.

    • RAUMKUNST Raumkunst Logo For RAUMKUNST another custom solution was developed based on BrowserCMS to manage their projects. In addition to implementing the back and front end, I trained the customer to manage the content on their website.


  • icomedias GmbH | Web Developer

    My main focus at icomedias was front end development for various clients ensuring cross-browser compatibility, while retaining valid and semantic HTML & CSS. Another big part was relaunching sites with WAI conformance in mind.

    All projects shared a proprietary CMS and a XML/XSLT based template-engine.

    Some Projects

    • Land Steiermark Land Steiermark Logo A relaunch 2007 of the portal required reworking XSLT templates to semantic HTML and ensuring compliance with WAI guidelines. Stylesheets were written to allow flexible styling for different municipal authorities.

    • Rentenbank Rentenbank Logo Rentenbank relaunched it's website 2007 requiring multilingual templates and a accessible front end for their customers. A minor highlight is the almost purely CSS driven menu.

  • Talk: Ruby on Rails | at OSCON Vienna
  • Get Bundle for TextMate


Living in:
Vienna, Austria
Born in:
Graz, Austria
Born on:
7th January 1986
German, English
Working with:
Ruby, JavaScript, HTML, CSS, PostgreSQL, RethinkDB, Docker, CoreOS, nginx, git, bash, zsh, *nix-systems