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Full-Stack Ruby Web Engineer

JAN 2017 @ i22 Digitalagentur GmbH in Bonn, Germany

  • Senior Ruby/Rails Engineer
  • Full-Stack Developer
  • Engineering and development of different software solutions for the Telekom Germany

CTO & Senior Web Software Engineer

DEZ 2016 @ eoceo GmbH & Co. KG in St. Augustin, Germany

  • Chief Technical Officer
  • Conception, Architecture and Development of a Medical Software Solution based on Ruby/Rails

Web Software Engineer

JUL 2016 @ BE\magazine GmbH & Co. KG. in St. Augustin, Germany

  • meteor.js engineering of a Medical Software Solution

CMS Core Engineer

APR 2012 @ Chamaeleon AG in Montabaur, Germany

  • Conception and engineering of the next generation WYSIWYG Enterprise CMS ionas4
  • Head of Developer Experience for the CMS Application Framework
  • CMS project realization

CMS Coach

JUL 2010 @ Chamaeleon AG in Montabaur, Germany

  • Consulting and coaching of CMS customers
  • Project management of small-scale CMS projects
  • CMS project realization

Apprenticeship IT specialist

AUG 2007 @ Chamaeleon AG in Montabaur, Germany

  • CMS project realization
  • Support and customer consulting

Trainee Software Development (CMS)

JAN 2007 @ Chamaeleon AG in Montabaur, Germany

  • CMS project realization

Begin of a incredible journey

OCT 1989 in Malsch, Germany

Preferred Technology Stack

If I’d start a webapp project today, it would be a SPA built with following technologies:


Some technologies/skills which I’m experienced with, use or/and love:


Ruby, Crystal, Java, JavaScript/ECMAScript6, TypeScript, PHP, CSS, SCSS, HTML, SLIM, Pug, Handlebars/Mustache, reStructuredText, Markdown, …


Rails, Trailblazer, Pundit, AuthLogic, RSpec, Capybara, ActiveAdmin, jQuery, AngularJS, EmberJS, Vue.js, js-data, moment.js, Vuetify, Bootstrap, Foundation, Electron, …

OS, Shell etc.

Linux (Manjaro, Arch Linux, Ubuntu), Android, MacOS, KDE, ZSH, Docker, …


JSON/REST, GraphQL, PostgreSQL, MariaDB, MongoDB, Memcached, IntelliJ, WebStorm, RubyMine, VS Code, git, gitflow, GitLab, TDD/BDD, CI/CD, Clean Code, YARD, UML, …

Server & DevOps

Nginx, Jekyll, Heroku, S3, Ansible, Bugsnag, Docker

Organization & Management

Slack, Evernote, Trello, Google Calendar, GitLab, JIRA, SCRUM, Kanban, Google Spreadsheets