Hans Christian Reinl

Front-End Architect and Developer

50825 Köln, Germany
drublic.de[email protected]
My blogTwitterGitHub


I am a front-end engineer located in Cologne, Germany. I have eight years of experience in developing scalable web-applications based on cutting edge technologies including – but not limited to – HTML5 APIs, CSS3 features and object-oriented JavaScript.
I am passioned about writing modular and expressive code for clean, performant and accessible software.
Apart from that I love developing teams in the agile spectrum. I am a Certified Scrum Master.

Open Source & Community Engagement

Core developer of HTML5 Boilerplate: Ongoing maintenance of HTML5 Boilerplate, a solid front-end template to start projects with, as a member of the core team.

Creation of INIT: INIT is an extension to HTML5 Boilerpalte with more structure for SCSS files and JavaScript, built upon Grunt.js, Bower and Karma helping developers to start a project more quickly.

Co-host of Working Draft: Strong influence on the German-speaking community while being member of the weekly web-development and web-news podcast Working Draft.

Contributions to TYPO3 CMS: Contributions to the core of the enterprise content management system TYPO3 CMS, improving the overall user experience of the backend design.

Blog about Web-Technology: Researching and sharing latest technologies and learnings in a dedicated blog as well as maintaining a shared blog with friends and colleagues.

Other contributions to projects such as Bootstrap, HTML5 Please, and Grunt.js.


I am very happy to be invited to any conference in our scene and beyond.


I wrote some articles on the interwebz and offline. Here is a list. Hopefully more to come.

Please send me a mail if you want me to write for you.


  • Nomination as Young Developer Of The Year / .net-Awards 2013.
  • Certified Scrum Master
  • Co-Organizer of NightlyBuild.io - a Web-developer conference in Cologne.
  • Former Co-Organizer of DevsMeetup in Freiburg, Germany - a monthly Developer Usergroup.


In the past I worked on projects for clients such as Vaillant Group Business Services, Deutsche Gesellschaft für Unfallchirurgie, publisher Haufe-Lexware, AppMeister, Gruner + Jahr and others.

Freelance Front-End Developer and Architect

June 2008 – present

  • Consulting for middle and large-scale web projects in the front-end section
  • Analyses and improvement of new and existing software architectures
  • Workshops for agencies to educate thier developers and designers
  • Working on client projects using, configuring and developing front-end for FirstSpirit, TYPO3 CMS, WordPress and Magento

Lead Front-end Developer at /gebrüderheitz

April 2010 – April 2013

  • Developed technical company stategies
    • Introduced Scrum and development structure using GitHub throughout the whole company
    • Successfully introduced new technology such as Sass and Grunt.js
    • Developed and established coding guidelines to improve maintainability of projects
    • Developed stategies for deployment using unit tests and continuous integration with a significant time reduction for the team
  • Consultant for mobile web applications improving the understanding of modern technology with clients and partner agencies
  • Focused on developing HTML, CSS and JavaScript using Open Source Software

Software Developer and Co-Founder at colored.by

November 2011 – present

  • Leading a technical team of three
    • Connecting internal and external developers
    • Working with and testing latest technology
  • Product development as a co-founder with the management team

© Stefan Nitzsche

Core Skills

As a Front-End developer you work on a lot of things over the years. Here are some skills I consider myself good at.

  • Tooling and workflow
    • Git: Git Flow, GitHub Flow
    • Grunt: extensive configuration and workflow optimization experience
    • Modules: package management (npm, Bower), RequireJS
    • Testing: unit testing with Karma and Jasmine, regression testing, user testing
    • Automation: Continuous Integration; Jenkins and alike
  • Architecture
    • Coding conventions and guidelines: HTML & CSS (BEM, OOCSS), JS (Idiomatic JS)
    • Component based development
    • Working with and optimizing for performance budgets
  • Development
    • JS: React.js, Backbone, RequireJS, jQuery, Vanilla
    • HTML and CSS (which includes "HTML5" and "CSS3")
    • Responsive { webdesign | development | images | UX }
    • Preprocessors: excellent Sass knowledge, LESS, Stylus
    • Accessibility and "SEO" (whatever that means)
  • Working agile: Scrum, great teams, communication