My name is Frederik Dietz and I'm a passionate software developer, located in beautiful Hamburg, Germany.

I'm a freelance developer with more than 10 years experience and contributor to open-source and free software.

For more detailed information have a look at my GitHub, XING or LinkedIn profiles.


Hire me

I'm available as a freelancer to support your team on-site (or remote). Additionally, I can build and deploy your web application as a full service.


  • Strong foundation in Ruby, Javascript and frameworks as for example AngularJS, ReactJS and Ruby on Rails
  • Experience in agile software development
  • Communication skills with colleagues, product owners, stake holders and other clients
  • Believe in the value of modular, clean, sustainable and well-tested code
  • Being pragmatic about it!

Latest Projects

Legacy code migration for XING AG

Assisted the XING architects team to migrate a central legacy component to a new Ruby on Rails backend serving 200 million requests per day.

Sideproject: How to build your own team chat in five days

Wrote a series of blog articles highlighting a component based approach of building an AngularJS app with a real time chat component.

Wrote ebook: Recipes with AngularJS

If you are using Angular.js, or considering it, this cookbook provides easy to follow recipes for issues you are likely to face. Each recipe solves a specific problem and provides a solution and in-depth discussion of it. More information here.