Jan 2018 - current

Mobile Software Engineer

Selfemployed / Freelancer

Working as a freelancer for various companies, creating digital experiences. Let's work together!

Jan 2018 - Dec 2018

Mobile Software Engineer

Vodafone Germany / crvsh

Together with the people at crvsh we created various prototypes within Vodafone Germany's digital disruption lab which later were used in production.

Sep 2015 - Dec 2017

Android Developer


With the Android team I worked on the trivago hotel search app which is used by more than 10 million people in over 56 countries worldwide.

Nov 2014 - Aug2015

Android Developer

grandcentrix GmbH

At grandcentrix I for example worked together with the Android team on the smart home app for Miele.


2014 - 2017

Engineering Informatics

FH Aachen University of Applied Sciences

Besides teaching Android development and organising several hackathons / meetups, I finished my Bacherlor's degree.

2012 - 2014

Computer Science

RWTH Aachen University

Studied computer science in Aachen, joined the local Google Developer Group and started organising professional tech meetups.

2003 - 2012

Graduated in Computer Science and Physics

St. Ursula Gymnasium Düsseldorf

Back then I was already an active member of our school's internet club where we discussed new technologies with fellow students.

Download my CV


Android Development

Flutter Development

Backend Technologies

Digital Consulting






Daniel Hennighausen


“Frederik continually impressed us in every aspect and demonstrated a great set of competences. Furthermore, he is always up-to-date on all of the latest tech developments and smartly thinks ahead in sharing relevant updates and changes with the team. He usually also has very valuable insights on market developments and trends.”


Joss Zimmermann

Vodafone Germany

“He is a very positive, innovative and enthusiastic guy. Most of the time he's on fire, which brings enormous value to the product, the company and his colleagues.”


Gero Keller


“Frederik is a creative, challenging and engaged colleague who is willing to go the extra mile.”


Julian Melzig


“Super nice guy with whom you can have a lot of fun in the office and some intense, productive side-by-side working sessions. His coolness and relaxation brings a funny and open atmosphere into the office.”