Hey, I'm Christian.
I build digital products
with code and a bit of design.

Selected Work

More than the grid can handle

System to distribute the available current amongst the connected electric cars. So more of them can charge.

Spring

Embedded

The invisible machine

State machine framework, based on the UML specification. Used to model the application logic for embedded devices.

Java

UML

Embedded

A dashboard of fresh air

Platform to manage the location, ownership and measurement data of CO2 sensors. Allowing you to monitor a room’s air quality.

Tailwind

Django

This seems interesting

Allow users to save interests and show them other users with the same interest across the website.

Next.js

Styled Components

Scan & Charge

Connect to a charging station, scan a QR code, select a duration and enter your credit card. No registration required.

Flask

jQuery

Embedded

Something to digest

Turn API data into responsive email digests. Providing insights into people’s Twitter following.

HTML

CSS

Node.js

Career

Instead of planning your career, focus on developing skills and pursuing opportunities.

Marc Andreesen

2021 – 2022

Fullstack Developer at borg

Mar 2021 – Jun 2022

for most of the time solely responsible for the frontend
refactor entire code base to follow an atomic design approach, which made the development of new features faster

implement new features in cooperation with design and backend
integrate analytics to enable data driven product development

2020 – 2022

Freelance Developer

occasional project-based work, for example:

rewrite WordPress based website in Next.js, including mobile friendly redesign
design and develop a dashboard for CO2 sensors and their measurement data

2018 – 2020

System Architect at ubitricity

Sep 2018 – Sep 2020

develop a local load management solution, which allows a parking garage to server more electric cars than the electric grid could otherwise handle

move on demand charging solution from a proprietary to an open protocol (OCPP) to integrate charge points with third party backends, which won the company significant business

2014 – 2018

Software Developer at ubitricity

Oct 2014 – Aug 2018

develop QA software to test embedded devices
develop state machine framework
develop embedded firmware using state machines as the core abstraction

single-handedly develop a ‘greenfield’ project to allow for an entirely new use case (which lad to a strategic pivot of the company)

About Me

Born in Berlin and never left.

I learned to program while studying mathmatics. That started my passion for building things. I dropped out to join a startup. And I have been developing software ever since.

Outside of work I love to read (mostly non-fiction) and dance Tango.