This is an incomplete list of my professional work experience. For a more comprehensive list of projects I have worked on, see my body of work.


2012 – today Freelance Software Engineer and Architect

As a freelancer, I have worked on a number of projects. Some are listed here, but you can see a more complete body of work here.

2016 – today IMMMR

Lead Engineer Core SDK, Freelance

I joined this communication and messenger startup of Germanys biggest ISP as part of the backend team to restructure and reimplement the backend and database services. Soon after I proposed a structural change to implement the core database replication features on through a cross-platform SDK team which I am leading.

· CouchDB · Python · iOS · Android ·

2012 – today OpenTechSchool e.V.

Founder, Chairperson (2013 - 2015), Organiser

Founding Core Member of the OpenTechSchool Initiative. A volunteer run non-profit, organising learning events and workshops in coding and tech. As part of the local Team in Berlin, I am helping organising workshops and other events there, on the global level I am overseeing the technical infrastructure and operations. As part of team blueprint I am working on the bigger picture and the more long-term vision and strategies of the organisation.

Chairperson of Board of Directors from 2013 - 2015.

2016 – today The Bashy Initiative

Founder, Director

Founder and Director of The Bashy Initiative – taking care of people in open source. The Bashy Initiative is an umbrella organisation for projects, services and events to improve the infrastructure behind open source, with a special focus on the needs, mental health and work life of the open source citizens.

As Founder and Director I transferred some of my personal projects over to the organisation, am actively building and creating others as well as spread the word about the Initiative.

· · Clippy-Service · Launchpage ·

2013 – 2016 Hackership

Founder, Lead-Coach

Born out of the necessity for a more intense programme in OpenTechSchool, Hackership is a 9-week, self-paced learning retreat for developers. It is organised as a non-profit social enterprise. Next to providing education, it is our goal to help foster a more diverse and welcoming tech culture.

As part of the core team, I help formulate our strategy and execute our long-term visions, during batches I lead the coaches and coach learners coach our learners and oversee internal processes and infrastructure. Within Hackership we’ve built the review app and antelope.

· Mentor · Engineer · Founder ·

2015 - 2016 GlückGames

Lead Frontend Engineer, Freelance

Joining this growing casual casino games startup for a few months to architect the first iteration of their in-house-developed HTML5 games with realistic physics engines, high class animations and quick, react-js-based UI updates.

· HTML5 · ReactJS · ES2015 (Babel & Webpack) ·

April - Nov 2015 NewRelic

Architect and Engineer, Freelance

For their externally used Discourse-based support forum NewRelic approach me to develop an Answers & Points plugin for Discourse. Over a the time frame of half a year I lead the specification, design and development of that plugin with the company as well as other subcontractors.

· Discourse (Rails & EmberJS) · Postgres ·

2014 - 2015 WerWeissWas

Chief Architect and Engineer, Freelance

Over the course of one and a half years, I lead the rewrite of Germanys second biggest Question-and-Answer-Community “”, based on a highly adapted Discourse fork. As the chief architect I was responsible to design and implement the system changes for the long-term as well as translate the business requirements into tech specifications the team could implement. As such I was closely working with non-technical and technical personal alike.

· Discourse (Rails & EmberJS) · Postgres ·

April - August 2014 Thermondo

Backend Engineer, Freelance

Joining this growing startup as a backend engineer for their internal process management and delivery tool, I was responsible for implementing specific Business and Sales-cases on the Django-Rest PostgreSQL-backed Software stack.

· Django · Postgres · React ·

2012 - 2013 Crowdbet

Founder, CTO

As the technical co-founder my primary responsiblity was to build and run the crowdbet betting platform, overseeing the market maker and develope the product further. Aside, I was also helping out with fund-raising, company strategy and business development. .

· Flask · SocketIO · Postgres · Angular ·

2012 - 2013 Gapbird

Software Architect and Engineer, Freelance

Designed and implemented a full-featured crowdfunding platform for hollywood movies and high end series. As the key developer I was responsible for the entire Web-Platform from the Django backend to Javascript frontend, as well as managing the project from specifications over design to implementation.

· Django · Postgres · jQuery ·

2011 - 2013 Club der Beschleuniger

Founder, CEO

I cofounded Club der Beschleuniger, a collective (Genossenschaft) of software developers, who help startup set up and execute their business ideas by providing technical knowledge, expertise and hands-on coding.

· Founder · Project Manager · Engineer ·

2009 - 2012 Prozentor

Software Engineer, Product Manager

I joined to help get a big client project out of the door, but throughout took over more project responsibility, rebuild the entire release and quality assurance process. Among others, here I started my first in-house startup, socialism.

· Pyramid · Oracle DB · jQuery ·

2007 - 2009 Fluendo Embedded

Software Engineer

I joined a team of three in Barcelona, to build an open source set-top-box multimedia center – similar to the AppleTV – called Moovida. As a generalist I was building as much frontend as I was designing and building architecture in the backend of the framework.

· Python · SQLite · GStreamer ·

2006 - 2007 Stiftung Eben Ezer

Civil Service

I served my civil service as a teacher at an elementary school for mentally disabled kids.


2013Cocktail Barmixer Certificate (IHK)

Barschule Berlin, Berlin


Felix-Fechbach-Gesamtschule, Leopoldshöhe