I write iOS apps since 2013 and have been creating web based administration tools and services for over 15 years. I have experience working in both industry and scientific research.

I am not accepting any new freelance work at this time.


Filemo 2019 (solo project)

Inventory Management System 2018 (solo project)

  • Barcode scanning survey app for iOS and Android
  • Back office web interface with user management, PDF reports
  • Custom vector based signature format
  • Product description

Hivemind AG 2017 – 2019 (21 months)

  • Embedded firmware development for IoT devices
  • Lead architect for IoT cloud platform (main product)
  • Wrote multiple platform backend components in Java and Node

Rapyuta Robotics 2016 – 2017 (9 months)

  • 2 months in their Tokyo office, 7 months remote
  • Web app for collaborative path planning using DeltaSync, React and Mapbox
  • Various backend work in Python and Node

SugarPrompt 2016 (solo project)

HeapCraft 2014 – 2015

  • Telemetry system for player behavior analysis in Minecraft
  • Scientific analysis of the collected data
  • Project website

Schindler Elevator CO. 2013 – 2014

  • iOS app development for internal use by field technicians
  • Developed server backend, sync solution and online administration frontend
  • Project description

Skybotix AG 2012

  • Implementing the MAVLink protocol for the Flybox drone


  • Programming ability in JavaScript, PHP, Swift, Java, C, Objective-C, C#, C++, Python, SQL, R
  • HTML, CSS, LaTeX, Matlab, EAGLE (PCB design), Adobe Photoshop, Adobe InDesign
  • Design, manufacturing and debugging of circuit boards using SPICE and testing equipment
  • German (mother tongue), English (proficient), French (working knowledge)