Ex-Amazon Senior Software Engineer

2/2018 – 5/2023

Develop maintainable and scalable software, applications and tools for the Amazon Selection & Catalog Systems branch as a technical lead, mentoring and supporting team members.

Amazon Web Services (AWS), Apache Spark, DevOps, Java (allg.), Python, Scala, Software Architektur / Modellierung

8/2012 – 2/2018

Design, Implementation, Maintenance, and Improvement of Embedded Software (>100k LOC) for High-End Civil Engineering.

Projects (excerpt):
● Design and lead implementation of new application based on existing firmware
● Design and implementation lead on bringing modern fonts to a legacy software
version
● Implement drivers for new modem and radio communication devices for GNSS
sensor
● Port Windows code to make a GNSS sensor run Linux, while improving reliability,
accuracy, and code quality of central time library
● Some innovative improvements, e.g. simplified and more robust arc approximation,
protecting against device disconnections using a Kalman filter
● Find bug on high end device, which was affecting customers for weeks

Embedded Systems, Software Architektur / Modellierung, C++, Qt

4/2012 – 7/2012

Design and development of on-farm surveillance software "PigSurfer" to support animal health. First system to do on-farm surveillance, gathering data from 75 farms in the first year.

Android, CSS (Cascading Style Sheet), HTML, Java (allg.), Jetty