Softwareentwicklung & Beratung

5/2018 – 10/2019

Built the backend & infrastructure for a MVP web/mobile application.

Amazon Web Services (AWS), Ansible, PostgreSQL, Python

11/2017 – 6/2018

Overhaul & extension of a quantitative analytics library

Pandas DataFrame, Python

11/2017 – offen

Replaced old UI of the sign language video dictionary with a new website. Integrated new formats (360 degree images, Maps) for showing the video content.

Amazon Web Services (AWS), PostgreSQL, Python

8/2017 – 10/2017

Helped building the prototype for a IoT sensor module which will be deployed on street lamps and collect radar data about traffic. Main responsibilities in the project was to coach people around Python 3, do code review & pitch in during time of approaching deadlines.

Amazon Web Services (AWS), Internet of Things (IoT), Python

3/2014 – 5/2017

Product service team: Lead backend developer (Feb 2016 - May 2017)
A newly created team that took over the responsibilities for on-site search data and product relevance calculations. We created a service layer between the search engine and consumer teams (Website/Mobile apps) and moved some ranking functionality from daily processes to a on-request basis.
Technologies: Scala (Finatra/Finagle), Python, MySQL, SOLR, Google BigQuery, Docker, AWS (EC2, Cloudformation, RDS), Varnish

Search Engine Advertising team: Backend developer, People manager (Jan 2015 - Feb 2016)
In the move towards cross-functional teams, I took over the technical responsibilities for the SEA team. We moved a lot of functionality from a monolithic application to smaller services and from self-hosted servers to EC2- and Docker-based deployments. In this time I also took over people management duties for 2-3 other developers.
Technologies: Python, JS/CSS, PostgreSQL, Docker, AWS (EC2, Cloudformation, RDS)

Backend team: Software developer (Mar 2014 - Jan 2015)
A scrum team that developed mostly internal tools for most of Stylight's departments. I was part of the feature development (both frontend and backend) as well as internal support.
Technologies: Python, HTML/Javascript/CSS, MySQL, Java, PHP, Jenkins

Amazon Web Services (AWS), Java (allg.), Jenkins, mySQL, PHP, PostgreSQL, Python, Scala

10/2012 – 2/2014

I worked as a software developer in a Scrum team (distributed between Passau and Berlin) on the main product “Camato”, a SEA campaign management tool. My responsibilities included (mostly backend) feature development, support for internal users and the setup of the CI pipeline.

MongoDB, Pascal, PostgreSQL, Ruby on rails, Scala, Testautomatisierung