Senior Software Engineer

6/2020 – 10/2020

Kotlin · Spring Boot · JPA · Terraform · SOAP · Amazon Web Services (AWS) · Back-End Web Development · RESTful WebServices · Mentoring

Softwareentwicklung (allg.)

10/2019 – 3/2020

Backend development and maintenance of Akka
Http Scala and Spring Java based microservices.
Modularization, code improvement and
introduction of orthogonal design in existing legacy
apps.

Backend

4/2017 – 8/2019

Fighting fraud, phishing and spam with machine
learning.
Data mining and reports with Spark and stream
based solutions.
Development and maintenance of backend apps
with a reactive architecture approach.
Everything in the Cloud (AWS).
PoC and preparing workshops about functional
programming.
Fighting fraud, phishing and spam with machine
learning.
Data mining and reports with Spark and stream
based solutions.
Development and maintenance of backend apps
with a reactive architecture approach.
Everything in the Cloud (AWS).
PoC and preparing workshops about functional
programming.

Backend

7/2016 – 12/2016

Implementation of new features and Spring boot
based microservices for the existing web
applications.
Investigation of new technologies (PoC) and
preparation of workshops for the employees.

Backend

3/2015 – 6/2016

Backend development of Java Spring based apps for the
following customers:
myToys
eBay Motors Pro
mobile.de
Suche.Fortbildung.NRW
Java

Backend

7/2014 – 9/2014

Frontend and Backend development of the marketing
tracking tool MotilityAds.

Full-Stack

5/2012 – 5/2014

Development of the existing JEE web app.
Implementation of solutions for the administration
of user data.
Bug fixing, code and performance improvement

Full-Stack

9/2011 – 2/2012

Customization of the Java-based trading software endur
according to customer requirements.

Backend