References

11.2017 – 05.2021
Deutsche Bahn AG, Berlin:

Design & development of a new Traveler Information System.

Services & Adapter design & development – Interfaces & backend

Technologies, tools & methods: Java, AWS, Spring, Spring Boot, ReST, PostgeSQL, Gradle, TDD, CCD, IntelliJ.

06.2017 – 10.2017 E Breuninger GmbH & Co., Stuttgart:

Design & development of a new onlne shop based on Micro Services & Domain Driven Design.

Component design & development – frontend & backend

Technologies, tools & methods: Java EE, Spring, Spring MVC, Spring Boot, ReST, Node.js, PostgeSQL, Gradle, Tomcat, TDD, CCD, IntelliJ.

05.2016 – 05.2017
Kassenärztliche Vereinigung Bayerns, Munich:

Redesigne of a system recording medical treatment documentation.

Redesign and Refactoring of a web-application built 2012-2013:

Analysing usage of the system

Improving performance, test coverage and deployment chain and duration.

Technologies, tools & methods: Java EE, Spring, Hibernate, ReST, SOAP, Oracle, Gradle, Tomcat, TDD, CCD, IntelliJ.

10.2015 – 04.2016
Kassenärztliche Vereinigung Bayerns, Munich:

A system to file and validate medical treatment reports with focus on quality assurance.

Co design and development of a micro service driven system providing tools to upload, validate, evaludate and administrate medical treatment reports.

Technologies, tools & methods: Java EE, Spring Boot, Spring, Hibernate, ReST, SOAP, Oracle, Gradle, Tomcat, TDD, CCD, IntelliJ.

06.2015 – 09.2015 Device Insight GmbH, Munich:

A solution to provide M2M (IoT) communication.

Co Design and development of a solution to provide the administration and management of boiler units via a central system.

Technologies, tools & methods: Java EE, ReST, Spring, Hibernate, XMPP, Openfire, Smack, Maven, PostgreSql, Jetty, IntelliJ.

04.2014 – 04.2015 emnos GmbH, Munich:

Lead marketing solution to join and administrate marketing activities and offers.

Design and development of ‘Nominator’ – a leading marketing system. The system is a single page web application.

Technologies, tools & methods: Java EE, JavaScript, Backbone, ReST, Spring, Hibernate, Git, Gradle, PostgreSql, Tomcat, Jetty, IntelliJ, SCRUM.

01.2014 – 03.2014 iC-Consult GmbH, Munich:

Single signon solution for a global auto motive player.

Development of an single sign on solution for the web presence of an international corporation in the auto motive sector.

Technologies, tools & methods:Java EE, JPA, Hibernate, EclipseLink, JPA, ReST, Jersy, SOAP, Maven, Tomcat 7.x, Oracle EX 11.x, SQL, SVN, Eclipse.

01.2013 – 12.2013 Siemens AG, Munich:

Web Application administring stock portfolio of employees.

Co Design and development of a web application providing functionality to administrate stock portfolios of employees.

Technologies, tools & methods:Java EE, JSF, Hibernate, JPA, SOPA; ReST, Maven, Tomcat 7.x, Oracle, SQL, SVN, Eclipse.