Projects

 
 
 
 
 
Senior Architekt
Seghorn GmbH
January 2023 – November 2024 Braunschweig
Design and implementation of a client portal for a service provider in the field of claims management. Connection to IBM iSeries data storage, modular design and CQRS data structure.
Duties
  • Requirement Engineering
  • Architecture conception
  • Database Design
  • Code Review
  • Implementation

Tags: Architektur, Requirements Engineering, Dokumentation

Frameworks: Java 17, TypeScript, VueJS, Spring Boot, JPA, REST

 
 
 
 
 
Senior Consultant
Systemum GmbH & Co.KG
September 2022 – December 2022 Braunschweig
Implementation of adapter programs for test evaluation in Polarion.
Duties
  • Connection of interfaces
  • Data transformation

Tags: SOAP, XML, Java

Frameworks: Java 17, Stax, CXF, Spring Boot, Picocli

 
 
 
 
 
Senior Architekt
Systemum GmbH & Co.KG
December 2021 – December 2022 Braunschweig
Architecture documentation in the embedded environment.
Duties
  • Analysis of existing documentation
  • Creation of an architecture concept

Tags: Architecture, Embedded, Documentation

 
 
 
 
 
Senior Architekt
Seghorn GmbH
December 2021 – December 2022 Braunschweig
Architecture analysis of an accounts claims management system.
Duties
  • Analysis of existing documentation
  • Creation of an architecture concept

Tags: Architecture, Embedded, Documentation

 
 
 
 
 
Developer/DevOps-Consultant
Verband der Vereine Creditreform e.V.
June 2021 – June 2022 Neuss
Development of a messaging platform for claims management. The aim of the project was to gradually replace legacy systems with standard software that is connected to existing systems via a messaging system using REST services and mappers.
Duties
  • Development in Java/Spring Boot
  • Further development of the CI/CD platform
  • Kubernetes deployment
  • Coachg

Tags: Java, Spring Boot, Mircoservice, Architecture, Kubernetes, Docker, Helm, OpenAPI, Hashicorp Vault

Frameworks: Java 17, Groovy, JPA, Spring Boot, Docker, Kubernetes, Ansible, OpenAPI, Jenkins, Maven, Jira, Confluence, git, Junit 5, Mockito, AssertJ, Scrum, Hashicorp Vault, AsciiDoc

 
 
 
 
 
IT Consultant
Verband der Vereine Creditreform e.V.
April 2019 – June 2021 Neuss
Architecture analysis of a distributed application. Revision of the build and deployment pipeline. Conception of a platform solution based on Kubernetes. Realignment of the architecture of the legacy system to Kubernetes. Coaching in Java, git, Helm, Spring Boot.
Duties
  • Architecture analysis
  • Further development of the CI/CD platform
  • Kubernetes Deployment
  • Kubernetes Security
  • Coaching

Tags: Java, Spring Boot, Mircoservice, Architecture, Kubernetes, Docker, Helm, OpenAPI

Frameworks: Java 11, Groovy, JPA, JAXB, Spring Boot, Docker, Kubernetes, Oracle, Ansible, OpenAPI, Jenkins, Maven, Jira, Confluence, git, Junit 5, Mockito, AssertJ, Scrum, AsciiDoc, Vue.js

 
 
 
 
 
Senior Java Developer
Systemum GmbH & Co. KG
April 2018 – April 2019 Braunschweig
Conversion of a fulfillment solution for e-mobility from JEE to self-contained microservices.
Duties
  • Development of Java components
  • Documentation of actual architecture
  • Creation of architecture proposals for the target architecture
  • Further development of CI/CD platform
  • Conversion from Jenkins to Gitlab CI

Tags: Java, Dropwizard, Google guice, Microservice, Architecture

Frameworks: Java 8, jUnit 4, Mockito, Plantuml, Asciidoc, git, gitlab-ci, AsciiDoc

 
 
 
 
 
Senior Java Developer
anderScore GmbH
February 2018 – May 2018 Köln
Further development of a system for address leasing and direct marketing.
Duties
  • Development of Java components
  • Design and development of Vaadin interfaces
  • REST services
  • Requirements analysis
  • Reverse Engineering

Tags: Java, Kanban

Frameworks: Java 8, jUnit 4, Spring, Vaadin, CSS, REST, SVN

 
 
 
 
 
Senior Consultant
Systemum GmbH & Co.KG
October 2017 – January 2018 Braunschweig
Creation and documentation of a modernization strategy for an Oracle ADF based software system.
Duties
  • Recording the core requirements
  • Analysis of the existing system architecture
  • Design of target architecture
  • Draft migration strategy and
  • Planning prototype implementation

Tags: Consulting, Software Architecture, Requirements Engineering

Frameworks: Oracle ADF, Java, Vaadin

 
 
 
 
 
Java Backend Entwickler
Valtech GmbH
July 2017 – October 2017 Düsseldorf
Further development of a system in the connected car environment.
Duties
  • Implementation in Java and Spring

Tags: Java, Scrum, SOAP, REST-Webservice, TDD, Agile Softwareentwicklung, BDD, LDAP

Frameworks: Java 8, jUnit 4, JAX-WS, Spring, Jenkins, soapUI, Insomnia, SVN, fitNesse, MQTT