Experience

09.2021 - present

CEO and Co-Founder

Certado GmbH, Königsbrunn

Conception, Development and Marketing of the cloud-based application "PSA-Audit".

  • Java 11
  • Kotlin
  • Angular
  • Quarkus
  • Docker
  • PostgreSQL
  • Ionic
  • NGRX
  • RxJS
  • jQuery
  • PHP
06.2016 - present

Co-Founder and Senior Software Developer / Consultant

CGH IT-Solutions GbR, Aachen

Modern Full-Stack web development and consulting with focus on cloud-based applications.

  • Conception, development and marketing of the SaaS products "SkedFlex Fitness" and "PSA-Audit"
  • Conception and development of a bolt testing program with interfaces to external sensors
Project assignments:
  • Consulting and support for the development of a cloud solution for the automotive sector
    • Backend: Development of REST based microservices with Spring Boot.
    • Frontend: Development of a SPA with Angular.
    (4 times recommissioning by material.one AG - Total period: 04.2020 - 09.2023)

  • Java 17
  • Angular 14
  • Spring Boot
  • Quarkus
  • Docker
  • JFreeChart
  • JasperReports
  • WildFly
  • nginx
  • PostgreSQL
  • Microsoft SQL Server
  • NGRX
  • RxJS
10.2017 - 12.2019

Senior Software Developer

logsolut AG, Augsburg

Development and implementation of Java EE, Spring Boot and Angular applications in the area of automotive.

  • Conception and development of a gateway passing encrypted company data to the correct supplier.
  • Development of a grid-based web application with Angular for capturing test results of laboratories according to norms defined by OEMs.

  • Java EE
  • Java 11
  • Spring Boot
  • Angular
  • WildFly
  • Activity
  • Liquibase
  • PrimeFaces
  • Maven
  • Git
  • SQL
  • NGRX
  • RxJS
  • Typescript
09.2012 - 09.2016

Software Developer

SCT Supply Chain Technologies GmbH, Herzogenrath

Development and implementation of Java EE applications in the area of logistics and scheduling.

  • Development and conception of a monitoring tool via e-mail.
  • Creation of a DSL (Domain Specific Language) for the unified definition of external, SQL-based interfaces./li>
  • Further development and maintenance of the product "DISKOVER SCO".

  • Java EE 5
  • Java 7/8
  • JSF
  • PrimeFaces
  • Vaadin
  • WildFly
  • Xtext
  • Xtend
  • SWT
  • MySQL
  • Oracle
  • Microsoft SQL Server
  • DB2
09.2012 - 09.2016

System Developer

PSI Metals Non Ferrous GmbH, Würselen

Maintenance and integration of MES and FLS software.

  • Further development and maintenance of MES software partly on site.

  • Java EE 5
  • JBoss AS
  • JFC (Swing)
  • Java 6/7
  • Oracle
  • MySQL
  • Microsoft SQL Server

View my Curriculum Vitae