Projects

Most of the time, I have been working as a consultant, and for many different clients. Maybe you are interested in a more finegrained breakdown.

• 2023

  -

  2024
  For Dash0
  Early Stage startup | Developer Tooling
  As Senior Product Engineer, Lead Frontend Engineer
  Developing an observability solution with a focus on open-telemtery
  Next.js React.js TypeScript SWR Visx D3.js react-flow tailwind shadcn radix-ui Storybook Chromatic Kubernetes Go Gin Github Vercel Clerk
• 2022

  -

  2023
  For codecentric AG
  Company information service
  As Lead Frontend Engineer, Mentor
  Creation of a tool for the semi-automatic capture of company information documents
  React.js Next.js React Query canvas TypeScript Spring-Boot Postgres Gitlab CI Docker Kubernetes
• 2021

  -

  2022
  For codecentric AG
  E-Commerce
  As Engineer
  Connecting a swiss sales system to the online sales platform, developing a recommendation feed for a new app generation
  AWS AWS Lambda AWS Personalize AWS CDK AWS S3 AWS Kinesis Kotlin JavaScript TypeScript Python Gitlab CI React.js Redux Jest Pact Firebase Akamai Google Optimize Google Analytics
• 2019

  -

  2020
  For codecentric AG
  Insurance
  As Engineer, Frontend-Lead
  Developing a Mobile App for a customer portal
  React.js Redux Redux Saga Typescript Cordova cucumber.js Jest Spring Boot Java Microsoft Azure Cosmos DB Gitlab Jenkins
• 2017

  -

  2018
  For codecentric AG
  E-Commerce
  As Engineer
  Developing a tool to assist buyers in their global activity
  React.js Redux Redux Saga Flow Typescript Electron Jest cucumber.js Spring Boot Java Docker JUnit DB2 HSQL GitlabCI Jenkins
• 2018

  -

  2018
  For codecentric AG
  Coworking Space
  As Engineer
  Extension of a system for coworker management
  Elixir Phoenix Docker Postgres Github
• 2016

  -

  2017
  For codecentric AG
  E-Commerce
  As Engineer, Tester
  Developing of an order managerment system for a webshop
  Mule Spring JUnit Spark Framework Java
• 2016

  -

  2017
  For codecentric AG
  Insurance
  As Engineer, Tester
  Development of a customer portal
  Spring Spring MVC Thymeleaf jQuery QUnit Tomcat Jenkins Java
• 2013

  -

  2015
  For iks GmbH
  Financial information service
  As Engineer, Architect
  Developing tools to assist the process of the creation of business information documents
  Angular.js D3.js Karma Jasmine Grunt Node.js Java EE Spring Tomcat Jetty Maven Mercurial JUnit Mockito Java
• 2013

  -

  2013
  For iks GmbH
  Insurance
  As Engineer
  Web-based solution for advising and selling insurance products
  JSF 2.x Primefaces Spring Hibernate JAXB JAXWS jQuery Freemarker Apache FOP JBoss AS JUnit Mockito Subversion Maven Java
• 2009

  -

  2012
  For iks GmbH
  Financial information service
  As Engineer, Architect, Technical Project Lead
  Rich-Client System to create and manage financial information documents
  Eclipse RCP SWT JFace OSGi Java Java EE EJB 3 Spring Hibernate REST (JAX-RS, Jersey) SOAP (Axis 2) XStream JMS JAXB JUnit SWTBot PDEBuild EasyMock Subversion TeamCity Maven Ant Weblogic AS Oracle DB
• 2009

  -

  2009
  For iks GmbH
  Logistics
  As Engineer
  Web-based shipment data management
  Java Java EE Spring Spring MVC Spring Webflow Josso Groovy JavaScript jQuery JUnit Selenium Hudson Maven Subversion JBoss AS DB2/400
• 2008

  -

  2008
  For iks GmbH
  Insurance
  As Engineer
  Web-based solution for advising and selling insurance products
  Java Java EE Spring Spring Webflow JSF Hibernate Groovy JavaScript jQuery JUnit EasyMock Selenium TeamCity FitNesse Maven Subversion JBoss AS Oracle DB
• 2007

  -

  2011
  For iks GmbH
  Labor union
  As Engineer, Architect, Technical Project Lead
  Agency solution for the administration of insurance products as an extension of decentralised web-based member administration
  Java Java EE Struts JSP iText Selenium JUnit JavaScript Yahoo UI Ant Subversion Websphere AS DB2/400
• 2006

  -

  2009
  For iks GmbH
  Financial service provider
  As Engineer, Architect, Technical Project Lead
  Web-based merchant front-end for the credit sales of a financial services provider on the German and international market
  Java Java EE Spring Hibernate Struts JSP JavaScript jQuery Yahoo UI iText Jasper Reports AquaPDF JUnit Selenium Hudson Ant Maven Subversion Tomcat Websphere Glassfish MySQL DB2/400
• 2006

  -

  2006
  For iks GmbH
  Internal
  As Engineer
  Extension of a project management tool
  Java Java EE Struts JSP JavaScript Ant Subversion Tomcat MySQL
• 2002

  -

  2006
  For Chair of Process Control Engineering (ACPLT)
  University
  As Student Engineer
  Pre-ajax browser library to manage process control data and web-services to connect to process control systems
  JavaScript Java Mozilla SOAP Interface Axis Tomcat CVS