- Spring Cloud Microservices

- Spring Boot
- Spring WebFlux
- Angular 6
- JUnit, Mockito, Selenium, REST Assured, Saucelabs, JMeter, Appium
- Cloud Foundry, Bamboo
- Spring Data, Postgres
- Payment Processing with LogPay, Elara, PSD 2, SCA
- Android App Development
- SCRUM
- Code Reviews

- Microservices

- Application Development based on JEE
- REST and JAX WS Webservices
- Persistence using JPA and Postgres DB
- CI with Jenkins, Openshift
- Testing with Karate, Cucumber, Moskito, EasyMock, Wiremock
- DevOps
- Glassfish application server
- Error analysis with Kibana and Dynatrace
- SCRUM

Senior Developer - Automotive

- Design of a Web Application for motorcycle sales reports
- Architecture design based on Spring and Vaadin
- Persistence using JPA/PLSQL
- GUI Development with Vaadin 10
- GUI design
- Glassfish application server
- Spring Security, Siteminder Integration
- Excel reports with POI, POI Performance analysis
- Import of registrations with POI
- SCRUM

Design and Implantation of a Medication Management System

- Frontend with Angular 5 und Material, Typescript
- RESTServices with Spring
- Security with oAuth2 and and Spring
- Application setup with Spring Boot
- Persistence with Spring, JPA and MySQL
- Blockchain Integration with web3
- API Modellierung with Swagger
- Chat Client with XMPP
- Docker

• Concept/Architecture/Implementation for a migration of Portlets to JSF Web applications
• GUI Development with JSF
• Responsive Design for Mobile Devices with CSS3
• Micro-Services with Camel and Spring
• Persistence with Spring, JPA, Oracle, MySQL
• Application Servers: Tomcat, JBoss
• Testing with JMockIt, JUnit, Selenium
• Continuous Delivery with Maven, Jenkins
• Cross-Browser Testing with Browserstack

• Frontend extensions with AngularJS
• DB Migration with Flyway
• Job Monitoring
• Java Security with JAAS

• Financial platform for the worldwide digital market
• Integration of international affiliates and clients
• Team management and offshore coordination
• Introduction of agile practices
• Implementation of a PDF generator for ExtJS charts

• System analysis
• Comprehensive refactoring (persistence, validation, exception handling, transactions)
• SSO with Siteminder
• Batch import for Excel files
• Testing with Mockito and JUnit
• Build and deployment management using Maven and Jenkins

• Architecture design
• Technical proof of concepts
• GUI Design and development using ExtJS
• Development of a custom ExtJS component to manage production timelines
• ExtJS workshops
• Performance tuning
• Tests with JUnit, Mockito

• GUI Development with JSP, Javascript und JQuery
• Persistence using Hibernate
• Process modelling with Activiti
• DB programming using MS SQL Server and T-SQL
• Technical concept for JEE migration

• Frontend architecture
• Business analysis
• GUI implementation with ExtJS
• Migration of existing systems to ExtJS
• Selenium tests

• Implementation of web services based on JAX-WS
• Data transformation using XSLT
• Tests with EasyMock und JUnit

• Generic forms for technical data maintenance based on metadata stored in SAP
• Frontend development with ExtJS
• SAP backend integration with JCo
• Integration of a custom document management system
• Tests with JUnit
• Business analysis

• Implementation of REST services for service history and dealer locator
• GUI development of the dealer locator using JQuery and Google Maps API
• Integration of services into mini.de and bmw.de
• Backend integration of a geo information system using JAX-WS
• Performance and stress tests with Loadrunner and JMeter
• Registry app for iPhone users
• Security implementation using JAAS
• Backend implementation with JPA und EJB3
• System design with UML
• Code generation with OAW
• Technical proof of concept for service integration into CQ5
• Servlet filter for real time monitoring of web portals
• Business analysis and cost estimation for a large scale project

• GUI development with ExtJS
• Integration with SAP
• Drag&Drop implementation for tree structures

• Specification of a REST architecture
• Build management with Maven, ANT and Hudson
• Integration of reusable Javascript libraries into web portals
• Development of REST services using JAX-RS and JSON
• Profile administration tool based on JSF
• Backend implementation with JPA and EJB3
• Configuration and maintenance of the GlassFish environment

• Migration to Allianz Portlet Framework based on Portlets, JSF and Spring
• Backend development with Spring and Hibernate
• Development of a test framework to record test data with Selenium
• Refactoring to support Dependency Injection using Spring

• Implementation of services to integrate the RCP Client with the host system
• Architecture design
• Technical proof of concept
• Development of a test framework
• Generic mapping of host data structures to java business objects
• Performance analysis and tuning

• Design of a generic rating system
• Architecture and implementation
• Business analysis
• Configuration and maintenance of the server environment