Tasks: Implementation of stateful ETL pipelines connecting the contract management system, SAP BA, and master data management.

Technology: Kafka KStreams, Apache Avro, Spark, Java, Maven, SVN, Scala, Hive, Zeppelin

Architecture and design of integration solutions for a 200M€ project involving applications on mainframe, SAP, web, ETL.

Technology: Apache Kafka, Spring Boot, Spring WebFlux, Reactor, Vert.x, TestContainers, Jenkins, OpenShift

Architecture and design of integration solutions for a 200M€ project

Client: Ergo.

Tasks:

• Zukunftsarchitektur Vertrieb (ZAV), architecture and design of integration solutions for a 200M€ project involving applications on mainframe, SAP, web, ETL. 

Technology:

Apache Kafka, Spring Boot, Spring WebFlux, Reactor, Vert.x, TestContainers, Jenkins, OpenShift

Hybrid Customer, architecture and design of update services in a microservices based landscape.

Client: Ergo.

Technology:

Apache Kafka, Consul, Vault, Spring Boot, Spring Cloud, Jenkins

ETRM harmonization

Tasks:

• consolidation of multiple trading platforms into one ETRM OpenLink Endur that can be used across commodities and markets.
• Architecture of a solution for managing individual complex contracts in a standard ETRM (Endur).
• Evaluation of a MS Azure based operation of Endur

SHARP

Tasks:

• harmonization of the power dispatch landscapes in all E.ON European markets into a central solution for short term optimization and forecast operated out of MS Azure

CRIPPS

Tasks:

• integration of RuhrGas business into E.ON Global Commodities, migration of long term gas contracts into the ETRM Endur

Continental Power

Tasks:

• implementation of continental power markets in the ETRM Endur

Options and Structured Trading

Tasks:

• implementation of valuation and reporting of structured products

Software Development Life Cycle implementation

Tasks:

• Software Development Life Cycle implementation, introduction of Artifactory, Sonar, SVN usage guidelines et cetera

Ingeration

Tasks:

• Establishing the reference architecture and the roll out of the Oracle XML DB that is used in various integration scenarios as a data hub

Integration

Tasks:

• Establishing the reference architecture and the roll out of the JBoss Fuse ESB – an Enterprise Service Bus for the entire trading domain incl. trade capture/ETRM access, scheduling, et cetera

Endur Delivery Excellence process track, code, build and release management

Tasks:

• Endur Delivery Excellence process track, code, build and release management and environment management concepts for Endur

PowerMove (energy industry)

Role: software architect.

Duration: 7 months.

Client: Elektrizitätsgesellschaft Laufenburg (EGL).

Tasks:

• design and implementation of a bi-directional interface between Endur and a proprietary power scheduling system.

Technology:

WebSphere ESB, EJB, JAXB, JMS, Web Services, Endur.

Portal server productization programme (finance industry)

Role: technical project manager responsible for the management of the client and the third party personnel. Duration: 5 months.

Client: Royal Bank of Scotland.

Tasks:

• a programme to design the infrastructure as well as to establish the standards and the operating model to facilitate the adoption of the portal technology.

Technology:

WebSphere Portal Server, WebSphere Web Content Management.

Lufthansa GuideRes (airline industry)

Role: software architect and engagement lead.

Team size: 7 people.

Project size: 4,5 person-years.

Client: Lufthansa Passage.

Tasks:

• customization and migration of the call center application to the new SOA based platform. 

Technology:

Spring, Maven, Swing, OSGI, JBoss Rules, jBPM.

Remote Home Access (telecommunication)

Role: software architect.

Team size: 2 people.

Project size: 6 person-months.

Client: Deutsche Telekom AG.

Tasks:

• design of a concept for an access to home devices located behind a NAT/IAD. 

Technology:

Web Services, WebDAV, TCP/IP, UDP, xLightWeb, Spring Batch, Spring Web Services

Order Management System (telecommunication)

Role: software architect.

Team size: 2 people.

Project size: 8 person-months.

Client: UPC Broadband, Liberty Global, Netherlands

Tasks:

• evaluation of the interface to the operating support system and the design of the order management system according to this interface. 

Technology:

AquaLogic Service Bus, WebLogic Integration, Rules Engine, Spring Integration.

Role: Project manager IT and team leader with the responsibility for 12 people

Carpo Web-Application (telecommunication)

Role: software architect.

Project size: 1,5 person-years.

Client: Carpo AG.

Tasks:

• implementation of a multi-client and multilingual platform for VoIP services. 

Technology:

J2EE, Struts, Spring, Hibernate, Axis, XMLBeans, JAXB, JMX, MySQL Database, Tomcat Servlet Container, Apache Web Server.

T-Card Neu (telecommunication)

Role: project manager IT.

Team size: 8 people.

Project size: 5 person-years.

Client: Deutsche Telekom AG, T-Com.

Tasks:

• implementation of the TCard internet platform. 

Technology:

Tomcat Servlet Container, Apache Web Server, Struts, Hibernate, Spring, Quartz, JMX, MySQL Database

interRent (automotive industry)

Role: project manager.

Team size: 5 people.

Project size: 1,5 person-years.

Client: Europcar International Services, Paris.

Tasks:

• implementation of a multiclient and multilingual platform for the car rental company interrent.com. 

Technology:

J2EE, Tomcat Servlet Container, Apache Web Server, MySQL Database, OJB, Struts

TollCollect Internet Booking Platform (IEBS) (automotive industry).

Role: project manager IT.

Team size: 8 people.

Project size: 4 person-years.

Client: T-Systems AG.

Technology:

J2EE, Oracle Application Server, Struts, Oracle Database.

GelbeSeiten Deutschland (Print industry).

Role: software architect.

Client: GelbeSeiten Deutschland GmbH.

Technology:

Java, Verity.

Training courses:

• Software modeling with UML
• Component-oriented programming with EJB

Eurodelphes (telelearning).

Role: project manager IT.

Team size: 3 people.

Project size: 1,5 person-years.

Client: European Union.

Technology:

Java Applets, Swing, LDAP, Netscape Server Suit

Comenius, Telestudent (telelearning).

Role: java developer and software architect.

Client: Deutsche Telekom AG.

Technology:

Java Applets, Swing, LDAP, Netscape Server Suite