Jörg-Ulrich Hammerbacher - Dataflows for Health Insurers

Q: Where is Jörg-Ulrich based?

Jörg-Ulrich is based in Friedrichsdorf, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Jörg-Ulrich speak?

Jörg-Ulrich speaks the following languages: German (Native), English (Advanced) .

Q: How many years of experience does Jörg-Ulrich have?

Jörg-Ulrich has at least 30 years of experience. During this time, Jörg-Ulrich has worked in at least 26 different roles . The average length of individual experience is 1 year and 2 months . Note that Jörg-Ulrich may not have shared all experience and actually has more experience.

Q: What is Jörg-Ulrich's latest experience?

Jörg-Ulrich's most recent position is Dataflows for Health Insurers .

Q: Which industries is Jörg-Ulrich most experienced in?

Jörg-Ulrich is most experienced in industries like Information Technology (IT) , Banking and Finance , and Tourism and Hospitality . Jörg-Ulrich also has some experience in Insurance , Transportation and Logistics , and Telecommunication .

Q: Which business areas is Jörg-Ulrich most experienced in?

Jörg-Ulrich is most experienced in business areas like Information Technology (IT) , Product Development , and Quality Assurance (QA) . Jörg-Ulrich also has some experience in Business Intelligence , Logistics , and Project Management .

Q: Which industries has Jörg-Ulrich worked in recently?

Jörg-Ulrich has recently worked in industries like Information Technology (IT) , Insurance , and Banking and Finance .

Q: Which business areas has Jörg-Ulrich worked in recently?

Jörg-Ulrich has recently worked in business areas like Information Technology (IT) , Business Intelligence , and Product Development .

Q: What is Jörg-Ulrich's education?

Jörg-Ulrich attended education in Computer Science .

Recommended expert

Friedrichsdorf, Germany

Experience

May 2024 - Present

1 year 11 months

Dataflows for Health Insurers

Enhancement and creation of dataflows for health insurers
Data management of various storage systems (DB2, MSSQL, PostgreSQL, S3, custom APIs, …)
Documentation and training
Planning and rollout of NiFi 2.X (major upgrade)
Grafana integrations for visualization, monitoring and alerting
Extensive use of the nifi-api to continuously monitor the state of the system and its components

Jan 2024 - Apr 2024

4 months

Setup and development of a BI solution / data platform in the energy sector

Initial setup and development of the overall system
Ongoing consolidation of power generation data - building ETL flows to integrate load profile data from different wind and solar parks
Visualization of power generation, prices, etc.
Monitoring, observation, alerting
Automated analyses
Setup of a security infrastructure (servers, agents) to detect and alert on intrusions and security events (OSSEC)
Setup of a private virtual network (OpenVPN server/clients)
Setting up a relay email service

Dec 2023 - Dec 2023

1 month

Enhancement of a bank-wide data platform

Updating the data platform components at the hosting partner for all environments
Extending extensive NiFi flows for various production applications
Training employees in technology areas
Anonymization of customer and sales data

May 2023 - Nov 2023

7 months

Enhancement, optimization, documentation and knowledge transfer of an ETL and search solution for corporate customer master data

Expansion of core business solutions (mainly in NiFi)
Updating development infrastructures (Apache NiFi, Apache Solr cluster, ...)
Load and performance testing with overall system optimizations
Knowledge transfer
System documentation (e.g. TechSpec)
Data anonymization for testing purposes

Nov 2021 - Apr 2023

1 year 6 months

Setup and development of a bank-wide data platform

Consulting on tool selection
Installation and configuration of data platform components at the hosting partner for all environments
Creation of extensive NiFi flows for various production applications
Setup of a central log server that consolidates production logs and makes them searchable
Training employees in technology areas
Anonymization of customer and sales data

Jul 2019 - Sep 2021

2 years 3 months

Development of various IT solutions - especially in the open source search domain

Conducting evaluations and proof-of-concept implementations
Building core business solutions (primarily in NiFi)
Setting up, distributing, and using development infrastructures (Apache NiFi, Apache Solr cluster, ...)
Load and performance tests with overall system optimizations
Developing the access service layer (RESTful)
Setting up various security infrastructures

Jan 2018 - Jun 2019

1 year 6 months

Architecture, design, and implementation of a solution for the continuous centralization and updating of globally distributed

Contributing to the core idea of the solution
Prototypical implementation
Building the core business solution (mainly in NiFi)
Setting up, distributing, and using development infrastructures (Apache NiFi, Apache Solr cluster, Spring application)
Load and performance tests with overall system optimizations
Developing the access service layer (RESTful)
Continuous, development-driven communication and coordination with client systems to improve the overall solution
Setting up various security infrastructures

Mar 2011 - Dec 2017

6 years 10 months

Modernizing architecture and further developing the enterprise-wide search engines for a large German private bank

Designing the new system architecture and building the platform/enterprise-wide secure, scalable search engine ecosystem
Load and performance tests with overall system optimizations
Setting up, distributing, and using development infrastructures (Maven, Hudson/Jenkins, Nexus, MySQL, Wiki, Backlog, ...)
Database design with access layers
Developing and implementing project-specific monitoring solutions
Introducing extensive unit and web front-end tests
System documentation (e.g., TechSpec)
Designing and creating SOAP web services and JSON interfaces for in-house client systems with consulting
Developing and integrating a security connector framework
Setting up various security infrastructures

Nov 2010 - Feb 2011

4 months

Development including load and performance optimizations for the budget-oriented entry of a large vehicle configurator

Building parts of the administration logic (front end and business logic)
Load and performance tests as well as overall system optimizations
Migrating the application from a BEA cluster to a GlassFish cluster
Automating the entire application (e.g., cron jobs)

Sep 2010 - Jan 2011

5 months

Creating an international web application for selecting protective clothing

Initial setup of the complete development infrastructure
Architecture and design of all middleware services
Conceptualization of the domain model and database design
Presentations of results
Support in front-end development

May 2010 - Aug 2010

4 months

New development of a reservation system for a large German tour operator

Analysis of the existing travel document production process
Design of the sub-area for the new system in UML
Presentations of results
Organizing and conducting ongoing coordination with the Architecture Board
Clarification, evaluation and implementation of a variety of new requirements (features)

Jul 2009 - Apr 2010

10 months

New development of a group-wide CRM system for a large German private bank

Technical Lead for the ServiceLayer team
Planning and tracking Scrum stories
Coordination and alignment of a variety of reference and client systems
Development, alignment, and implementation of architecture topics
Technical integration of reference systems
Detailed design and implementation of service operations

Aug 2008 - May 2009

10 months

New development of a telecommunications monitoring platform

Review and extension of domain concepts
Complete development of various IT concepts and architectural aspects
Implementation of full GUI perspectives (complete creation of the interface, integrations and database optimizations; print functionality; ...)
Connection and integration of a search engine
Introduction of unit tests
Coordination with quality assurance

May 2008 - Jun 2008

2 months

Elaboration of architecture modernization

Detailed documentation of a future alternative architecture with pros and cons of all involved system components
Support in the preparation and presentation of results

Jan 2008 - Apr 2008

4 months

Relaunch of the bank portal (Extranet)

Further and new development of various portal functions: table of contents lists; login/MyProfile processes and dialogs; voting; online survey; newsletter distribution; content functions: automated order requests, contact forms, and forwarding functions
Integration of current market and stock exchange data from a supplier into the portal

Mar 2007 - Dec 2007

10 months

Design and implementation of new standalone application components in the context of an intranet eCRM system

Concept, design, and implementation of the new standalone application component using Java Server Faces (first-time use at the client) and iBATIS
Ongoing adjustments and improvements of this application component at the request of various business units
Further development of existing eCRM application modules
Introduction of new technologies (JSF, iBATIS) and staff coaching
Conducting and analyzing load and performance tests
Presenting analysis results with recommendations for action
Implementing performance optimizations for the entire system

Jan 2007 - Feb 2007

2 months

Enhancements to the corporate intranet and public website

Creating IT concepts
Goal-oriented coordination with the business department
Execution of various "small tasks"

Nov 2005 - Dec 2006

1 year 2 months

Company-wide unique customer identification according to Basel II / US-GAAP

Architecture, design, and implementation
Implementation of the Eclipse RCP client (first-time use at the client)
Build process management
Setting up and managing the project wiki
Staff coaching

Jan 2005 - Sep 2005

9 months

Evaluation of an existing software solution and development and integration of a prototype into the existing booking

Evaluating and recommending a partially existing solution
Conceptualization, design, and implementation of the new JSF prototype
Participation in strategic company concept and documentation for the 'Future Leisure Platform'
Supporting the product launch in a cluster environment

Jan 2002 - Dec 2004

3 years

Concept and development of a complete leisure travel system

Co-responsible for setting up the software architecture
Design and development of services
Evaluation and development of web services for the communication architecture between the Swing client and the server
Development and setup of the product structure plan and the complete build process using ANT
Building the client-service layer to encapsulate all client database access
Development and deployment of the application in cluster operation

Mar 2001 - Dec 2001

10 months

Design and implementation of an intranet eCRM system

Design and implementation of an administration front end and its database design for system user modifications
Implementation of the "Client Profile" component for managing comprehensive customer data
Update of the application from Struts 0.5 to Struts 1.0
Implementation of a JavaMail solution for automated sending of emails for new application accounts
Implementation and further development of the "TradeList" and "CoreInformation" components
Development of a generic filter (XP-Filter) for dynamic SQL query generation using JDOM

Feb 2001 - Mar 2001

2 months

ATG Dynamo eBusiness Platform training

Design and implementation of transactional enterprise portals with ATG Dynamo
Programming of dynamic web components
Administration and configuration of the Dynamo server platform

Oct 2000 - Feb 2001

5 months

Functional concept, design, and implementation of a printing system

Server-side development of a printing system for monetary vouchers
Database design for voucher, printer, and print job management

Sep 1998 - Sep 2000

2 years 1 month

Analysis, design and development of a web client

Further development of a rich client for a travel reservation system
Analysis, design and development of a new web client

Oct 1996 - Aug 1998

1 year 11 months

Concept, analysis, design, implementation and introduction of the client software for a travel reservation system

Concept, analysis, design, implementation and introduction of the client software
Core development and creation of a framework
Technical coordination of subsequent application projects

Apr 1995 - Sep 1996

1 year 6 months

New development, object-oriented analysis and design of outsourced logistics

Contributed to the new development of outsourced logistics
Object-oriented analysis and design using OMT
Client and server implementations

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (11 years), Banking and Finance (10.5 years), Tourism (8 years), Insurance (2 years), Transportation (1.5 years), and Telecommunication (1 year).

Information Technology

Banking and Finance

Tourism

Insurance

Transportation

Telecommunication

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (30.5 years), Product Development (13.5 years), Quality Assurance (4 years), Business Intelligence (2.5 years), Logistics (1.5 years), and Project Management (1 year).

Information Technology

Product Development

Quality Assurance

Business Intelligence

Logistics

Project Management

Skills

Apache Nifi (Dataflow) / Apache Solr Search Engine, Big Data Etl / Data Engineer
Object-oriented Analysis, Architecture, Design And Implementation Of Middleware Architectures On A Java Ee Basis (Java Experience Since 2001)
Development Of Application Software
J2ee
Ui Development (Rcp, Jsf)
Databases
Apache Nifi (Dataflow)
Apache Solr (Search Engine)
Analysis, Architecture, Design And Implementation Of Java Ee-based Middleware Architectures
Development Of Application Software (User Interfaces, Business Logic, Databases)
Object-oriented Software Development
Systematic Setup And Optimization Of It Project Infrastructures
Coordination And Tracking Of Development Tasks
Technical Project Leadership
Apache Nifi
Etl
J2ee (Jee)
Ooa/ood (Uml, Omt)
Rup
Xp
Prototyping
Employee Coaching
Scrum
Apache Nifi
Apache Solr
Nifi Registry
Minifi
Pki
Aes
Veracrypt
Ossec
Openvpn
J2se
Jee (Expert)
Grafana
Prometheus
Banana
Superset
Redis Cluster / Sentinel
Visual Studio Code
Eclipse Platform
Rich Client Platform (Rcp)
Kubernetes
Ansible
Jsf Frameworks: Apache Myfaces, Primefaces, Jboss Richfaces, Sun Jsf
Hudson
Jenkins
Cruisecontrol
Ant
Maven
Junit
Easymock
Mockito
Sonarcube
Together
Argouml
Magicdraw
Enterprise Architect
Git
Subversion (Svn)
Cvs
Mks Source Integrity
Continuus
Clearcase
Java
Jdk
Tcp/ip
Http(s)
Ftp
Putty (Ssh)
Struts
Spring
Soa
Webservices
Axis2
Jax-ws
Soapui
Bugzilla
Jira
Mercury Quality Center
Vm Ware
Oracle Vm Virtualbox
Mingle (Scrum Tool)
Jmeter
Hp Idol
Manifoldcf
Qgis
Postfix
Microsoft Office
Libreoffice
Mariadb / Mysql
Postgresql
Oracle
Hsqldb
Sybase
Informix
Jdbc
Hibernate + Ehcache
Ibatis
Db2
Redis
Flyway
Bea Weblogic
Jboss
Apache Tomcat
Jetty
Ibm Websphere
Macromedia Jrun
Glassfish
Java
Xml
Sql
Jsp
Jsf
Ejb
Xslt
Xsd
Jaxb
Jms
Jpa
Jax-ws
Html
Javascript
Json
Jsonpath
Jquery
Tcl
Unix (Linux, Hp-ux, Ibm Aix, Solaris)
Windows (Nt, 2000, Xp, Vista, 7, 8, ...)
Many Years Of Experience In Software Projects
Big Data Flows
Design And Implementation Of 3-tier Software Architectures On A Java Ee Basis And Their Deployment
Technical And Economic Perspective On Project Goals
Coordination And Communication Between Business Units And It
Strong Teamwork Skills And A Pronounced Goal Orientation
High Sense Of Responsibility And Self-initiative
Use Of Open Source Solutions In Enterprise Applications

Languages

German

Native

English

Advanced

Education

Diploma in Computer Science (University of Applied Sciences) · Computer Science

Profile

Created

September 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Jörg-Ulrich based?

Jörg-Ulrich is based in Friedrichsdorf, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Jörg-Ulrich speak?

Jörg-Ulrich speaks the following languages: German (Native), English (Advanced).

How many years of experience does Jörg-Ulrich have?

Jörg-Ulrich has at least 30 years of experience. During this time, Jörg-Ulrich has worked in at least 26 different roles. The average length of individual experience is 1 year and 2 months. Note that Jörg-Ulrich may not have shared all experience and actually has more experience.

What roles would Jörg-Ulrich be best suited for?

Based on recent experience, Jörg-Ulrich would be well-suited for roles such as: Dataflows for Health Insurers, Setup and development of a BI solution / data platform in the energy sector, Enhancement of a bank-wide data platform.

What is Jörg-Ulrich's latest experience?

Jörg-Ulrich's most recent position is Dataflows for Health Insurers.

Which industries is Jörg-Ulrich most experienced in?

Jörg-Ulrich is most experienced in industries like Information Technology (IT), Banking and Finance, and Tourism and Hospitality. Jörg-Ulrich also has some experience in Insurance, Transportation and Logistics, and Telecommunication.

Which business areas is Jörg-Ulrich most experienced in?

Jörg-Ulrich is most experienced in business areas like Information Technology (IT), Product Development, and Quality Assurance (QA). Jörg-Ulrich also has some experience in Business Intelligence, Logistics, and Project Management.

Which industries has Jörg-Ulrich worked in recently?

Jörg-Ulrich has recently worked in industries like Information Technology (IT), Insurance, and Banking and Finance.

Which business areas has Jörg-Ulrich worked in recently?

Jörg-Ulrich has recently worked in business areas like Information Technology (IT), Business Intelligence, and Product Development.

What is Jörg-Ulrich's education?

Jörg-Ulrich attended education in Computer Science.

What is the availability of Jörg-Ulrich?

Jörg-Ulrich is immediately available part-time for suitable projects.

What is the rate of Jörg-Ulrich?

Jörg-Ulrich's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.