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Rainer Langbehn

Senior IT Consultant, Senior Software Architect, Senior Software Developer, Senior DevOps Engineer

Rainer Langbehn
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Cologne, Germany

Experience

Apr 2024 - May 2024
2 months
Germany

Senior IT Consultant, Senior Software Architect, Senior Software Developer, Senior DevOps Engineer

Techniker Krankenkasse

Expertise details
Position Summary
Senior IT Consultant, Senior Software Architect, Senior Software Developer, Senior DevOps Engineer at Techniker Krankenkasse
Industries
Insurance
Business Areas
Information Technology
  • Automation of database major/minor releases for the TKeasy project

  • Concept for database major/minor release automation

  • Current state analysis

  • Evaluation of Redgate Flyway functionalities

  • Creation of concept

  • Products: Redgate Flyway, GitHub, Quest, Erwin Data Modeller, Oracle, Atlassian Jira, Atlassian Confluence

  • Skills: Docker, Continuous Delivery, Continuous Integration, Redgate Flyway, Major Releases, Minor Releases

Oct 2023 - Present
2 years 6 months
Cologne, Germany

Senior IT Consultant, Senior Software Architect, Senior Software Developer

ASS Werbe GmbH

Expertise details
Position Summary
Senior IT Consultant, Senior Software Architect, Senior Software Developer at ASS Werbe GmbH
Industries
Information Technology
Business Areas
Information Technology
  • Migration from Microsoft Exchange 2010 to Microsoft Exchange Online

  • Migration from Microsoft Windows 7 to Microsoft Windows 10

  • Migration from Microsoft Office to Microsoft 365

  • Outsourcing of the entire IT infrastructure

  • Setup of a data platform for incoming and outgoing data

  • Provision of standard-based interfaces

  • Replacement of in-house Delphi applications

  • IT training for an employee

  • Trainings

  • Products: Apache Airflow, PostgreSQL, Microsoft 365, Exchange 2010, Exchange Online, Microsoft Access, MS SQL Server, OpenStreetMap, GitLab, Git, PyCharm, Nominatim

  • Skills: Apache Airflow, PostgreSQL, PostGIS, Python, Docker, Kubernetes, SDAW, GV100, Delphi, OpenStreetMap, Geospatial data processing, Geocoding, REST, Connexion, Flask, SQLAlchemy, Object-Relational Mapping, Linux, Windows, OpenAPI

Oct 2020 - Sep 2023
3 years
Hemer, Germany

Senior IT Consultant, Senior Software Architect, Senior Software Developer

Südwestfalen-IT (SIT)

Expertise details
Position Summary
Senior IT Consultant, Senior Software Architect, Senior Software Developer at Südwestfalen-IT (SIT)
Industries
Information Technology
Government and Administration
Business Areas
Information Technology
Product Development
Quality Assurance
  • Design, maintenance, further development, quality assurance, and documentation of the ExtensionAPI and client components

  • Functional and technical responsibility for connecting form servers to Kommunalportal.NRW

  • Extension development

  • Coaching and knowledge transfer

  • Design, maintenance, quality assurance, and documentation of the standard ExtensionAPI SOAP web service interfaces

  • Design, implementation, maintenance, quality assurance, and documentation of the ExtensionAPI Java client components

  • Design, implementation, maintenance, quality assurance, and documentation of the Java HelloWorld extension based on the ExtensionAPI

  • Design, implementation, maintenance, quality assurance, and documentation of the ExtensionAPI C# client components

  • Design, implementation, maintenance, quality assurance, and documentation of the C# HelloWorld extension based on the ExtensionAPI

  • Design, implementation, maintenance, quality assurance, and documentation of the ExtensionAPI test framework

  • Design, implementation, maintenance, quality assurance, and documentation of the high-performance and scalable Java enterprise middleware application Form-Solutions extension based on the ExtensionAPI

  • Design and documentation of the Java Feedback extension based on the ExtensionAPI

  • Design, implementation, maintenance, quality assurance, and documentation of the Java LinkChecker application based on REST services

  • Design, implementation, maintenance, quality assurance, and documentation of a documentation approach based on DocsAsCode

  • Design, implementation, maintenance, quality assurance, and documentation of continuous integration / continuous delivery (CI/CD) and continuous inspection pipelines

  • Requirement, release, configuration, documentation, test, and build management activities

  • Products: Maven, Apache Solr, Apache Axis, Artifactory, Asciidoctor, C#, Eclipse, EclipseLink, Elastic-Stack, ELK-Stack, Form-Solutions, Git, GitLab, Java, Jenkins, JetBrains Rider, JUnit, Jupiter, MySQL, Payara, SoapUI, SonarQube, .NET, Dotnet, Forms.IO, Camunda BPM, SwaggerUI, Docker, Podman, Arquillian

  • Skills: EJB3, J2EE, JEE, Jakarta EE, Continuous Integration, Continuous Inspection, Scrum, Java, JSF, HTML5, CSS3, JBatch, AsciiDoc, DocsAsCode, SOAP, REST, JAX-RS, JAX-WS, OpenAPI, JAXB, JAXP, SAX, StAX, WSDL, XML, XSD, XSLT, XÖV standards, SQL, Web Services, JDBC, Microprofile, portals, BPM, Genericode, Use Cases, UML, PlantUML, C4 Model, ExtensionAPI, Servicekonto.NRW, Kommunalportal.NRW, OZG

Apr 2020 - Present
6 years
Cologne, Germany

Volunteer IT Lecturer

Rheinische Akademie Köln gGmbH

Expertise details
Position Summary
Volunteer IT Lecturer at Rheinische Akademie Köln gGmbH
Industries
Education
Business Areas
Information Technology
Oct 2019 - Mar 2020
6 months
Bonn, Germany

Senior IT Consultant, DevOps Engineer

Deutsche Post DHL Group

Expertise details
Position Summary
Senior IT Consultant, DevOps Engineer at Deutsche Post DHL Group
Industries
Transportation
Business Areas
Information Technology
  • Replacement of an old CRM system

  • Migration to Salesforce with Talend as middleware

  • Further development of build management

  • Setup of a continuous integration / continuous delivery (CI/CD) pipeline for Talend middleware artifacts

  • Integration of the company's-wide Artifactory instances

  • Git configuration

  • Support of the deployment process (Salesforce project)

  • Setup of continuous inspection for Talend artifacts and the Salesforce project

  • Setup of test automation

  • Setup of an OpenShift cluster for the Talend middleware stack

  • Products: Red Hat OpenShift, Talend DSP, Talend Middleware, Salesforce, SonarQube, Jenkins, Artifactory

  • Skills: Scrum, agile development methods, Java, JEE, Red Hat OpenShift

Aug 2019 - Sep 2019
2 months
Koblenz, Germany

Senior IT-Consultant, Performance Analyst

Debeka

Expertise details
Position Summary
Senior IT-Consultant, Performance Analyst at Debeka
Industries
Insurance
Business Areas
Information Technology
  • Functional and technical consulting for developing a high-performance, scalable enterprise application (JEE, WebLogic, JSP, jQuery, HTML5, CSS3) in the BO/P area

  • Identifying possible corrective measures for performance optimization

  • Products: Apache Maven, Artifactory, Eclipse, Java, Jenkins, SonarQube, Atlassian Confluence, Atlassian Jira, ELK Stack, Elastic Stack, Git, WebLogic Enterprise Edition, Elastic ALM

  • Skills: EJB3, J2EE, JEE, Continuous Integration, Continuous Inspection, Scrum, Java, JSP, jQuery, HTML5, CSS3

Jul 2016 - May 2019
2 years 11 months
Duisburg, Germany

Senior IT-Consultant, DevOps Engineer

ThyssenKrupp Steel Europe AG

Expertise details
Position Summary
Senior IT-Consultant, DevOps Engineer at ThyssenKrupp Steel Europe AG
Industries
Metals and Mining
Business Areas
Information Technology
  • Manufacturing Execution System (MES)
  • Products: Apache Maven, Artifactory, Eclipse, Eclipse RCP, Eclipse Tycho, Java, Jenkins, SonarQube, OrientDB, Atlassian Confluence, Atlassian Jira, Atlassian Bitbucket, Elasticsearch, ELK Stack, Elastic Stack, RedHat Enterprise Linux (RHEL), Git, GitLab, WebLogic Enterprise Edition, WebLogic, Liquibase
  • Skills: EJB3, J2EE, JEE, Eclipse RCP, Eclipse P2, Eclipse Tycho, Continuous Integration, Continuous Inspection, Configuration and build management, Maven Plugins, Scrum, Graph database, NoSQL, Elasticsearch
Apr 2014 - May 2016
2 years 2 months
Cologne, Germany

Senior IT-Consultant, Configuration Manager

Gothaer-Systems GmbH

Expertise details
Position Summary
Senior IT-Consultant, Configuration Manager at Gothaer-Systems GmbH
Industries
Insurance
Business Areas
Information Technology
Project Management
  • Setting up a CRM system to support the Gothaer Group's multichannel strategy and to map business processes more efficiently

  • Working in the Software Configuration Management (SCM) team for group release management

  • Creating, packaging, and delivering releases and bug fixes

  • Maintaining project and release management development and pre-integration environments

  • Maintaining and improving build and deployment processes

  • Ensuring availability and support of the tools in use

  • Planning, designing, implementing, and testing the migration of the Goliath application from Maven 2 to Maven 3

  • Planning, designing, building, operating, and maintaining a continuous integration system (Nexus, Jenkins, build slaves, SonarQube)

  • Planning and managing the migration of the Git source control management system to the in-house Subversion system

  • Evaluating the Review Board code review solution

  • Developing an automated solution to connect all CRM projects to the code quality server

  • Building a prototype solution for automated dependency and impact analysis

  • Developing a solution for the automated migration of all in-house projects to Maven

  • Acting as cross-project point of contact for build and configuration management

  • Products: Apache Ant, Apache Maven, Apache Subversion, Eclipse, Eclipse Aether, Eclipse Scout, Eclipse Tycho, IBM WebSphere, Java, Jenkins, SonarSource, SonarQube, Sonatype Nexus, TeamViewer, OrientDB, Atlassian Confluence, Atlassian Jira, HP ALM, IBM DB2, IBM RAD, JUnit, IBM Lotus Notes, SoapUI, UC4, RedHat Enterprise Linux (RHEL), PostgreSQL, Review Board, Git

  • Skills: EJB 2.1, EJB3, Ant Tasks, J2EE, JEE, Eclipse RCP, XML, XML Schema (XSD), XSL, XSLT, JAXB, JAXP, SAX, StAX, SOAP Web Services, SOA, WSDL, GSM, Continuous Integration, Continuous Inspection, Configuration and build management, Scrum, Kanban

Sep 2013 - Mar 2014
7 months
Düsseldorf, Germany

Senior IT-Consultant, Senior JEE-Developer

HSBC Trinkaus & Burkhardt AG

Expertise details
Position Summary
Senior IT-Consultant, Senior JEE-Developer at HSBC Trinkaus & Burkhardt AG
Industries
Banking and Finance
Business Areas
Information Technology
  • Supporting Java application development for the Client On-Boarding and Account Maintenance (COBAM) project - Foreign Account Tax Compliance Act (FATCA)

  • Capturing and processing customer master data

  • Designing business processes with jBPM

  • Products: IBM WebSphere, IBM WebSphere Portal Server, IBM Rational Architect, Vaadin, Spring, Java, IBM DB2, IBM UDM, Eclipse

  • Skills: UML, Use Cases, Portals, Portlets, EJB3, J2EE, JEE, master data, FATCA, BPM

Jan 2013 - Jul 2013
7 months
Nuremberg, Germany

Senior IT-Consultant

Sparda Datenverarbeitung eG

Expertise details
Position Summary
Senior IT-Consultant at Sparda Datenverarbeitung eG
Industries
Banking and Finance
Insurance
Business Areas
Information Technology
Quality Assurance
  • Maintaining and enhancing the PRISMA sales portal of the Sparda banking group

  • Further development of frontend (portlet) and backend components (web service) for the partner DEVK

  • Adjusting due to SEPA migration

  • Migrating the portlets Baufi, DEVK and premium/commission accounting to the residual debt insurer Credit Life

  • Designing, architecting, implementing, and testing Java Web Service (JAX-WS) based backend components

  • Getting familiar with the business and technical standards of BIPRO e.V.

  • Review and refactoring

  • Products: Apache Ant, Apache Axis, Apache CXF, Apache Maven, Apache Struts, Apache Subversion, Atlassian Confluence, Atlassian Jira, IBM DB2, IBM WebSphere Portal Server, Eclipse, Hibernate, Java, JBoss Application Server, Jenkins, JUnit, MBS, Rumba, Sonatype Nexus, SoapUI, SVN

  • Skills: EJB3, ESB, J2EE, JEE, JAXB, JAX-WS, JDBC, JPA, JSP, Portals, Portlets, SOA, SOAP, SQL, Web Services, WSDL, WSS, XML, XML Schema (XSD), XSL, XSLT, Scrum, Kanban

May 2011 - Dec 2012
1 year 8 months
Dillingen, Germany

Software Architect / Developer, Maven Expert, JBoss Expert

AG der Dillinger Hüttenwerke

Expertise details
Position Summary
Software Architect / Developer, Maven Expert, JBoss Expert at AG der Dillinger Hüttenwerke
Industries
Manufacturing
Metals and Mining
Business Areas
Information Technology
  • Replacement of the steel mill control software with a Java Enterprise solution in the Phoenix project

  • Maintenance and further development of the productive Java Enterprise subprojects of the steel mill control system (SLS)

  • Introduction of Eclipse Team Project Sets and consolidation of Maven artifacts

  • Implementation of various Maven plugins

  • Migration from JBoss 4.2.3.GA to JBoss EAP 5.1.0

  • SVN structure migration and release management

  • Consulting and coaching on JBoss, JEE/J2EE and Maven

  • Products: Apache Ant, Apache Maven, Apache Subversion, Atlassian Confluence, Atlassian Jira, CVS, Eclipse, Enterprise Architect, Hibernate, Informix, Java, JBoss Application Server, JBoss EAP, Jenkins, JFC (Swing), JUnit, Oracle, Sonatype Nexus, SVN

  • Skills: EJB3, J2EE, JEE, Java Message Service (JMS), Java Management Extensions (JMX), JDBC, JPA, Maven Plugin, SQL, XML, XML Schema (XSD), Scrum, Kanban

Aug 2010 - Apr 2011
9 months
Neuss, Germany

Software Architect / Developer, Quality / Test Management

Verband der Vereine Creditreform e.V.

Expertise details
Position Summary
Software Architect / Developer, Quality / Test Management at Verband der Vereine Creditreform e.V.
Industries
Banking and Finance
Business Areas
Information Technology
Quality Assurance
  • Replacement of the AS/400 legacy Orbis application to provide foreign trade information

  • Development of an XML schema and a subsystem for importing information deliveries

  • Development of a fail-safe Output Management System (OMS) for generating and archiving standard letters

  • Design, architecture and implementation of standards-based subsystems

  • Products: Apache ActiveMQ, Apache Axis, Apache Commons IO, Apache HttpComponents, Apache Maven, Apache PDFBox, Apache XML Graphics, Apache Subversion, Artifactory, Atlassian Confluence, Atlassian Jira, BEA WebLogic, CUPS, Eclipse, Ehcache, ELO, IBM Toolbox for Java, Inubit BPM-Suite, Java, JUnit, Saxon, SoapUI, Teamcity, Topcom Kofax Communication Server, XMLUnit

  • Skills: Customer Information Quality (CIQ), DOM, EJB3, JAXB, JAXP, JAX-WS, J2EE, JEE, JCA, JCR, JMS, JMX, PDF, SAX, StAX, SVG, Servlet, SOAP, Web Services, XPath, XML, XML Schema (XSD), XSL, XSL-FO, XSLT, Extensible Metadata Platform (XMP), Scrum

Sep 2009 - Feb 2010
6 months
Mönchengladbach, Germany

Software Architect / Developer, Senior IT Consultant

Santander Consumer Bank AG

Expertise details
Position Summary
Software Architect / Developer, Senior IT Consultant at Santander Consumer Bank AG
Industries
Banking and Finance
Business Areas
Information Technology
Quality Assurance
  • Implementation of business rules based on ILOG JRules in the DecisionBox

  • Migration of credit decision for Risk Management Durables

  • Relocation of the dealer rating score calculation into the DecisionBox

  • Architecture and implementation of the DecisionBox - PropertyManager component to manage the rule sets

  • Implementation of authentication, audit compliance, versioning and reporting

  • Architecture of a JAXP-based XML pipeline to support agile QA processes

  • XML data transformation and actual-vs-expected comparison

  • Code review and refactoring

  • Products: Apache Ant, Apache Maven, Apache Xalan, CVS, Eclipse, EclipseLink, Hibernate, IBM Websphere, ILOG JRules, Java, JBoss Application Server, JUnit, OpenJPA, Oracle, Saxon, XMLUnit

  • Skills: Ant Tasks, EJB 2.1, EJB3, JAXP, JDBC, J2EE, JEE, JPA, Servlet, SQL, XPath, XProc, XML, XML Schema (XSD), XSL, XSLT, Scrum

Aug 2008 - Jun 2009
11 months
Munich, Germany

Software Architect / Developer, Senior IT Consultant

Steria Mummert Consulting AG

Expertise details
Position Summary
Software Architect / Developer, Senior IT Consultant at Steria Mummert Consulting AG
Industries
Banking and Finance
Information Technology
Business Areas
Information Technology
Product Development
Quality Assurance
  • Performance analysis and tuning for the product Tributum (taxable capital income)

  • Quality assurance and test automation

  • Runtime analysis of the entire Tributum application

  • Architecture and implementation of a JAXP-based XML pipeline for mass test use cases

  • Validation of test inputs and automated test documentation

  • Provision of test sets

  • Products: Apache Ant, Apache Maven, Apache Xalan, Apache XML Graphics, BEA WebLogic, Eclipse, HP Quality Center, IBM Websphere MQ, Java, JProbe, JUnit, Oracle, Saxon, SVN

  • Skills: Ant Tasks, EJB 2.1, EJB3, JAXP, JDBC, J2EE, JEE, JMX, Maven Plugin, SQL, Web Services, XML, XPath, XML Schema (XSD), XSL, XSL-FO, XSLT, Scrum, withholding tax

Dec 2007 - Feb 2008
3 months
Berlin, Germany

Business Rules Management Expert

Bundesdruckerei GmbH

Expertise details
Position Summary
Business Rules Management Expert at Bundesdruckerei GmbH
Industries
Government and Administration
Business Areas
Information Technology
Product Development
  • Prototype implementation of the Border Control Platform as a Proof of Concept (PoC)

  • Planning and realization of the service-oriented implementation based on BEA AquaLogic BPM and Drools

  • Integration of the VISOCORE ePass reader and fingerprint scanner via SOAP

  • Development of a web front end to display biometric data and process steps

  • Evaluation of various Business Process and Business Rules Management systems

  • Products: Apache Axis, Apache Jackrabbit, Apache Maven, Apache Tomcat, BEA AquaLogic BPM, Biomiddle, COSA BPM, Drools, Eclipse, ILOG JRules, Java, JBoss Application Server, JBoss jBPM, JUnit, Oracle Business Rules, VISOCORE

  • Skills: EJB 2.1, EJB3, J2EE, JEE, Java Rule Engine API (JSR 94), JSP, JCR, JMX, Maven Plugin, SOAP, UML, Scrum

Aug 2007 - Mar 2013
5 years 8 months

Founder, Project Lead, Software Architect / Developer

Open Source Project @ SourceForge

Expertise details
Position Summary
Founder, Project Lead, Software Architect / Developer at Open Source Project @ SourceForge
Industries
Information Technology
Business Areas
Information Technology
Product Development
Project Management
  • Rules Framework: Support development, integration and monitoring of Java rules-based enterprise applications

  • Development of Maven 2 plugins for compiling and testing rule execution sets

  • JSR 94 based J2EE Connector Architecture 1.5 resource adapter

  • Stateful and stateless decision services based on JSR 94

  • XDP2FO: a collection of XSL Transformation (XSLT) stylesheets to convert Adobe XML Data Package (XDP) into W3C XSL Formatting Objects (XSL-FO)

  • Products: Adobe LiveCycle ES, Antenna House XSL Formatter, Apache Maven, Apache Xalan, Apache XML Graphics, Barcode4J, CVS, Eclipse, EXSLT, FormCalc, Java, JBoss, JESS, JUnit, RenderX XEP, Saxon, SVN

  • Skills: CSS, DOM, EJB3, J2EE, JEE, JMX, PDF, SAX, StAX, SVG, XDP, XFA, XForms, XML, XPath, XSLT

Nov 2003 - Dec 2007
4 years 2 months
Nuremberg, Germany

Lead, design, and implementation of subprojects

TeamBank AG (formerly norisbank AG)

Expertise details
Position Summary
Lead, design, and implementation of subprojects at TeamBank AG (formerly norisbank AG)
Industries
Banking and Finance
Business Areas
Business Intelligence
Information Technology
  • Design and implementation of the easyCredit installment loan application

  • Responsibility for the printing component and prepress

  • Creation of loan contract documents and print template generation

  • Provision of data for quality reporting and commission billing

  • Architecture of a platform-independent, multi-tenant and multilingual printing component

  • Integration of a Java rule engine (Drools)

  • Redesign and further development of ETL and reporting components

  • Architecture of a framework for integrating JSR 94 compliant rule engines (JESS, Drools)

  • Runtime analysis and performance tuning of the entire application

  • Products: Adobe LiveCycle Forms, Apache Ant, Apache Jackrabbit, Apache Maven, Apache FOP, Apache Struts, Atlassian Confluence, Atlassian Jira, Big Faceless Java PDF Library, Drools, Eclipse, Eclipse BIRT, iReport, iText, JasperReports, Java, JBoss Application Server, JProbe, JUnit, Oracle, Oracle Warehouse Builder (OWB), PL/SQL, RenderX XEP, Toad for Oracle, XDoclet

  • Skills: CWM, DOM, EJB 2.1, EJB3, J2EE, JEE, JSR 94, JSF, JSP, JAXB, JAXP, JCR, JDBC, JMX, Maven Plugin, PDF, SAX, SQL, StAX, UML, XFA, XLink, XML, XPath, XSL-FO, XSLT, Scrum

Apr 2000 - Sep 2000
6 months
Cologne, Germany

Project Lead, Software Developer

Internet Agency

Expertise details
Position Summary
Project Lead, Software Developer at Internet Agency
Industries
Information Technology
Business Areas
Information Technology
Project Management
Quality Assurance
  • Development of a live meta-crawler for online offer and price comparison (ShoppingScout24)

  • Design and implementation of the Java Servlet-based transformation pipeline

  • Development of tools for automatic component generation

  • Project management and quality assurance

  • Products: Java, JavaScript, Perl, Sun Forte 4 Java, CVS

  • Skills: CGI, CSS, HTML, Java Servlets, SAX, XML, XSLT

Dec 1998 - Oct 2003
4 years 11 months
Leverkusen, Germany

Software Developer / Architect, Business Planning Tool Lead, Reengineering Specialist

Bayer AG (Bayer Technology Services)

Expertise details
Position Summary
Software Developer / Architect, Business Planning Tool Lead, Reengineering Specialist at Bayer AG (Bayer Technology Services)
Industries
Chemical
Business Areas
Business Intelligence
Information Technology
  • BTS PlaTo: Development of an intranet application for strategic and operational planning

  • Design of an XML-based solution for form and report generation

  • ProperView Reengineering: Porting the XML layer and the Command Design Pattern to Java

  • Implementation of the database layer via JDBC and redesign of user management

  • Development of a Java chart component based on web standards (similar to SVG)

  • Technical consulting on DTD and XML Schema design for thermophysical material data

  • Design and implementation of an open Java search API

  • Development of a Java thick client as a frontend for the Bayer material database

  • Adaptation of the admin console and redesign of the CGI-Perl interface

  • Design of the single sign-on (SSO) extension and integration of the PassGo SSO applet

  • Taking over support and further development of the intranet application for the material database

  • Products: Apache Ant, Batik, FOP, POI, Tomcat, Eclipse, Java, MS Excel, Oracle DB, PL/SQL, Visual SourceSafe, Together CC, JavaHelp, JProbe, Symantec Visual Cafe, MS IIS

  • Skills: CSS, DOM, DTD, JavaScript, Java Servlets, JSP, JavaBeans, LDAP, Oracle XSU, PDF, SAX, SMTP, SQL, SVG, XForms, XHTML, XML, XSL-FO, XSLT, XSQL, Java-COM Bridge, HTTP, ISAPI, SSL, OLE, UML

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Banking and Finance, Education, Chemical, Metals and Mining, and Insurance.

Information Technology
Banking and Finance
Education
Chemical
Metals and Mining
Insurance
Profile match chart

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Business Intelligence, Product Development, Project Management, and Quality Assurance.

Information Technology
Business Intelligence
Product Development
Project Management
Quality Assurance
Profile match chart

Skills

  • Agile Methods
  • Bi
  • Bpm
  • Brm
  • Configuration Management
  • Devops
  • Dwh
  • Java/j2ee/jee
  • Oss
  • Senior It Consulting
  • Software Architecture / Development

Languages

German
Native
English
Intermediate
Latin
Intermediate

Education

High school diploma

Master's program, minors in Philosophy and Phonetics · Musicology

FernUniversität in Hagen

Diploma program, minor in Business Administration · Computer Science · Hagen, Germany

Statistics

Experience

Total positions 19
Experience in Information Technology 11.5 y
Avg length 1 y 11 m
Longest experience 5 y 11 m

Global Experience

Countries worked in 1 (Germany)
Primary country Germany

Expertise

Recent roles Senior IT Consultant, Senior Software Architect, Senior Software Developer, Senior DevOps Engineer, Senior IT Consultant, Senior Software Architect, Senior Software Developer, Volunteer IT Lecturer
Main industries Information Technology, Banking and Finance, Education
Main business areas Information Technology, Business Intelligence, Product Development

Qualifications

Highest degree Master

Profile

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Frequently asked questions

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

Where is Rainer based?

Rainer is based in Cologne, Germany and prefers 100% remote projects.

What languages does Rainer speak?

Rainer speaks the following languages: German (Native), English (Intermediate), Latin (Intermediate).

How many years of experience does Rainer have?

Rainer has at least 27 years of experience. During this time, Rainer has worked in at least 17 different roles and for 19 different companies. The average length of individual experience is 1 year and 5 months. Note that Rainer may not have shared all experience and actually has more experience.

What roles would Rainer be best suited for?

Based on recent experience, Rainer would be well-suited for roles such as: Senior IT Consultant, Senior Software Architect, Senior Software Developer, Senior DevOps Engineer, Senior IT Consultant, Senior Software Architect, Senior Software Developer, Volunteer IT Lecturer.

What is Rainer's latest experience?

Rainer's most recent position is Senior IT Consultant, Senior Software Architect, Senior Software Developer, Senior DevOps Engineer at Techniker Krankenkasse.

What companies has Rainer worked for in recent years?

In recent years, Rainer has worked for Techniker Krankenkasse, ASS Werbe GmbH, Südwestfalen-IT (SIT), and Rheinische Akademie Köln gGmbH.

Which industries is Rainer most experienced in?

Rainer is most experienced in industries like Information Technology, Banking and Finance, and Education. Rainer also has some experience in Chemical, Metals and Mining, and Government and Administration.

Which business areas is Rainer most experienced in?

Rainer is most experienced in business areas like Information Technology, Business Intelligence, and Product Development. Rainer also has some experience in Project Management and Quality Assurance.

Which industries has Rainer worked in recently?

Rainer has recently worked in industries like Education, Information Technology, and Government and Administration.

Which business areas has Rainer worked in recently?

Rainer has recently worked in business areas like Information Technology, Product Development, and Quality Assurance.

What is Rainer's education?

Rainer holds a Master in Musicology.

What is the availability of Rainer?

Rainer is immediately available full-time for suitable projects.

What is the rate of Rainer?

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

How to hire Rainer?

To hire Rainer, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

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Market avg: 890-1050 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.