Rolf M. - Lead Developer and Tester of Specialist Applications for the Zensus2021 Project

Go to Website

Lollar, Germany

Experience

Mar 2019 - Present

6 years 7 months

Lead Developer and Tester of Specialist Applications for the Zensus2021 Project

Federal Statistical Office

Lead development and testing of specialist applications for the Zensus2021 project
Use of Kubernetes, AWS Cloud, Docker, RESTful Services, ActiveMQ, Oracle Advanced Queuing, JBoss EAP, Spring Batch, Git, Keycloak, Kafka, Maven
Setup of CD/CI pipelines with Jenkins and development of automated integration tests
Execution of DevOps activities
Regular static code analysis on all releases of the specialist applications using SonarQube
Setup of an R server for household generation and a Kafka server for the CVTS application
Setup of Keycloak and Jira instances for Jira migration
Setup of an IRI Workbench instance and Cosort for test data creation
Setup of test systems for Java web applications with JBoss8, JDK17 and Oracle and MySQL databases, including creation of functional data
Identification of weaknesses in technical communication between specialist applications
Development of extensive technical and domain knowledge of all Zensus applications
Support and advice to specialist departments in Zensus processes in pre-production and production
Execution of load and performance tests with JMeter and Bash scripting

Sep 2012 - Feb 2019

6 years 6 months

IT Senior Consultant

Major Bank Frankfurt

Architecture, design and implementation of a Java-based master data system for corporate customers, including online GUI, Spring Batch component and RESTful services (Jersey)
Conceived, designed and developed a Java-based business event message broker delivering XML-based business events to other bank systems (over 130 events for systems such as tax, online banking, MiFID, CRM, ISIS, eIntegrator, GPM)
Development of the GlobalPartyManager (GPM) using Java and Angular.js, aggregating customer data across tenants
Development of Java-based RESTful services for domain model maintenance in the master data system
Development of a Java component (Reworker) to reprocess consumer-driven messages at a later time
Data warehouse extract: creation of database views for party information feeding Informatica processes
Technologies used: Spring JMS, WebSphere MQ, JAXB, Orika mapping framework, Angular.js, Oracle12, Java7/Java8, Spring Integration, JAX-RS (Jersey), Spring Batch, Spring Data, SOAPUI, Maven, Bamboo, Git, TFS, XML, XSD

Apr 2011 - Aug 2012

1 year 5 months

Enhancement of the Bank-wide Intranet Application for Banking Transactions

ING DIBA

Enhancement of the bank-wide intranet application for creating banking transactions using Apache Wicket framework
Technologies: Apache Wicket, Oracle 11, Maven, Java7, JavaScript, Jenkins, Jira

Apr 2008 - Mar 2011

3 years

Technical Project Lead for Intranet Application for Automated Balance Analysis

Major Bank Frankfurt

Architecture, design and implementation of an intranet application for reporting and machine balance analysis
Design and coordination of intranet application including offshore team coordination and quality assurance role
Communication with the client
Technologies and tools: Spring, Spring Webflow, JSF, RichFaces, JAX-RPC, JAX-WS, JAXB, Java 6, Oracle, WebSphere Application Server, JUnit, EasyMock, Maven 2.1.0, Enterprise Architect, ClearQuest, RAD, TestDirector

Oct 2007 - Mar 2008

6 months

Design and Implementation of a Data Warehouse

Dekabank

Design and implementation of a data warehouse
Development of a reporting application for accounting and risk controlling using SQL Server 2005 modules (SSIS and SSAS)
Front-end development for data maintenance and status display with C# and SQL Server 2005 functions
Technologies: C#, .NET 2.0, SQL Server 2005, SSIS

Feb 2007 - Sep 2007

8 months

Design and implementation of a J2EE-based service provider for COBOL host services

Major Bank Frankfurt

Design and implementation of a J2EE service provider infrastructure for communication between Java applications and COBOL mainframe programs
Managed implementation and maintenance of the infrastructure and related services, supervising COBOL developers
Technologies: Java, Eclipse, JUnit, Hibernate, Enterprise Architect, Ant, RMI, Axis, WebSphere Application Server, XSLT

Jan 2004 - Jan 2007

3 years 1 month

Implementation of the technical architecture for rating systems

Major Bank Frankfurt

Implementation of technical architecture for rating systems as a platform for Basel II rating procedures
Evaluation of rule engines (FairIsaac BlazeAdvisor and IBM JRules), optimization of JRules integration
Maintenance of the XML-based descriptive platform components
Development tasks on Oracle and Hibernate-based database systems
Technologies: JRules, BlazeAdvisor, Java, J2EE, Eclipse, JUnit, Enterprise Architect, Ant, RMI, Axis, Hibernate, WebSphere Application Server, XML, XSLT

Apr 2003 - Dec 2003

9 months

Further development of the products GPM, Pre-Approval, and IW

Major Bank Frankfurt

Deputy project lead for the enhancement of Java products GPM (Global Position Master), Pre-Approval and IW (International Watchlist)
Setup of Java development and test environment, requirement alignment with client, feature implementation and acceptance
Technologies: Java, Swing, Oracle, WSAD, ClearCase

Jan 2003 - Mar 2003

3 months

Coordination and production rollout of the logistics support system

Major Bank Frankfurt

Sole responsibility for integration of the LBS (Logistik Begleit System) within Commerzbank infrastructure
Coordination of production deployment of application servers (IBM WebSphere on Solaris) and database servers (Oracle 8i)
Integration of authentication and authorization mechanisms and preparation of production deployment instructions
Creation of the operational concept and product responsibility for subsequent releases
Integration of read access to third-party customer data system via J2IMS
Technologies: J2IMS, WebSphere Application Server, WSAD

Jan 2002 - Dec 2002

1 year

Design and implementation of order management and billing tools

Major Bank Frankfurt

Design and implementation of IT-controlled order management and billing tools for central and branch organization staff
Involvement in all project phases: data modeling, logical data model creation, Oracle database setup
Development of data access layer and data import interface for production data integration
Coordination of data migration with IT production and performance improvements via PL/SQL scripts
Technologies: Oracle, PL/SQL, WebSphere Application Server, WSAD, SQL Navigator

Jan 2001 - Dec 2001

1 year

Development of a billing system for digital certificates

Large Bank Frankfurt

Development of a billing system for the use and accounting of digital certificates (ComTrust/IDENTRUS)
Creation of a test tool for the transaction coordinator using Java-based OCSP and XML digital signatures
Technologies: OCSP, RSA algorithm, XML, digital signature

Oct 1999 - Dec 2000

1 year 3 months

Integration of Rational ClearQuest

Commerzbank AG

Integration of Rational ClearQuest into Commerzbank infrastructure
Creation and implementation of deployment concept and advisory product management
Development of project-specific workflows
Technologies: Rational ClearQuest, UML

Apr 1996 - Oct 1999

3 years 7 months

Enhancement of the calculation system for life and health insurance

DBV-Winterthur AG

Development of a test system for quality assurance of DBV-Winterthur calculation system implemented in Delta
Introduction of multiple tariff modules including ÖTV pension
Development of the BAV system for periodic reporting of BAV values to the Federal Insurance Supervisory Office
Technologies: Delta, actuarial mathematics, IPF, OS-1100