Experience
Feb 2022 - Dec 2023
1 year 11 months
- Setting up Azure cloud infrastructure
- Migrating a mainframe application (PL/1, z/OS) to Azure
- Data transfer from z/OS (USS) to Azure Storage (blob containers, file shares)
- Implementing mainframe job control in Java and mapping job network dependencies in Control-M
- Performance analysis and optimization
- Migration of DB2 (z/OS) to PostgreSQL in Azure
- Technologies: Azure (Storage, VM, VMSS, PostgreSQL), z/OS (USS), DB2, PostgreSQL, Packer, Terraform, Docker, Jenkins, GitHub Actions, Control-M
- Tools: Eclipse, Visual Studio Code, IntelliJ
Jun 2021 - Mar 2023
1 year 10 months
- Consulting, analysis, and requirements specification
- Development of new modules including API design and data modeling
- Conducting pair programming, code reviews, and tests
- Release support
- Technologies: Eclipse RCP, OSGi, Java 11, Kotlin, Oracle DB, Jetty, Spring, REST API (OpenAPI), Flyway, Docker, Jenkins, React
May 2018 - Dec 2018
8 months
- Development of a CICS configuration management tool
- Implementing company-specific processes for CICS control using IBM CICS Explorer
- Tools: Java, Eclipse RCP, IBM z/OS Explorer, SWT, Rexx, JCL, Windows Client, DB2, z/OS
Jan 2018 - Jul 2019
1 year 7 months
- Analysis and evaluation of mainframe SMF data sets using EPV
- Creating complex evaluation views and reporting scripts
- Visual presentation of consumption data in QlikView
- Technologies: Java, SQL, JCL, z/OS, Windows Server, MSSQL Server, EPV Server, QlikView
Jan 2014 - Dec 2017
4 years
- Design and development of an Eclipse RCP product and plugins for managing DB2 permissions
- Technologies: Java, Eclipse RCP, SWT, Rexx, JCL, Windows Client, DB2, z/OS
Mar 2013 - May 2024
11 years 3 months
- Maintenance and further development of a Java web application for quality assurance of logistics data
- Migration of MS Access applications to JEE
- Requirements analysis, design, development, testing, and knowledge transfer
- Technologies: JEE (GlassFish 2–Payara 5), DB2, Oracle, PostgreSQL, Servlets, JSF, JSP, Apache POI, Kafka, MQ, REST-API, Excel VBA
Mar 2013 - Mar 2020
7 years 1 month
- Process analysis and use case modeling
- Design and implementation of a Java web application with Oracle DB backend and Windows Server
- Integration of interfaces to SAP, CAD PDM, and external data exchange
- CAD conversion with Materialize and connection of 3D printers
- QA data collection
- Technologies: Java (6, 8, 11), JEE (GlassFish 2–5), JSF, PrimeFaces, JPA (1.2.1), Windows Server (2012–2019), C#, Oracle DB, PostgreSQL, NetBeans, Eclipse, Visual Studio
Jun 2007 - Dec 2011
4 years 7 months
- Design of the ABS-OMS integration for the Allianz Business System
- Implementation of online data provisioning and batch printing processes
- Conducting workshops and trainings
- Technologies: Java, JEE (WebSphere, JBoss), Swing, PL/1, MQ, XML, XSLT, XSD
- Tools: Enterprise Architect, Eclipse, DB-Visualiser, Compart DocBridge
Nov 2005 - Feb 2007
1 year 4 months
- Design of MSG output management
- Assistance to the chief architect
- Development of the APKV output management solution
- Implementation of a PoC for an Allianz output management solution with Compart DocBridge Converter & Mill
- Technologies: Java, C++, PL/1, XML, XSLT, XSD, MQ, DB2, Oracle DB, Library Manager
Jan 2005 - Present
20 years 9 months
- Lead developer
- Analyst
- Architect
- Data modeling
- Requirements engineer
Nov 2001 - Oct 2003
2 years
- Development of ISIS, an order and inventory system for the purchasing department of an automotive supplier
- Migration from MS Access to a client-server architecture
- Development of reporting and analysis tools (TeX/LaTeX)
- Use of Windows Server, Microsoft IIS, MS SQL Server, and ASPX