Member of the Product Management and Product Owner team for Private Cloud Platform

Developing a private cloud platform for the Bundeswehr.

• Member of the Product Management and Product Owner team for the Private Cloud Platform
• Developing use cases for cloud products
• Organizing and running use case workshops
• Defining use cases with product stakeholders
• Requirements engineering
• Evolving the roadmap and goal chain
• Measuring and improving the user-friendliness of the platform
• Defining a methodology to determine developer experience
• Creating test scenarios, training testers and observers
• Organizing and running testing sessions
• Processing results and deriving actions
• Presenting findings and results to stakeholders
• Planning implementation of improvement measures with product stakeholders
• Moderating the weekly Product Owner meeting
• Introducing and coordinating focus topics for quarterly planning
• Technology environment: VMware, Kubernetes, Helm Charts, Kyverno, ArgoCD, Crossplane, HashiCorp Vault, Linkerd, PostgreSQL, ElasticSearch, Grafana, MinIO, Artifactory, Python, Nexus, Sysdig, Active Directory, GitLab, Git, Docker, Jira, Confluence, Scrum, Kanban, DevOps, ITIL, CI/CD, IoT

BiPRO services (web service interface between brokers and insurers) had to be updated and gradually migrated into the on-premises Kubernetes cloud as microservices. As part of the further development, operations also had to be ensured. This included advising projects to achieve operational readiness, including monitoring, joint incident handling, and designing and implementing optimization measures.

• Coordinating development and operations of BiPRO web services regarding new features, go-lives, changes and incidents
• Implementing continuous improvement following DevOps and agile principles; improving collaboration between operations and development
• Describing and implementing requirements for maintainability and operation of applications, optimizing operational processes (e.g. monitoring, alerting mechanisms, etc.) towards observability
• Documenting and presenting results to the project team and stakeholders, including recommendations for further actions
• Product management, building collaboration with other Scrum teams
• Release planning, performing deployments, preparing for technical and functional acceptance, test automation, microservices deployment pipelines, expanding operational documentation
• Documenting, planning and technically preparing the migration of 3 BiPRO services
• Technologies: BiPRO: Security Token Service (STS), Standards 420 (non-TAA) and 430 (TAA), JBoss Wildfly, Softproject X4, Maven, Ant, PostgreSQL, Jenkins, microservices, Java, Spring Boot, Private Cloud, Kubernetes, Spinnaker, Rancher, ElasticSearch, Kibana, Instana, WSDL, REST, SOAPUI / ReadyAPI, Postman, MinIO (S3 compatible), GitHub, Docker, CA Harvest, ITSM, HP Service Manager, Jira, Confluence, Scrum

Project Management Migration and Extension of Enterprise Service Bus and JEE Web Applications.

• Agile Project Management
• Create and coordinate project proposals with stakeholders, manage multiple parallel projects
• Planning and coordination of scope, effort, schedule, budget, quality assurance
• Requirements and Dependency Management
• Management of Indian offshore software vendor and internal teams
• Introduced agile approaches from the Scrum framework like Daily Scrum, Burn-Down Charts, Retrospectives, Product Backlog, Sprint Backlog into the project where organizationally possible.
• Coordinate new architecture and requirements with offshore team and internal architects
• Coordinate onsite testing activities and acceptance
• Project control and tracking of deliverables, project reporting, stakeholder management and risk management
• Project language: English
• Skills: SOA, Enterprise Service Bus, ESB, Java, Web services, WSDL, REST, JSON, XML, XSD, SOAP, JBoss Fuse, JBoss EAP, VMWare, Harvest, Atlassian JIRA, Atlassian Confluence, MS Project, Scrum, Acellere Gamma, Jenkins, git, GitLab, Scrum

Lufthansa SOA and Middleware Platform.

• Initial takeover project and knowledge transfer from previous vendor
• Define, implement and establish processes with teams in Bangalore, India and Nice, France and the customer
• Acting as first point of contact for functional issues and change requests between Lufthansa Group and Amadeus
• Analyzed feasibility, costs and benefits, proposed specific solutions including sizing and implementation plan, evaluated solution architecture, ensured quality and consistency of deliverables.
• Project management for LH eJournal integration project
• Project management for Concur Travel Management (SAP) integration project
• Project planning with offshore and local teams
• Coordination of projects between Lufthansa, Amadeus and other third parties
• Solution and delivery management
• Supported the launch of the Lufthansa OpenAPI project, Lufthansa's first externally accessible API platform for third-party developers
• Facilitating the required architecture and security measures for OpenAPI
• OpenAPI release planning
• Project language: English
• Technology: Mashery API Management, SOA, Synchronous, Asynchronous, Batch, Tibco BusinessWorks, Tibco EMS, Enterprise Service Bus, Aurea Actional, OpenAPI, Java, Web services, WSDL, REST, XML, XSD, Axis2, CXF, SOAP, Ruby on Rails, git, Maven, Oracle WLS, Sharepoint, SOAP UI, C++

Product development: myIDTravel booking system for airline employees.

• Improved product quality through various organizational and tool-based measures
• Led the initiative to introduce a continuous integration system to ensure stable builds, software code quality assurance, and implementation of PMD and FindBugs
• Introduced Maven as the build tool instead of Ant and replaced CVS with Subversion
• Set up a wiki as a knowledge base to support external software developers, developed and provided sample implementations and architecture documentation
• Mentored junior developers, presented and guided the development team on using new tools.
• Advised the program manager on architecture matters
• Specified external interfaces for single sign-on and external reservation systems, WSDL, OTA, .NET compatibility testing, WS-Security, WS-Policy, problem analysis, and interface implementation
• Prepared deployment and configuration for production
• Organized integration projects for system rollout at customer sites
• Supported user acceptance tests, helped customers implement interfaces, and tested interfaces
• Conducted load testing and performance analysis
• Skills: Java, Enterprise Service Bus, XML, XSD, Web services, OTA XML, Axis2, SOAP, Apache ServiceMix, Tomcat, mySQL, Ruby, Selenium, JUnit, RSpec, Subversion, git, Maven, IntelliJ IDEA, JIRA, Jenkins/Hudson, JMeter

Development of a passenger management system as a product for the airline market to replace existing host-based legacy systems.

• Member of the software architecture team
• Direct Booking Module Distribution Channel Manager (XML Rules Engine as Web Service), FrontSales (Swing GUI), Internet Booking Engine (Struts), Falcon Client Access (XML Middleware)
• Requirements management (functional, non-functional)
• Consulting on technical feasibility of concepts, development of test concepts (functional, non-functional)
• Quality assurance of externally developed or purchased software components by offshore service providers (documentation, software tests, source code review)
• Technical contact for external subcontractors in Dublin (Ireland), Budapest (Hungary), Minsk (Belarus) and Bangalore (India)
• Test automation (e.g. Continuous Build Process, Scripting)
• Error analysis and documentation
• Project language: English
• Technology: Java, J2EE, EJB, XML, XSD, XSLT, Webservices, SOAP, BEA Weblogic 9, Tomcat, Oracle RAC, mySQL, Ruby, JUnit, CVS, IntelliJ IDEA, Enterprise Architect, UML, AccuRev, JIRA, TeamTrack, Bugzilla, CruiseControl

Load tests for components of the Enterprise Application Integration (EAI).

• Investigating the behavior of developed EAI software components (stateless session beans) under full load in individual and combined tests.
• Evaluating a third-party Java software component for its suitability in a server environment.
• Developing a sample application using the component as a proof of concept for its use in the BEA WebLogic EJB container.
• Technical project coordination
• Concepts for setting up load tests (hardware & software)
• Defining stress test cases, load tests with JMeter as load generator, developing a JMeter plugin for EJB load generation, load test scripts
• Developing load generators and sinks based on existing EJBs
• Investigating memory leaks, response times, CPU usage, and memory requirements
• Analyzing results, documentation, investigation reports, and presenting the findings
• Technologies: BEA Weblogic 8.1, J2EE, EJB, CORBA, JMeter, XML, JUnit, CVS, Eclipse, IntelliJ IDEA, GNUPlot