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

Development of a private cloud platform for the German armed forces.

• 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 owners
• Requirements engineering
• Further development of the roadmap and target chain
• Measuring and improving the platform's usability
• Defining a method to determine developer experience
• Developing test scenarios, training testers and observers
• Organizing and running test sessions
• Processing results and deriving actions
• Presenting findings and results to stakeholders
• Planning the implementation of improvements with product owners
• 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 technologically and gradually migrated into the local Kubernetes cloud as microservices. As part of further development, operations also had to be ensured. This included advising projects to reach production readiness, including monitoring, joint incident handling, and designing and implementing optimization measures.

• Coordinating development and operations of BiPRO web services regarding new features, go-live, changes, and incidents.
• Implementing continuous improvement following DevOps and agile principles; improving collaboration between operations and development.
• Defining and applying requirements for application maintainability and operations; 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, executing deployments, preparing technical and functional acceptance, automating tests, microservices deployment pipelines, expanding operations documentation.
• Documenting, planning, and technically preparing the migration of three 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 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, and implementation of PMD and FindBugs
• Introduced Maven as the build tool replacing Ant, and replaced CVS with Subversion
• Introduced a wiki as a knowledge base to support external software developers, developed and provided example implementations, architecture documentation
• Mentored junior developers, presented and trained the development team in using new tools
• Advised the program manager on architecture issues
• Specified external interfaces for single sign-on and external reservation systems, WSDL, OTA, .NET compatibility testing, WS-Security, WS-Policy, issue analysis, interface implementation
• Prepared deployment and configuration for production
• Organized integration projects for system introduction at customer sites
• Supported user acceptance tests, assisted customers with interface implementation, tested interfaces
• 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).

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