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 stakeholders
• Requirements engineering
• Evolving the roadmap and goal chain
• Measuring and improving platform usability
• Defining a methodology to assess developer experience
• Developing test scenarios, training testers and observers
• Organizing and conducting test sessions
• Processing results and deriving actions
• Presenting findings and results to stakeholders
• Planning implementation of improvements with product stakeholders
• Facilitating 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

The BiPRO services (web service interface between brokers and insurers) needed a technology update and step-by-step migration to the local Kubernetes cloud as microservices. Operation had to be ensured as part of the development. This included advising projects on reaching operational readiness, monitoring, shared incident handling, and designing and implementing optimization measures.

• Coordinating between development and operations of BiPRO web services for new features, go-live, changes, and incidents
• Implementing continuous improvement in line with DevOps and agile principles; improving collaboration between ops and development
• Defining and implementing requirements for maintainability and operation of applications, optimizing operations processes (e.g., monitoring, alerting, etc.) toward observability
• Documenting and presenting results to the project team and stakeholders, including recommendations for next steps
• Product management, building collaboration with other Scrum teams
• Release planning, handling deployments, preparing technical and functional acceptance, automating tests, microservices deployment pipelines, expanding operations documentation
• Documenting, planning, and technically preparing 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 for migration and extension of enterprise service bus and JEE web applications.

• Agile project management
• Creating and coordinating project proposals with stakeholders, managing multiple parallel projects
• Planning and coordinating scope, effort, schedule, budget, and quality assurance
• Requirements and dependency management
• Managing an Indian offshore software vendor and internal teams
• Introducing agile Scrum practices like daily Scrum, burn-down charts, retrospectives, product backlog, and sprint backlog where possible
• Coordinating new architecture and requirements with offshore and internal architects
• Coordinating onsite testing activities and acceptance
• Project control, deliverable tracking, reporting, stakeholder 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, Confluence, MS Project, Scrum, Acellere Gamma, Jenkins, Git, GitLab

Lufthansa SOA and middleware platform.

• Initial takeover project and knowledge transfer from previous vendor
• Defining, implementing, and establishing processes with teams in Bangalore (India), Nice (France), and the customer
• Acting as first point of contact for functional issues and change requests between Lufthansa Group and Amadeus
• Analyzing feasibility, costs, and benefits; proposing solutions with sizing and implementation plans; evaluating architecture; ensuring quality and consistency
• Project management for LH eJournal integration
• Project management for Concur Travel Management (SAP) integration
• Planning projects with offshore and local teams
• Coordinating projects between Lufthansa, Amadeus, and third parties
• Solution and delivery management
• Supporting launch of the Lufthansa OpenAPI, the first external API platform for developers
• Facilitating architecture and security measures for OpenAPI
• OpenAPI release planning
• Project language: English
• Technology: Mashery API Management, SOA, synchronous/asynchronous/batch, Tibco BusinessWorks, Tibco EMS, ESB, Aurea Actional, OpenAPI, Java, web services, WSDL, REST, XML, XSD, Axis2, CXF, SOAP, Ruby on Rails, Git, Maven, Oracle WLS, SharePoint, SoapUI, C++

Product development: myIDTravel booking system for airline employees.

• Improving product quality through organizational and tool-based measures
• Leading the initiative to introduce continuous integration for stable builds, code quality checks, adding PMD and FindBugs
• Replacing Ant with Maven as the build tool and CVS with Subversion
• Setting up a wiki as knowledge base for external developers, providing sample implementations, and architecture docs
• Mentoring junior developers and training the dev team on new tools
• Advising the program manager on architecture
• Specifying external interfaces for single sign-on and reservation systems: WSDL, OTA, .NET compatibility tests, WS-Security, WS-Policy, issue analysis, interface implementation
• Preparing deployments and configurations for production
• Organizing integration projects for customer rollouts
• Supporting user acceptance testing, assisting customers with interfaces, testing interfaces
• Load testing and performance analysis
• Skills: Java, ESB, 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 product to replace host-based legacy systems for airlines.

• 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 and non-functional)
• Advising on technical feasibility, creating test concepts (functional and non-functional)
• Quality assurance of components from offshore providers (docs, tests, code reviews)
• Technical contact for subcontractors in Dublin, Budapest, Minsk, and Bangalore
• Test automation (continuous build, scripting)
• Error analysis and documentation
• Project language: English
• Technology: Java, J2EE, EJB, XML, XSD, XSLT, web services, SOAP, BEA WebLogic 9, Tomcat, Oracle RAC, MySQL, Ruby, JUnit, CVS, IntelliJ IDEA, Enterprise Architect, UML, AccuRev, Jira, TeamTrack, Bugzilla, CruiseControl

Load testing of EAI components.

• Studied performance of stateless session beans under full load in single and combined tests
• Evaluated a third-party Java component for server suitability
• Developed a proof-of-concept application using the component in BEA WebLogic EJB container
• Technical project coordination
• Designing load test setups (hardware and software)
• Defining stress test cases, load testing with JMeter, creating a JMeter plugin for EJB load, scripting load tests
• Building load generators and sinks based on existing EJBs
• Investigating memory leaks, response times, CPU and memory use
• Analyzing results, reporting, and presenting findings
• Technologies: BEA WebLogic 8.1, J2EE, EJB, CORBA, JMeter, XML, JUnit, CVS, Eclipse, IntelliJ IDEA, GNUPlot