Independent DevOps and Cloud Transformation Consultant

Development of a Private Cloud Platform for the German Armed Forces

• Member of product management and Product Owner team for Private Cloud Platform
• Development of use cases for cloud products
• Organizing and conducting use case workshops
• Definition of use cases with product owners
• Requirements Engineering
• Roadmap development, target chain
• Measuring and improving platform usability
• Define methodology for determining Developer Experience
• Development of test scenarios, training testers and observers
• Organizing and conducting test sessions
• Process results and derive measures
• Present findings and results to stakeholders
• Planning implementation of improvement measures with product owners
• Moderation of weekly Product Owner Meeting
• Introducing and coordinating focus topics for quarterly planning

Technologies: 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 technologically updated and gradually migrated to local Kubernetes cloud as microservices
• Advised projects on achieving operational readiness including monitoring, joint incident handling and design and implementation of optimization measures
• Coordination between development and operations of BiPRO web services regarding new features, go-live, changes, incidents
• Implementation of continuous improvement in terms of DevOps and agile principles
• Description and implementation of requirements for maintainability and operation of applications
• Documentation and presentation of results for project team and stakeholders
• Product management, building collaboration with other Scrum teams
• Release planning, deployment execution, preparation of technical and functional acceptance
• Documentation, planning and technical preparation of 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

Migration and Extension of Enterprise Service Bus and JEE Web Applications

• Agile Project Management
• Create and coordinate project proposals with stakeholders
• 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 Scrum practices
• Coordinate architecture and requirements with teams
• Coordinate testing activities and acceptance
• Project control and reporting

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

Lufthansa SOA and Middleware Platform

• Initial takeover project and knowledge transfer from previous vendor
• Define and establish processes with teams in Bangalore, Nice and customer
• First point of contact between Lufthansa Group and Amadeus
• Analyzed feasibility and proposed solutions including sizing and implementation
• Project management for LH eJournal integration
• Project management for Concur Travel Management integration
• Coordination between Lufthansa, Amadeus and third parties
• Supported launch of Lufthansa OpenAPI platform
• Facilitated architecture and security measures for OpenAPI

Technology: Mashery API Management, SOA, 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

• Product quality improvement through organizational and tool-based measures
• Led initiative for continuous integration system implementation
• Introduction of Maven as build tool and Subversion for version control
• Wiki implementation as knowledge base
• Mentoring junior developers
• Architecture consulting
• Interface specification for Single-Sign-On and external reservation systems
• Organization of customer integration projects

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 passenger management system for airline market

• Member of software architecture team
• Direct Booking Module development
• Requirements management
• Technical feasibility consulting
• Quality assurance of external components
• Technical contact for contractors in Dublin, Budapest, Minsk and Bangalore
• Test automation
• Error analysis

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 testing for Enterprise Application Integration (EAI) components

• Analysis of EAI software components under full load
• Evaluation of third-party Java components
• Proof of concept implementations
• Technical project coordination
• Load test concept development
• JMeter plugin development
• Performance analysis and optimization

Technologies: BEA Weblogic 8.1, J2EE, EJB, CORBA, JMeter, XML, JUnit, CVS, Eclipse, IntelliJ IDEA, GNUPlot