Employment
- Since 2023 :: Principal Enterprise Architect :: T-Systems International
- Since 1993 :: Specialist and book author as well as speaker on software development, cloud native and processes
- 2022 :: Director Enterprise Architecture :: sonnen
- 2019 to 2022 :: Team Leader and Senior Software Engineer :: Kubermatic
- 2017 to 2018 :: Senior Software Engineer :: Status Research & Development
- 2016 to 2017 :: Software Architect and Senior Software Engineer :: AKKA
- 2011 to 2015 :: Senior Software Engineer :: Canonical
- 2006 to 2011 :: Team Leader and Consultant :: BTC
- 2003 to 2006 :: Technical Project Manager and System Specialist :: Thales Defence
- 2001 to 2003 :: Software Development Manager :: OpenKnowledge
- 2000 to 2001 :: Vice President Software Development :: CANBOX
- 1999 to 2000 :: Software Development Manager :: RedDot
- 1997 to 1999 :: Unix System Specialist :: Nordwest-Zeitung
- 1991 to 1997 :: System Specialist :: R+V Versicherung
Knowledge
- Agile development processes (Agile, Lean, Scrum, Kanban, XP)
- Software PM Lead, Software Product Owner, Scrum Master
- Requirements Engineering
- Software Cost Estimation (FPA, COCOMO 2, Pert, Story Points)
- Distributed and scalable software architectures
- Cloud Native and Kubernetes
- Programming languages (Go, Erlang/OTP, Smalltalk, Java)
- Personnel management
Interests
- The human factor in teamwork
- True agility
- System analysis, solution designs and architectures
- Architecture selection beyond trends
- Concurrent systems
- High availability and scalability
- EDA and complex event processing
