Since 1996 over 60 projects with large and small organizations:
Federal Employment Agency, Deutsche Bahn, Gothaer, Samsung, Unicef, Wikipedia, Westaflex, Univention, etc.
- Requirements engineering
- Architecture
- Implementation with Python, Flask, neo4j, Zope, Plone and others
- Graph databases and Semantic Web
- Cryptography based systems / Ecash
- Support of open source projects
- Trainer experience
- Pair programming
Areas of experience
Coding
Python, Cypher, SQL, Javascript, (PHP)
Internet
HTML, Internet Protocols, XML, Semantic Web, REST, freeOpenAPI
Server
Neo4j, Zope, Apache, MySQL/MariaDB
Frameworks
flask, fastapi, plone, htmx, pytest, uikit
OS
Linux, Windows
Security
cryptography, PKI, TLS, PGP, OAUTH2 / OIDC
Methods
Scrum, Kanban
In training
Terraform, CI/CD