#java
#javamail
#mocking
#testing
#generics
#sql
#oracle rdbms
#junit
#grovvy
#spock
#grails
#geb
#selenium/webdriver
#ui testing
#builder
#openoffice
#ci
#acceptance testing
#concordion
#jbehave
#specification by example
#jackson
#jaxb
#jersey
#security
#vpd
#pl/sql
#Architektur
#Dependency Inversion
#Decoupling
#Hexagonal
#Domain-Driven Design
#Java
#Exceptions
#Microservice
#Testing
#Monitoring
#Metrics
#Prometheus