Convention over configuration (aka coding by convention) is a software design paradigm which seeks to decrease the number of decisions that developers need to make, gaining simplicity, but not necessarily losing flexibility.
Couple GORM Grails Object-Relational Manager with Grails to yield a one short line of source code to instantiate and instance of CRUD for any class (or table) in the project.
The dynamic language Groovy produces Java source code with a high degree of efficiency. The technicians only requirement is to learn the Grails framework and its idiosyncrasies.