From 1997 to 2003, Jeckle attended the University of Applied Science in Augsburg. In 1998, he received his computer science degree for his thesis (paper) "Prozeßkettenmodellierung am Beispiel der Gießwerkzeugentwicklung und prototypische Implementierung auf Basis des EDM/PDM - Systems Metaphase" (An example of process chain modelling in casting tool development and prototype implementation on basis of the EDM/PDM - Systems Metaphase). At Augsburg, he taught Java, Java Threads, XML and software engineering.