The University of Paderborn offers stipends on the Post-doc level. The duration of the stipend is 18 Months without any teaching duties.
For further information see

https://www.uni-paderborn.de/fileadmin/forschung/fk/Ausschreibung_Postdoc-Stipendien_2022_V_1_0.pdf

For ppportunites in Probability Theory please contact kolb@math.uni-paderborn.de