there are several positions at the Center for Critical Computational Studies (C3S) @goetheuni.bsky.social, english + German descr. in the link :
2 Postdoctoral Researcher position (100%, 3-4 years)
3 Doctoral Researcher / PhD positions (75%, 3-4 years)
https://www.uni-frankfurt.de/48794987/Zentrale_Einrichtungen