Any opensource, themed CV generators out there?

It’s that time again and I’d like to make my life easier. I have multiple CVs for different positions and in different languages. Recruiters and companies want the CVs in PDF. My current workflow is to sequentially edit the .odts (wording then layout because things move around depending on length), maybe the style, then save and export to PDF. That can take a while, so here I am, wondering if it can be sped up by simply editing a text file and generating CVs with certain themes. Or what your workflow is. Maybe this isn’t worth automating…