Here’s a link to the website of the VBio society (a German biological society) that provides general career information for biologists:
http://www.vbio.de/informationen/ausbildung__karriere/berufs_karriere_infos/index_ger.html
The VBio page also offers an overview over salaries for biologists in different positions depending on qualifications and experience:
The GdCh – German Chemical Society provides similar information for chemists on their homepage : http://en.gdch.de/main-navi/education-career.html