Non-standard employment – employment with a non-permanent contract – is currently in the heart of economic and political debate. This project uses a new longitudinal approach to examine the role of non-standard employment by treating careers as ‘process outcomes’ where the whole employment trajectory matters, and not as ‘point-in-time transitions’ where only the outcome of a single episode matters, as previous research has done. The results show that careers of workers in non-standard employment are much more diverse than previously assumed: they are not limited to prospects or precarity, but vary on a range of employment security and income security.