The next application period for salaried positions starting in 2025 is 27.8.-9.9.2024. Application instructions can be found from the University's Instructions for Students pages.
Other ways of funding a PhD project is a salary paid by the supervisor or a personal grant from a private foundation applied by the doctoral candidate him/herself. Doctoral candidates may also fund their studies themselves or pursue their degree in tandem with work. Further information on the different funding options is available here.