I went to an Open day around a year ago, was told most would receive an update within a week and others had to wait. Took them 3 weeks to get back to me just to let me know I was going to be invited for an assessment.
As it stands right now, the sim is running at full capacity in BUD with new guys being sent to Sofia, Amsterdam and Gatwick just to complete company induction.
Some are having to wait over a month to get sim slots.
They are desperately requiring their new training centre to be completed to get extra sims in but for now it is just a long queue.
Be patient and your time will come, Wizz is expanding very quickly. I believe it is something around the likes of 15 aircrafts joining the fleet between march and june alone!
When your time comes for the interview, it is crucial to remember you are not competing against the others in the group. There will most likely be around 20 candidates on a day. You simply get through all the hurdles or you get cut as the day goes. The recruitment team is very friendly and will make you feel welcomed.