I applied via LinkedIn and received call from HR within minutes which lasted for half an hour initial interview. Second interview was organized with their consultant in Sydney and third interview with HR and Team lead via Skype. Fourth interview with head of APAC in a cafe in north Sydney as they told me that thy don't have an office in Sydney as yet. After all that hassle I went through, I would expect them to at least give me a call and let me know that they don't want to hire me for so and so reason. When I didn't hear back, I send a message to the HR who never bother to reply. Very unpleasant experience.