I applied for the position in Amsterdam through Linkedin. Immediately one day after, I was contacted by HR to set up a phone interview, which lasted around 20~30 minutes. After I passed the first screen, I was given a home assignment. HR told me that there is no deadline for the submission but I was encouraged to submit it ASAP. So I submitted after 10 days. So far I haven't heard of anything yet after I have submmited it for one week... Do not know if Uber doesn't send rejection letter or they are slow in sending the letter? :)