Interview process is long. First you will have an easy coding challenge online. After that you will have series of interview from System design to your domain and live coding challenges. People are helping.

I applied online and I was invited for a first-round call. I accepted immediately and started waiting for the day to come while I was preparing for it. 1st interview: Recruiter did not appear! I was supposed to wait for few minutes and quit the call probably but I just kept it on for 15 minutes while I sent an email to the recruiter. No reply. And someone (who is not the recruiter I was arranged to meet) suddenly appeared in the online call after 15 minutes, with much background noise and still doing some arrangements and asking few minutes from me. He seems he was lost and asked last minute to carry it. He just repeated to me that my CV looks good, the hiring manager wants to meet me, everything looks alright, etc. as he sounds he wants to just end the meeting, I said thank you and looking forward to the next stage and we ended up the call. Afterward, I emailed the initial recruiter, what's next? No reply so far (As of I'm writing this, It's been 2 weeks). So overall experience I had since the beginning shows me "Nothing as it seems". I had a better opinion about Zalando that they are a respectful company but they don't respect your own time first of all and very unprofessional recruiter.