After a couple of rounds with HR, I got to speak to the hiring manager. Although he initially contacted me about the job, saying that the fact that I haven't been using ELK doesn't matter at all, in the end, he couldn't recall how we ended up in contact. It turned out that previous experience is needed. All in all: a loss of time.
Some typical stuff (nothing smart enough to remember).
The following metrics were computed from 1 interview experience for the Elastic Engineer role in Croatia.
Elastic's interview process for their Engineer roles in Croatia is extremely selective, failing the vast majority of engineers.
Candidates reported having very negative feelings for Elastic's Engineer interview process in Croatia.