The process took 2 days. I interviewed at VirtusLab (Kraków) in Apr 2019
Interview
Prescreen: Interviewer asked various questions from software engineering domain.
On-site interview was split into 2 parts:
1) 45 min coding task with one person
2) 45 min system design with another person
Interview questions [1]
Question 1
about DDD, reactive programming, SOLID
Streaming, Java Functions API