1st screening round : 20 mins on System Design and 20 mins coding. Once you clear those, 1. coding round 2. System Design 3. LLD (Application Architecture) 4. Behavioural round. unprofessional HR , they will be all nice to you before the interview, Once you have completed the interviews, if they are not making an offer to you, they will ignore the debreif call even after scheduling it. Unprofessional .