They take 2 rounds of interviews first is technical round which was 1 and half hr and second is management round which is 1 hour if you clear two round they release the offer .first round will be important round they will check all skills like core java java8 spring boot micro services sql programming and devops question.first round will be long technical round .and second round will be managerial round in that round they will ask about your challenges face in previous project

I had cleared all the 4 round. After clearing that I got call like they missed to ask some topics and now again they want 1 more round. They ask some architect level questions and then rejected me.