For the hackerrank challenge, there were 3 coding tests. In the first one, 8 codes were asked to be solved in 60 mins. Basic data structures, nothing is a surprise. 2nd and 3rd were based on networks and data analytics respectively. Both were coding questions aimed to solve a network problem and data analytic problem. These were for 90 min each. There were 3 onsite interviews. Importance is given to networks, cloud based questions, and scalability. Be sure to give a solid answer to "Why Vmware". The standard is very high so you've to be on your game.