In total, I had 6 rounds.

• 1st: HackerRank coding.

Whiteboard Coding Round - 2 rounds

• 1 Managerial Round
• 1 Cross-Business Unit round, held via video call from the Hyderabad office.

The last round was the VP Round, held from the US.

Overall, the interview process was good.

1st White Board Round

• Code mirror of a tree?
• Modified the above question to a more difficult scenario.
• Level Order Tree Traversal
• External Sorting
• Storage and retrieval of a huge number of IP addresses. Device strategy for optimal storage and retrieval.

2nd White Board Coding

• Shortest distance between two graph nodes. Coded it and provided their time and space complexity.

3rd Managerial Round

• Design BookMyShow.
• Asked about my work and to explain it.
• Coding question for storing version numbers with optimum space.

4th Round: Cross Business Unit (Video Call from Hyderabad Office)

• Egg Drop DP problem.
• Kth highest element.
• Merge sort-based question.
• Spiral printing of a tree.
• Dutch National Flag-based problem to find three elements that sum up to a given number.

5th VP Round (US Video Call)

• Mostly discussions based on my resume.
• What are my interests and why I want to join ServiceNow.
• Also answered some of my questions.