After applying online, I got an email from the recruiter to schedule a phone interview.

I received a call to schedule an onsite interview one week after the phone interview. The onsite interview had four rounds.

One week after the onsite interview, I got an email about the result. The questions were pretty standard algorithm questions.

Check if one binary tree is a subtree of another.

Verify if a given series is a Fibonacci series.

Reverse a doubly linked list.

Given a BST with integer values and a key, find the closest node to the key. For example, for the BST 1, 4, 7, 15 and key 8, node 7 should be returned.

Some design-based questions.