1 Telephonic, 4 Onsite rounds
All problems are on leetcode

Telephonic:
3 Sum problem.
Asked me to write a separte test class as well to test the code.

Onsite Round 1 : Coding
Slight variation of binary tree leaves problem. (N number of child nodes)
Serialize and Deserialize of BT

Onsite Round 2 : Coding
Permutation problem.
Print different palindromic subsequence

Onsite Round 3: Behavioural
Basic behavioural questions.

Onsite Round 4: System Design
Design bit.ly
Probably the worst SD round I ever had. Interviewer was not letting me speak. He spoke for 60% of the time.

Though, I solved all coding problems, but I feel I wont get through because of SD round. But was a good experience. Waiting for the feedback.