I applied in-person. The process took 1 week.

An interview took 2 weeks and consisted of 4 rounds. It was a positive experience. Although I got rejected after the final round, they wanted a perfect candidate.

• 1st round: Coding questions with Java basic core concept questions.
• 2nd round: Face-to-face round with questions mostly from trees.
• 3rd round: Face-to-face round with more advanced concepts, including caching implementation, system design, design patterns, and obviously some tree questions.
• 4th round: Face-to-face managerial round. This round was mainly focused on system design, like Google Docs simultaneous updates and itemized bills for different servers based on usage.

The topics were:

• Pair sum of tree.
• LCA of tree.
• Largest subarray with equal number of 0s and 1s.
• Floyd detection algorithm.
• Sorted and rotated array.
• Double check singleton class.
• Implementation of different design pattern.
• Cache implementation based on distributed system.