Zenefits:

Online coding round : 2 questions from interview bit

1 . no of ways to decode a message.
2. Given a string, find the rank of the string amongst its permutations sorted lexicographically.

F2F:

1st round:

1. reverse a linked list in k groups and k is fibanocci series.

2nd round:

2. writing a custom sort function and discussion about my current project.

3rd round:

3. discussion on system design for whatsapp and approaches to solve those problems , handling at scale.

4th round:

4. discussion with india head about carrer and aspirations.