The recruiter got in touch. After requirements discussion, interview rounds were scheduled.

The opening was for a Backend Developer.

There were 3 technical rounds focused on problem-solving and design.

All rounds were conducted in a single day.

Round 1:

1. Subarray that sums up to a given target element.
2. Sort an array of 0s and 1s.
3. Given an array: total number of BSTs possible.
4. Hashmap implementation.

Round 2:

1. Boolean expression simplification using Boolean algebra.
2. One simple array question.

Round 3:

1. Elevator design.
2. One string parsing question.

Round 4:

Managerial round:

• Discussion on current project architecture.
• Reasons behind switches.

Got rejected here.