Total 4 rounds were there.

1)DSA
2)LLD
3)Managerial
4)HR

Round 1

1. Easy question => Array and hashing
2. Easy to Medium => Similar to Construct binary tree from preOrder

Round 2

LLD: Design Elevator System.

It was great discussion. Started with gathering requirement and then moved to required class/entities and in between some discussion on which design pattern would be better for specific feature/implementation. And then finally he dicussed about it's state diagram and concluded the interview.

Round 3

It was roaming around projects, resume and leadership scenarios. It was taken by manager.

Round 4

Leadership question and discussion about salary expectation.

Finally, got the offer.

Offered Compensation link: https://leetcode.com/discuss/post/6583389/tekion-sde-1-offer-by-anonymous_user-il9w/