Salesforce MTS | 2.5 yrs Exp

I had my OA, Salesforce Aloha test,at the beginning of August. Don't remember the questions exactly, they were 2 in number and were of Medium level.

I had all interviews scheduled in-person in Gurgaon office on 3rd September, Sunday.

(Mail mentioned 3 rounds, but there actually were only 2 that were to happen)

Coding Round
Introductions, Project in detail, Few theoretical questions on Data Structures

Skyline Problem: https://leetcode.com/problems/the-skyline-problem/
Binary Tree Problem with 3 followups
a. Print relationships between all parents and children during tree traversal.
b. How will you handle in production when an external team uses your API and you have to change its definition for internal use but not for external team and also have to provide the new functionality to them for which you change function definition?
Hiring Manager Round

Project in detail
Resume in detail
Discussion on where I implemented Multithreading and Multiprocessing and Why?
Why certain project decisions were made? (This was a very exploratory discussion.)
How was my day? Hobbies?
Both interviewers were very down to earth. First interview happened with a senior engineer with 11 years of experience and Hiring Manager, she had 20 years of experience.