Location: US

Manager contacted me through LinkedIn for openings in their team. Had an initial call for 40 min with Manager. This call included discussion regarding the team and my resume.
Recruiter contacted me later after a week. After recruiter contacted me, I scheduled my phone screen in 2 weeks.
Meanwhile I was sent online assessment

Online assessment:

Consisted of 2 parts
Part 1:
2 coding questions
Part 2:
Behavioral questions and situation related questions

Phone Screen:
Project related questions - Have a good grip on the projects included in your resume. One or two projects (from end to end)
LRU Cache

After phone screen has been done, I received the decision of moving further to virtual onsite within a day.

I scheduled my virtual onsite interview in another 3 weeks

4 Rounds:
Each interview is around 1 hour

1. Coding
   Leadership principles related questions - 30 min
   Similar to wordbreak https://leetcode.com/problems/word-break/

2. System Design
   Leadership principles related questions - 15 min
   Design a temparature sensor system

3. Coding
   Leadership principles related questions - 30 min
   Tree Traversal
   Similar to https://leetcode.com/problems/step-by-step-directions-from-a-binary-tree-node-to-another/

4. Leadership principles related questions - 30 min
   Object Oriented Design
   Amazon Locker System

Leadership Principles:

Have good stories from your career. Atleast 2 stories for each of the leadership principles
What failures did you face in your career?
Diagreement scenario with your teammate
What new ideas did you implement for any of your project
How did you own any specific work in your project and lead the team?

Additional Tips:

Understand what your work is in the project. Individual work needs to be explained.
Have good grip on datastructures and algorithms, complexities.

Offer
Received offer letter after 3 business days