Recruiter reached out on mail with opportunity and a hackerrank link for OA.

Two questions
        1) OOPS - basic java question to design interface and imp class - EASY
        2) DSA - using priority queue + greedy - HARD

Recruiter reached out via call to schedule 1st round

1 Question:
	- Dynamic programming - variant of target sum
	- Long discussion on brute force, time complexity and optimization techniques
	- Deep dive into internals of Java Hashmap

1 Question: 
	- Design Uber/Lyft
	- Detailed discussion on back of the envelope discussion, cost estimation, database storage estimation
	- Discussion on Observer pattern, Kakfa internals, SQL vs NoSQL
	- Projects worked on in the past
	- Discussion on resume

Recuiter reached out to schedule other 2 rounds

1 Question:
	- Design Rate limiter
	- Detailed discussion on design patterns, why this design pattern is used here
	- Internals of hashmap in java, multithreading
	- Past projects
	- Tech stack used in past

1 Question:
	- Introduction from both side
	- Team conflicts you've faced, how you handle
	- Detailed discussion on technologies used/why
	- How do you manage adjusting to new team
	- How do you reach out to your manager/skip manager