Amazon Interview Experience

Amazon SDE II Interview Experience

Had 6 rounds
1st Telephonic Screening
4 Onsite Rounds
1 Telephonic Bar raiser


Below is my experience
Round1 - Telephonic
Coding Question

Round2 - Coding/Problem Solving
Q1 Given below currency conversions with their factors
A - B  10
B - C   8
C - D   4
Write a program such that given any pair of currency (C1, C2) with a total number of C1 we can convert C1 to C2 and return its final value.
Optimize the program in a way that once all pairs are listed you need to convert the currency in constant time.



Round3 - HLD-LLD
deep dive
dealing with ambiguity

Round4 - Hiring Manager
HM
leadership
ownership, earn trust, have backbone disagree & commit





Round 5 - System Design
biased for action




Round 6 Bar Raiser
Coding, PS, 2
cust obbsession, deliver result


Important Preparation/Focus Points
LLD - 3 layers (MVC)
Focus on Extensibilty
In LLD provide abstraction, extensibility and configurability.

HLD
What kind of design are you expecting?
Validate assumptions
Requirements
Gather functional requirements and also non functional requirements (HLD)
Provide acceptable/justification for choices made


Leadership principle
STAR
Where when why

Cust obsession
insist on higher stanadard (14)

earn trust
repeated questions (trust issue)