Expedia SWE new-grad — SQL, OOD, Java, serialize/deserialize; reject

My Interview Experience:

Goldman sachs (Assosiate role): Reject
Phone screen 1:

1. Print the first repeating character in the string
2. Given the name of the student and list of marks,find the student with highest average score

Phone screen 2:
1)How to find the cycle in the graph
2)Find the kth element from the last in the linked list

Onsite:

Round 1:
Design HashMap and question regarding the n-ary array
Round 2:
1)Find the position of the roatated sorted array

2. Find the maximum depth of the tree
   Round 3:
   Questions regarding testing(I screwed this up because i don't have much experience)
   Round 4:
   Discussion regarding the machine learning projects I have done and in depth questions regarding the machine learning .

Reason:
I felt I did very bad in testing round and Im not able to answer those questions as I dont have much experience

I really had a bad experience with goldman sachs , they scheduled for the interview but when i went there none of them know that I have an interview scheduled on that day and the whole interview process is frustrating. They took 4-5 months to complete whole process

Amazon(SDE 1): (Reject)
Phone Screen :
Given an array, print the Next Greater Element (NGE) for every element.
LP of amazon

Onsite:
Round 1: merge k sorted iterators and LP questions
Round 2 : Design LRU cahce and LP questions
Round 3 : System Design question
Round 4: Find the number of pixels same as island count problem in the leetcode ,
follow up find the maximum area of the pixels and perimeter of the pixel.

Reason :
Lack of experience and I did bad in system design and In round 3 the interviewer thought I have 2 years of experience which i dont and so he might have planned for system design.

Expedia : ( Reject)

Round 1:
Questions on sql queries
Round 2:
culture fit questions
Round 3:
conversation with the director
Round 4:
Big data related questions and ood design and java conceptual questions
Round 4:
serialize and deserialize the binary tree and house robbery questions in leetcode

Reason:
I did bad in big data related questions in round 4 and I felt expedia should choose their interviewers properly, I felt the interviewer who took my interview is very rude and dont know how to handle the interview instead of concentrating on my algorithm she started pointing out the syntax all she wanted is to prove me wrong in every way she can.The worst experience among all

Intuit (New Grad):

Round 1:
Online coding round for 1 and half hour
Round 2:
Interview with karat round
Given a tree find the lists of parents who has exactly 1 parent and zero parents
LCA question
Round 3:
Question related to the queue

Amazon (New Grad):
Done with three rounds waiting for the final round to be scheduled.

Oracle IC2: (Offer)
phone screeen : implementation of the stack with out inbuilt methods
Oniste:
Round 1: Merge intervals
Round 2 : Tree question and design an alogorithm to find angle between the hour and minute clock
Round 3 : Culture fit questions and OCI core values