Poshmark Interview Question

Online Coding Contest on Hackerrank: simple array question to solve in O(n) time and O(1) space 1 question on Binary Tree( medium level) Interview 1: 1.basic array Coding question 2.Coding question on Linked List Theory - OLTP vs OLAP Hadoop vs AWS S3 storage Question on spark(medium level) Interview 2: The interviewer asked me to solve Scenario based question on which he was currently working :P Didn't able to and this properly as many doubtful cases coming into the picture coding question on array(minimize to 1 for-loop, I did it with 2) very simple SQL query( solved with AVG() func) Interview 3: Coding Question on String(simple) coding question on Kadane's Algo questions on mongodb(basics) question on oops(basics) Interview 4(with Manager): 1.coding question on 2D array(medium level) 2.Advance Sql Ques Interview 5(with Head): General Discussion Call with HR : Salary discussion and perks