Bloomberg Senior Developer interview questions

1. recruiter call 2. a coding screen for 1 hr, two questions (leetcode #3 and vertical scan a binary tree from left to right) 3. a coding screen and a system design screen, both are 1 hr long, the system design screen is to build a stock price alert system, ask many questions about scalability etc

First round is 60 mins coding. Was asked a stack based Algo and a backtracking question. Second round is coding again. Was asked an intervals based question and another nested hashmap question.