Qualification : 4y experiance , worked in big tech

there were 4 rounds in total

• Hackerearth test
• Low level design + problem solving
• HLD(HM round)
• Bar raiser round

Hackerearth test ( LFU cache, 2 other prob you can find on some leetcode post)
LLD - Design cricbuzz , one DSA remove all given sentance remove all the list of pharases from the sentence sentence = " i have apple" pharses = { [have apple] , [you have] }

Bar raiser - 2 DSA 1. sort 100 petabytes of data with 2 gb ram
2 . desgin the data structutee with O(1) insert delete random ( leetcode 380. Insert Delete GetRandom O(1)
)

verdict : reject , didnt perform well in bar raiser , didnt receive detail feedback.