Amazon Interview Experience for SDE2 | 3+ years Experienced Last Updated : 25 Nov, 2019 Improve Improve Like Article Like Save Share Report Location: Hyderabad Round 1(Project discussion): Discussion about my best project and some questions on indexes. Round 2 (Design): Design lift Gave me a sample code in c++(first they ask the language you are comfortable with, mine was c++), and asked me to review it. Discussion on some projects Round 3 (Design): Design notification system (SMS, email and push) – HLD questions on message queues max number of 1s in sorted m x n 0, 1 matrix Round 4 (Design): Design pacman game (showed the youtube video) – LLD HLD of the same game Round 5 (DS and Algo): Minimum number of operations to make a string balanced. All characters are in [A-Z] and the string is balanced when the frequency of all the characters in the string is same. The only operation that we can do is replace a character with any other character(and only replacement is allowed) Incoming stream of characters, at every point in the stream, return the first non repeating character Like Article Suggest improvement Previous Amazon Interview Experience 1.5 years Experienced Next OYO Rooms Interview Experience | SDE-2 Share your thoughts in the comments Add Your Comment Please Login to comment...