Signed NDA so cannot disclose anything
Software Developer Ii Interview Questions
6,461 software developer ii interview questions shared by candidates
Design Dashboard System
Signed NDA, but they tell you what you prepare for -- Amazon Leadership Principles and Data Structures / Algorithms CS coding type questions
The most difficult question was to find the maximum contiguous subsequence in a bar chart. I was able to find a solution in O(N^3) which is basically the brute force method The idea is that given a bar chart with peaks and valley's, you should find the subsequence X which gives you the maximum area underneath the chart. For the life of me I couldn't think of the answer at the time, , I had a hard time visualizing it, however it's a classical computer science problem called "the maximum sum contiguous subsequence problem."
The best way to prepare is to go to topcoder and practice a bunch of the questions there. They asked a question about infrastructure. They had me describe my companies infrastructure, and then grilled me on how to adapt it to AWS. Make sure you have at least some knowledge of all of AWS's systems.
Provide two algorithms: one to serialize a binary tree, the other to deserialize it.
I thought the amazon interview bar has gone down drastically. For an SDE 2 position, you expect more than CS 101 questions.
Can't tell the exact questions due to NDA. However, questions were based on data structures, sorting algorithms, object oriented design.
Have two discus sion with the interviewer. Mainly about how you design the code and how you resolve the problem
The coding question.
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