I applied online. The process took 3 weeks. I interviewed at Amazon (Vancouver, BC) in Mar 2022
Interview
Two OA + 1 Final Round Zoom Interview
OA1: Two easy/medium leetcode questions to be solved in 70 minutes.
OA2: Workplace simulation primarily with multiple choice and some debugging multiple choice questions. Focus on aligning to LPs.
Final Round Interview: 45 minutes - 15 min behavioral with focus on LP and 30 mins coding.
Interview questions [1]
Question 1
OA1 questions can be found online. It's random.
Final round interview questions can be varied and found online (Leetcode premium, etc.) however I did not get one found on the list and it stumped me. I had to implement a Sandbox class for a hypothetical AWS Lambda team, coding the constructor, add, and put functions based on various criteria. The question was most similar to implement LRU cache.
Standard LC mediums, nothing too crazy. Interviewer was pretty chill and was helpful in pointing me in the right direction when I needed as well. Only thing I would probably change was to study more on graph problems before hand.
Interview questions [1]
Question 1
You are given an 0-indexed integer array weights, where weights[i] represents the weight of the i-th marble, and an integer k.
Your task is to divide the marbles into k bags such that:
No bag is empty.
Each bag must contain marbles from a contiguous range of indices. That is, if a bag includes marbles at indices i and j, then all marbles with indices between i and j (inclusive) must also be included in that same bag.
The cost of a bag that includes marbles from index i to j (inclusive) is defined as weights[i] + weights[j].
The total score of a distribution is the sum of the costs of all k bags.
Return the difference between the maximum and minimum possible scores among all valid distributions.
Applied online and received an Online Assessment. It consisted of two LeetCode-style coding problems with a time limit . The process was straightforward and fully automated with no human interaction at this stage.
Interview questions [1]
Question 1
Solve a coding problem involving array manipulation under a timed online assessment
There were 2 rounds- one DSA round and one HR round.
In the first round they asked me a DP + trees question which was of medium to hard difficulty.
In the second round the interviewer asked me about my resume, my projects, some computer fundamental questions.
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