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HomeSoftware DevelopmentAmazon Interview Expertise for SDE-1 (Off-Campus) 2022

Amazon Interview Expertise for SDE-1 (Off-Campus) 2022


On-line Evaluation (Jan 26, 2022): There have been two coding questions. The primary one was based mostly on a prefix-sum and the second was based mostly on sorting. Each questions had been of easy-medium degree. I used to be capable of remedy each of them utterly. After that, interviews had been scheduled.

Technical Spherical – 1 (Feb 15, 2022): The interviewer was SDE – 2 on Amazon. He began with a fast introduction and tried to create a pleasant surroundings to make me snug. After that, he requested me to open a stay code hyperlink. It was a textual content editor however the code couldn’t be compiled, we simply needed to clarify the logic by writing production-ready code. He pasted a query on the textual content editor and in addition defined that to me. It was based mostly on a hashmap and was of medium degree. I defined my method to him. He requested me to examine for sure edge circumstances for which I modified my method and after that, he requested me to jot down code for it. Then he checked my code and moved on to the second query which was.

  • https://leetcode.com/issues/sequential-digits/

I requested numerous clarifying questions and he defined these nicely. After pondering for a while, I gave him the BFS method for which he requested me to jot down the code. The interview ended on a great word.

Technical Spherical – 2 (Feb 17, 2022): The interviewer was a Senior Software program Engineer at Amazon. He first requested for an introduction adopted by questions on tasks and management rules. He then gave a single query:

He didn’t write the precise drawback as a substitute I needed to ask clarifying inquiries to make the issue clear. I initially gave the DFS method for which he requested to jot down full and production-ready code. After that, he requested for time complexity and numerous questions on how the code will work. He briefly requested concerning the working and time complexity of the set because it was being utilized in part of the code. Later, he requested for Trie based mostly answer.

Bar-Raiser Spherical (March 4, 2022): The interviewer was SDE-3. She requested for an introduction after which straight jumped into the primary query which was:

  • https://leetcode.com/issues/find-median-from-data-stream/

We now have to seek out the median of the stream after each incoming quantity. Firstly, I gave a brute-force answer utilizing sorting, for which she requested to optimize additional. Then I gave the answer utilizing heaps and wrote the code and she or he moved on to the second query which was:

Equally, this query additionally firstly gave the brute-force answer after which optimized it, and at last gave the stack-based query. For most people, within the Bar-Raiser spherical, just one DSA query is requested and the remainder of the time is for management rules and project-based questions.

Verdict (March 9, 2022): I received the decision from HR informing me that I used to be chosen.

Issues to recollect:

  • Observe customary issues from GFG and Leetcode.
  • At all times write clear code within the interview with correct variable names and indentation.
  • Suppose out loud throughout the interview.
  • Use the STAR methodology to reply behavioral questions.
  • Undergo your tasks earlier than the interview, as they’ll ask something associated to these.
  • Pay attention to the implementation of widespread Knowledge Buildings like units, maps, trie, and so forth.
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