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Amazon Interview Experience for SDE-1 | Off-Campus 2020

  • Difficulty Level : Easy
  • Last Updated : 23 Dec, 2020

A recruiter contacted me through email if I was interested in applying for the SDE-1 role, I sent my resume and waited for further notice. I received an email to take up a Hackerrank Test within a week.

Online Coding Test: Coding challenge (2 scenarios) and Coding approach (elaborate why you code the way you do) – 105 minutes: One question based on Two-pointer approach with extra use of hashmap, on was simple iteration with finding min in every loop. ( Tip: Solve all coding questions from interview experiences of GFG and LeetCode.)

  1. Workstyle survey 15 minutes: Remember the answers you choose, questions do get repeated
  2. Feedback survey 5 minutes: The Toughest of all (PS: Just Kidding!)

Technical round 1:

Preparation: Watched a lot of DP youtube videos, solved questions from Amazon Interview Experiences in GFG.

  1. 2 Coding questions:
    • Easy Graph application problem, Optimise it using DP, further optimise space by removing unnecessary data.
    • Easy Data Structures problem using hashmap and a counter.

Tip: Use sensible variable names, talk it out aloud. Modularise code into functions if needed.

Technical round 2:

Preparation: Watched a lot of Mock interview YouTube videos of FAANG companies, solved questions from Amazon Interview Experiences in LeetCode.

  1. 2 Coding questions:
    • Find the kth the smallest element in an array.
    • Binary Search tree problem(GFG medium level)
  2. 2 Behavioural Questions

Tip: Give as many approaches as possible, explaining which do you prefer and why.

Technical round 3:

Preparation: Nothing Much

  1. 1 Coding question: LRU Cache Implementation
  2. 3-4 Behavioural Questions on Amazon’s LP: Google It!

Technical round 4 (Hiring Manager Round):

  1. 1 Coding question: Implement Hashmap with a function that returns the order of insertion of <key, value> pairs into it.
  2. 3-4 Behavioural Questions on Amazon’s LP
  3. Few Basic Questions on OS, DBMS

Result: Selected 😉

My Personal Notes arrow_drop_up
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