Amazon SDE-1 Interview Experience | 2025 | Offer

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SDE-1
July 3, 20257 reads

Summary

I applied to Amazon as an SDE-1 via referral in Mid-April 2025, completed the online assessment, and successfully navigated three rounds of technical and behavioral interviews, ultimately receiving an offer.

Full Experience

Hi,

I wanted to share my Amazon SDE-1 interview experience, hoping it helps those preparing for their upcoming interviews.


Application

Applied via: Referral

Applied in: Mid-April 2025

Got OA: Within 2 days


Online Assessment

The OA consisted of:

  1. 2 DSA questions
  2. Amazon Workstyle Assessment
  3. Work Simulation
  4. Leadership Principles based MCQs

Round 1 – Technical Interview

Mode: Virtual

Panel: Two interviewers


  • Started with 2 Leadership Principle questions.

DSA Questions:

  1. Similar to Rotten Oranges (LeetCode) but tweaked heavily with a big story-based setup.
  2. Diagonal Traversal of a Binary Tree, with multiple follow-ups testing deeper understanding.

Got a call the next working day that my next round is in the same week.


Round 2 – Technical Interview

Mode: Virtual

Panel: Two interviewers


  • Started with 2 Leadership Principle questions.

DSA Question:

  • Similar to Course Schedule and Course Schedule II problems but with many follow-ups testing corner cases and constraints.

LLD Question:

  • Problem hinted at using a design pattern. I discussed and implemented it using the Decorator Pattern, which seemed to make the interviewer happy.

Received an email after 10 days that Round 3 (Bar Raiser) was scheduled around June end.


Round 3 – Bar Raiser

Mode: Virtual

Panel: Two interviewers


This round was purely Leadership Principle and scenario-based questions with extensive follow-ups to every answer.

They tested situations from all 16 Amazon LPs, so being well-prepared with structured STAR responses is crucial here.


Got very positive feedback in this round.


Result

After 5 working days, I received the offer from Amazon for SDE-1.


Please upvote if this helps. :)

Interview Questions (4)

Q1
Rotten Oranges (Tweaked)
Data Structures & Algorithms

Similar to Rotten Oranges (LeetCode) but tweaked heavily with a big story-based setup.

Q2
Diagonal Traversal of a Binary Tree
Data Structures & Algorithms

Diagonal Traversal of a Binary Tree, with multiple follow-ups testing deeper understanding.

Q3
Course Schedule (Tweaked)
Data Structures & Algorithms

Similar to Course Schedule and Course Schedule II problems but with many follow-ups testing corner cases and constraints.

Q4
Design using Decorator Pattern
System Design

Problem hinted at using a design pattern. I discussed and implemented it using the Decorator Pattern, which seemed to make the interviewer happy.

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