Cracking the Amazon SDE Intern Interview in 2025

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A 2025 Amazon SDE internship is a top goal for tech enthusiasts. But the tough interview process requires solid preparation, strong technical skills, and a great cultural fit. This guide helps you navigate every step.

Amazon SDE Intern Interview

Interview Process

  1. Application: Submit your resume on Amazon's careers portal, highlighting relevant projects and leadership experiences.
  2. Online Assessments:
    • Basic coding test (arrays, strings)
    • Advanced algorithm test (graphs, DP)
  3. Technical Interviews:
    • Coding challenges on a whiteboard or shared editor.
    • Possible system design discussion.
  4. Behavioral Interviews: Evaluate fit with Amazon's Leadership Principles through real-world examples.

Key Coding Questions

1. LRU Cache (Hard)

Design a data structure with Get(key) And put(key,value) In O(1) Evict the least recently used entry when capacity is exceeded.

Concepts. HashMap with Doubly Linked List

2. Word Ladder II (Hard)

Find all shortest transformation sequences from beginWord To endWord, changing one letter at a time, using only words in the dictionary.

Concepts. Bidirectional BFS, backtracking

3. Insert/Delete/GetRandom O(1) (Medium-Hard)

Support insert(val), remove(val), and getRandom() each in O(1) time.

Concepts. HashMap + Dynamic Array

Need Help?

Programhelp Our team includes alumni of Oxford, Princeton, Peking University, and engineers from Amazon, Alibaba, and ByteDance. We offer.

  • OA ghostwriting & VO (voice relay) support
  • Live interview assistance and impersonation
  • Behavioral coaching and resume optimization

Contact us for personalized interview prep and real-world solutions!

author avatar
Alex Ma Staff Software Engineer
Currently working at Google, with more than 10 years of development experience, currently serving as Senior Solution Architect. He has a bachelor's degree in computer science from Peking University and is good at various algorithms, Java, C++ and other programming languages. While in school, he participated in many competitions such as ACM and Tianchi Big Data, and owned a number of top papers and patents.
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