Product Company · Amazon SDE-1 / SDE Intern

Amazon Interview Questions for Freshers

Top product recruiter. The bar is high on DSA and system fundamentals, and every round is mapped to Amazon's Leadership Principles.

Eligibility

No strict cutoff; strong DSA and problem-solving required.

Amazon hiring process

  1. 1Online Assessment

    2 DSA problems + work-style survey + work-simulation + debugging.

  2. 2Technical Interviews (2–3)

    Medium–hard DSA (trees, graphs, DP), complexity analysis, and design for senior interns.

  3. 3Bar Raiser

    Deep behavioural round on Leadership Principles using the STAR format.

Topics to prepare

Arrays & StringsTrees & GraphsDynamic ProgrammingRecursion & BacktrackingTime/Space ComplexityLeadership Principles

Sample Amazon interview questions

DSA

  • Q. Find the number of islands in a 2D grid (BFS/DFS).
  • Q. Given an array, find the longest substring without repeating characters.
  • Q. Implement an LRU cache.
  • Q. Find the kth largest element in an array.

System / CS

  • Q. How would you design a URL shortener at a high level?
  • Q. Explain the difference between processes and threads.
  • Q. What is a hash collision and how is it handled?

Behavioural

  • Q. Tell me about a time you took ownership of a problem (Ownership).
  • Q. Describe a time you disagreed with a teammate (Have Backbone; Disagree and Commit).
  • Q. Give an example of delivering results under a tight deadline (Deliver Results).

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