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Amazon Senior Software Engineer Interview Questions

6 real practice questions for the senior-level Senior Software Engineer role at Amazon (Technology), spanning behavioral, technical, system design, and leadership. Lead technical projects and mentor junior engineers. The first 3 questions below include what Amazon interviewers actually listen for, plus likely follow-ups.

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Questions
6
Categories
Behavioral (2), Technical (2), System Design (1), Leadership (1)
Difficulty mix
1 medium · 5 hard
Avg. answer time
~4 min

Behavioral Questions (2)

  1. 1.Tell me about a time when you had to deliver a project with significant technical debt. How did you balance shipping vs quality?

    hard~3 min

    What interviewers look for

    • Shows understanding of business vs technical trade-offs
    • Demonstrates ownership of the decision
    • Had a plan to address technical debt later
    • Communicated trade-offs to stakeholders
    • Reflects on the long-term impact

    Likely follow-ups

    • Did you ever go back to address the technical debt?
    • How did you prioritize which debt to address first?

    Company context

    At Amazon, we Deliver Results. Leaders focus on key inputs and deliver with the right quality and in a timely fashion.

  2. 2.Describe a situation where you disagreed with your manager or a senior leader. How did you handle it?

    hard~3 min

    What interviewers look for

    • Shows respectful disagreement with data/evidence
    • Demonstrates Have Backbone; Disagree and Commit
    • Committed fully once decision was made
    • Maintained positive working relationship
    • Shows intellectual humility if proven wrong

    Likely follow-ups

    • What was the outcome?
    • Would you handle it differently now?

    Company context

    At Amazon, leaders Have Backbone; Disagree and Commit. They respectfully challenge decisions when they disagree.

Technical Questions (2)

  1. 3.How would you design a recommendation system for an e-commerce platform?

    hard~4 min

    What interviewers look for

    • Discusses collaborative filtering and content-based approaches
    • Addresses cold start problem for new users/items
    • Considers real-time vs batch processing trade-offs
    • Mentions A/B testing for recommendation quality
    • Discusses personalization and diversity in recommendations

    Likely follow-ups

    • How would you measure the success of your recommendations?
    • How would you handle items that are trending right now?

  2. 4.Explain how you would implement a distributed locking mechanism for a microservices architecture.

    hard~3 min

System Design Questions (1)

  1. 5.Design a distributed system for processing millions of orders per day with high availability.

    hard~5 min

Leadership Questions (1)

  1. 6.Tell me about a time you mentored a junior engineer. How did you help them grow?

    medium~3 min

More Amazon interview questions