Amazon Coding & Algorithms Interview Questions
Practice 600 real Amazon interview questions for 2026. Covers all top categories — Coding & Algorithms, Behavioral & Leadership, Machine Learning, Data Manipulation (SQL/Python), and System Design — across Software Engineer, Data Scientist, Machine Learning Engineer, Product Manager, and Business Intelligence Engineer roles. Real Amazon interview questions from actual interviews with detailed solutions; use this collection for interview preparation that emphasizes shipping at scale, measurable impact, and the company’s Leadership Principles. Expect coding-heavy assessments for Software Engineer candidates: frequent tree and dynamic-programming problems, two-array optimization patterns, nested object/path lookups, and system-design prompts that mirror product flows (online Minesweeper, pizza-ordering, credit-card and shipping/cost systems), plus leadership and collaboration behavioral prompts. Data Scientist rounds concentrate on experimentation and metrics (A/B design, hand p-values, D7 retention SQL), RAG/recommender evaluation, and product-impact analyses. ML Engineer questions focus on production model design, LLM/agent concepts, reliability (cold start, training stability, online vs offline gaps), and large-scale detection pipelines. PM interviews stress customer-obsessed stories, ambiguity, Alexa product launches, and domain-specific data pipelines. Prepare with timed coding practice, end-to-end experiment writeups, STAR stories framed to Leadership Principles, and mock system-design sessions.

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Design an operations dashboard with justifications
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Demonstrate ownership and communication under pressure
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Apply Double ML with text-address features
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Implement inventory allocation with backorders
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Design a scalable parking lot system
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Brainstorm a business problem approach
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Explain P-value, Confidence Interval, and Multiple Testing Adjustments
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How would you analyze and test a price increase?
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Describe a challenging project
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Maximize total bandwidth of data channel pairs
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Launching Alexa in a New-Language Market
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Kindle Launch: Date vs. Scope Trade-Off
Product Decision: Kindle Black Friday Launch vs. Scope Context You manage a new Kindle with eight planned features (5 software, 3 hardware). The proje...
Amazon Behavioral & Leadership Scenarios
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Behavioral: Ambiguity & Conflict Resolution
Behavioral Questions — Ambiguity and Conflict (STAR) Context You are interviewing for a Product Manager phone screen at a large, customer-obsessed, da...
Amazon Leadership Principles Behavioral Scenarios
Behavioral STAR Stories (PM Onsite) Prepare concise STAR stories for the following situations. Keep each story succinct and explicitly connect it to r...
Solve Shipping and Bundle-Cost Problems
Implement both of the following algorithmic problems. Problem 1: Minimum daily shipping capacity You are given an array weights of positive integers. ...
Place items into earliest fitting bins
You are given k items with sizes items[0..k-1] and n bins with initial capacities caps[0..n-1]. Process items in order; for each size x, place it into...
Share examples of impact and simplicity
Behavioral prompt: Exceeding customer expectations and simplifying complex problems Context You are in a software engineering technical screen. Provid...