Amazon Interview Questions
Practice 631 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.
"I got asked a hardcore MCM DP question and I saw it on PracHub as well. Solved that question in 5 minutes. Without PracHub I doubt I could solve it in 5 hours. Though somehow didn't get hired, perhaps I guess I solved it too fast? /s"
"Believe me i'm a student here jn US. Recently interviewed for MSFT. They asked me exact question from PracHub. I saw it the night before and ignored it cause why waste time on random sites. I legit wanna go back and redo this whole thing if I had chance. Not saying will work for everyone but there is certainly some merit to that website. And i'm gonna use it in future prep from now on like lc tagged"
"10 years of experience but never worked at a top company. PracHub's senior-level questions helped me break into FAANG at 35. Age is just a number."
"I was skeptical about the 'real questions' claim, so I put it to the test. I searched for the exact question I got grilled on at my last Meta onsite... and it was right there. Word for word."
"Got a Google recruiter call on Monday, interview on Friday. Crammed PracHub for 4 days. Passed every round. This platform is a miracle worker."
"I've used LC, Glassdoor, and random Discords. Nothing comes close to the accuracy here. The questions are actually current — that's what got me. Felt like I had a cheat sheet during the interview."
"The solution quality is insane. It covers approach, edge cases, time complexity, follow-ups. Nothing else comes close."
"Legit the only resource you need. TC went from 180k -> 350k. Just memorize the top 50 for your target company and you're golden."
"PracHub Premium for one month cost me the price of two coffees a week. It landed me a $280K+ starting offer."
"Literally just signed a $600k offer. I only had 2 weeks to prep, so I focused entirely on the company-tagged lists here. If you're targeting L5+, don't overthink it."
"Coaches and bootcamp prep courses cost around $200-300 but PracHub Premium is actually less than a Netflix subscription. And it landed me a $178K offer."
"I honestly don't know how you guys gather so many real interview questions. It's almost scary. I walked into my Amazon loop and recognized 3 out of 4 problems from your database."
"Discovered PracHub 10 days before my interview. By day 5, I stopped being nervous. By interview day, I was actually excited to show what I knew."
"I recently cleared Uber interviews (strong hire in the design round) and all the questions were present in prachub."
"The search is what sold me. I typed in a really niche DP problem I got asked last year and it actually came up, full breakdown and everything. These guys are clearly updating it constantly."
Identify P-Value Limitations and Complementary Approaches
Identify P-Value Limitations and Complementary Approaches A/B Testing: Limits of P-values and Better Decision Practices Scenario Your team is running ...
Explain owning and debugging infra modules
Describe a time you were responsible for a storage/distributed-systems/infra component (or a similarly low-level, reliability-critical module). The in...
Design object model for an elevator system
Design the object-oriented model for an elevator (lift) system in a multi-floor building that may have multiple elevators. The system should support: ...
Design a scalable image-based social network
Design the backend system for a social networking website primarily focused on sharing images (similar in spirit to an image-centric social app). User...
Implement nested object path lookup
Implement a function get(obj, path) for a nested data structure composed only of maps and arrays. Path rules: - . accesses a map key - [i] accesses an...
Delivery Driver Performance Evaluation Framework
Product Analytics Prompt: Fair Delivery Driver Performance Evaluation Amazon currently tracks only two measures per driver: number of packages deliver...
Find recommended friend pairs by shared songs
You work on a music app and want to recommend “friend” connections based on listening similarity. Assume the following tables (all timestamps are in U...
Approach an ambiguous business problem
In a science-application interview, you are given a business problem that is intentionally vague. The interviewer wants to see how you handle ambiguit...
Implement Interview Coding Problems
Solve the following independent coding tasks from a new-grad software engineering interview. 1. Implement a hash map from scratch. - Support integer k...
Compute reachability and minimal-time same-type scheduling
1) Given four integers a, b, c, d (1 <= a, b, c, d <= 1000), you may perform the following operations any number of times and in any order: (a, b) -> ...
Search target in unknown-length sorted array
You have read-only access to a sorted, increasing array-like interface of unknown length that supports get(i), which returns a valid integer for in-bo...
Explain XGBoost Parallelism Strategies
Explain How XGBoost Parallelizes Training Scope Describe how XGBoost achieves parallelism: 1. Within a single machine - Histogram-based split findi...
Compute product excluding index without division
Given an integer array nums, return an array ans where ans[i] equals the product of all elements of nums except nums[i], without using division. Achie...
Describe a recent innovation you delivered
Behavioral question: “Tell me about a recent innovation you delivered.” Include: - What problem/opportunity you identified - What was novel about your...
Explain LLM fundamentals and trade-offs
Explain LLM fundamentals and trade-offs LLM Fundamentals — Onsite Interview Task Context: Assume a modern transformer-based LLM. Provide precise, conc...
Explain core ML concepts and diagnostics
You are in an ML breadth interview for a Senior Applied Scientist role. Answer the following conceptual questions clearly and practically (definitions...
Evaluate Soft Skills Through Behavioral Interview Questions
Behavioral and Leadership Interview: Soft Skills You are interviewing for a Data Scientist role in an onsite Behavioral and Leadership round. Prepare ...
Choose Effective Graphs for Data Exploration
Exploratory Data Visualization: Choosing the Right Charts You are performing exploratory data analysis on a dataset with a mix of categorical and nume...
Find concatenated words in list
Question LeetCode 472. Concatenated Words – Given an array of strings words, return all words that are concatenations of at least two shorter words al...
Describe Your Professional Journey and Leadership Experiences
Describe Your Professional Journey and Leadership Experiences Behavioral & Leadership Interview Prompt (Data Scientist — Technical Phone Screen) Scena...