Amazon Machine Learning Engineer Interview Questions

63+ Amazon Machine Learning Engineer interview questions drawn from real candidate reports. Sources include 1Point3Acres, Blind, Glassdoor, Reddit, and LeetCode. Questions span every stage of the Amazon Machine Learning Engineer loop: OA, phone screen, system design, behavioral, and onsite coding.

What to Expect in the Amazon Machine Learning Engineer Interview

The Amazon Machine Learning Engineer interview process typically runs 4 to 6 rounds depending on seniority level. Based on candidate reports in the LeakCode database, the loop usually includes a resume review, an online assessment or coding phone screen, one or more technical rounds, a system design round (for senior and above), and a behavioral or values round.

Difficulty skews toward medium and hard LeetCode-style problems in the coding rounds. System design questions test breadth (component selection, scaling, trade-off reasoning) more than deep implementation. Behavioral questions are tied to the company's stated values and principles.

Amazon Machine Learning Engineer Questions (Sample)

Nned direction for future prepration.

phone screen 2026 reddit

I’m currently working as a Machine Learning Engineer with \~3 years of experience in a service-based company, and I’m planning to switch to a product-based company (targeting companies like Amazon, Ub

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How to get Amazon/Microsoft internship as a Sophomore (Canada)?

phone screen easy 2026 reddit

Hello everyone, as the title explains, I'm a freshman at Simon Fraser University whose goal is to become an iOS/Mobile Engineer in the States. I've been speaking to a bunch of other Canadian uni stude

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Amazon SDE I Intern OA Cleared but Recruiter Is Aligning Me With ML/AR Teams — Is This Normal?

oa 2026 reddit

Hi everyone, I completed the Amazon SDE Summer 2026 (USA) Internship Online Assessment months ago and just now received an email from a recruiter saying that I successfully cleared the OA. In the emai

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Amazon Machine Learning Engineering Onsite Interview Experience and Feedback

onsite easy 2025 1p3a

This post was last edited by Anonymous on 2025-09-25 12:27 ## Telephone (Interviewer: Senior RS): The first half hour was about projects, similar to system design questions: Why design this product? W

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Amazon Applied Scientist GenAI Interview Experience and Insights

phone screen easy 2025 1p3a

For the applied scientist position in Amazon's GenAI area, the process started with a technical phone screen. After passing that, there were four virtual interviews (VOs): one in ML depth, one in ML b

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Amazon Machine Learning Engineer Contractor Onsite Interview Experience

onsite 2025 1p3a

Phone screen 1: Implement AUC calculation and some follow-up questions, such as underfitting and overfitting. Phone screen 2: LeetCode merging cross intervals, and some questions about MOE (Mean Excha

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Amazon SDE Internship - Seattle (2025)

oa easy 2025 leetcode

MSCS at US University . 2 years of prior experience in AI/Ml. Applied on : Around first week of October Got an OA: Around last week of October ( 2 weeks deadline...

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Amazon Interview Experience | (FTE) On Campus

phone screen easy 2025 gfg

Amazon visited our campus (BIT Mesra) on 10th August 2019 for FTE and a 6-month internship.Process: 1 online coding round, 4 F2F Technical Interviews.Online coding round:(...

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Amazon Applied Scientist interview experience [offer accepted]

recruiter easy 2025 reddit

Hello everyone, I want to provide my experience with **Amazon** **Applied Scientist** interview. I took a lot from this subreddit and similar communities and want to give back. I hope this will help s

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Amazn AS phone screen experience/chances.

phone screen easy 2025 reddit

Had the phone screen for AS today. Where I did well: Classical ML questions: Answered all correctly Leetcode: It was a question I read this morning. Solved it in 5 mins. Was asked to code up brute for

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Amazon SDE-Intern Offer Accepted!

oa easy 2025 reddit

I’m excited to share that I recently received an offer for the Amazon SDE-Intern position. The internship application process this cycle has been brutal but here’s my experience—hope it helps. I appli

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Do you run a personal or home lab?

hard 2025 reddit

I have been to couple of interviews and the interviewer wanted to know whether I have experience on deploying AI/ML models, whether I have used SageMaker etc. Though I know the concepts, not really us

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Amazon | Applied Scientist Intern | India | Dec 2023 [Offer]

oa easy 2024 leetcode

Status: M-Tech CSE student, old IITs Position: Applied scientist intern (6 months) at Amazon Location: Bengaluru (in person) Date: Dec 1st, 2023 (whole process after application took 2-3 weeks) Application: - Applied through ML...

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Amazon | Applied Scientist | India | Feb 2024

behavioral 2024 leetcode

Coding Concepts (1hr): Problem 1: https://leetcode.com/problems/first-missing-positive/description/ **Problem 2: There is a sale coming on Amazon.in, so sellers are preparing their inventory for the sale, all the sellers putting prices of every item they have....

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Amazon Applied Scientist Coding Round

technical 2024 leetcode

You are given the following conversion factors: """ kilogram gram 1000 kilogram pound 2.21 feet inch 12 ... """ Now, given from_unit and to_unit, output the conversion factor and if it isn\'t possible raise an error. Ex:...

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Difficulty Breakdown

33

easy

9

hard

2

medium

Based on 63 questions with difficulty labels from candidate reports.

Interview Rounds

Here is how the Amazon Machine Learning Engineer questions in the LeakCode database break down by interview round, based on what candidates reported:

Round Questions in Database
oa 22
phone screen 18
recruiter 7
behavioral 6
system design 3
onsite 2

Most Common Topics

ml theory (13) system design (5) graph (5) arrays (4) heap (2) hash table (2) dynamic programming (2) ml,system-design,dsa,interview-prep,career (1)

Question Recency

3

2026

9

2025

12

2024

2

2023

Question counts by interview year, based on candidate-reported dates.

How to Prepare for the Amazon Machine Learning Engineer Interview

Use the LeakCode question database as your primary research tool. Filter by role (Machine Learning Engineer), then by round type to focus your prep on the specific stages in your upcoming loop. Sort by recency to see what 2026 candidates actually faced.

  • Start with questions from the last 12 months. Interview processes change and recent data is the strongest signal.
  • Cross-reference questions that appear in multiple sources (1p3a, Blind, Glassdoor). Multi-source confirmation means a question has stronger recurrence probability.
  • For system design rounds: focus on the question patterns, not individual questions. The same design principles recur across many prompts.
  • For behavioral rounds: map your experiences to the company's stated values before the interview. Most behavioral questions at top companies are derivatives of a small set of core leadership competencies.

FAQ

How many Amazon Machine Learning Engineer questions are in the database?

63+ questions from verified candidate reports. The count grows as new reports are scraped daily from 1Point3Acres, Blind, Glassdoor, Reddit, and LeetCode.

Are these questions from real Amazon interviews?

Yes. All questions are sourced from actual candidate interview reports, not generated by AI. Each entry links back to its source URL where available, and questions are tagged with the year and round reported by the candidate.

How current is this data?

LeakCode updates daily. The database is filtered to exclude duplicate and low-quality entries. You can filter by interview year to focus on recent cycles.

Does LeakCode cover Amazon OA questions specifically?

Yes. The database includes online assessment questions tagged with round type. See the Amazon OA page for a dedicated view.

Related: Amazon All Questions · Amazon OA Questions · Browse All Companies · Data Sources