Amazon Software Engineer Interview Questions

Amazon Software Engineer interview questions typically assess both algorithmic craftsmanship and fit with Amazon’s culture. What’s distinctive is the dual emphasis: expect intense coding and problem-solving rounds (data structures, algorithms, complexity and correct edge-case handling), a system-design evaluation for more senior roles, and behavioral deep-dives tied to Amazon’s Leadership Principles. The interview loop often includes an online assessment or phone screen, followed by a multi-interviewer loop that features a Bar Raiser whose role is to ensure high hiring standards. Clear communication, tradeoff reasoning, and testable, clean code are repeatedly evaluated. For interview preparation, focus on three threads: timed coding practice on medium-to-hard problems with careful explanation of complexity and edge cases; concise STAR-format behavioral stories that map directly to Leadership Principles and show impact; and system-design sketches for senior levels that justify choices around scalability, availability, and cost. Run mock interviews to practice speaking clearly, articulate tradeoffs, and rehearse writing and testing code under time pressure. Recruiters will guide scheduling, but sustained, focused practice gives the best chance to demonstrate both technical depth and cultural fit.

362 Questions 1 Company08.11.2026
Showing 20 results
Role
Amazon logo
Amazon
Hard
Software Engineer Locked

Prepare Leadership Principle Stories

This question evaluates leadership, ownership, decision-making, communication, and problem-solving competencies through concrete first-person project ...

Behavioral & Leadership
16
0
301 people solved
May 11, 2026
Amazon logo
Amazon
Medium
Software EngineerNew Grad

Solve tree and DP problems

This coding round contained two algorithm questions: 1. Deepest shared ancestor in a binary tree You are given the root of a binary tree and two ...

Coding & Algorithms
38
0
266 people solved
Oct 24, 2025
Amazon logo
Amazon
Hard
Software Engineer

Design an intersection traffic-light system

System Design: Traffic-Light Control for a Multi-Road Intersection Context Design the software and systems for controlling a signalized, multi-approac...

System Design
21
0
330 people solved
Sep 6, 2025
Amazon logo
Amazon
Hard
Software Engineer Locked

Design a Core Dump Collection and Analysis System

Prepare for a Amazon system design interview about design a core dump collection and analysis system. This question focuses on requirements, architect...

System Design
3
0
41 people solved
Jun 4, 2026
Amazon logo
Amazon
Medium
Software Engineer

Design a Ride-Hailing Matching System

Design a ride-hailing matching system similar to a taxi or rideshare application (e.g. Uber, Lyft, DiDi). The interview focuses on the driver-location...

System Design
17
0
132 people solved
Apr 9, 2026
Amazon logo
Amazon
Hard
Software EngineerIntern

Return all valid word-break sentences

Given a string s and a dictionary of strings wordDict, insert spaces into s to form a sentence such that every token is in wordDict. Return all possib...

Coding & Algorithms
11
0
203 people solved
Jan 15, 2026
Amazon logo
Amazon
Medium
Software Engineer

Design a Multi-Provider Financial Dashboard

Design a financial dashboard that shows account balances, stock holdings, cryptocurrency holdings, and derived portfolio metrics. Data arrives from mu...

System Design
1
0
20 people solved
Feb 2, 2026
Amazon logo
Amazon
Medium
Software EngineerNew Grad

Design a pizza ordering system

Design the core object-oriented model for a pizza ordering system used by a small restaurant. The system should allow customers to: - browse a menu of...

Software Engineering Fundamentals
9
0
160 people solved
Oct 24, 2025
Amazon logo
Amazon
Hard
Software Engineer

Design a URL shortening platform

Design a Scalable URL Shortening Platform Context Build a Bitly-like URL shortener that maps long URLs to short codes and performs HTTP redirection re...

System Design
12
0
132 people solved
Sep 6, 2025
Amazon logo
Amazon
Medium
Software Engineer

Implement a Single-Node Priority Pub/Sub

Implement a simplified in-memory publish-subscribe system that runs on a single machine. The system should support users subscribing to topics with a ...

Software Engineering Fundamentals
3
0
65 people solved
Apr 9, 2026
Amazon logo
Amazon
Easy
Software Engineer Locked

Describe Delivering Under a Tight Deadline

This question evaluates ownership, judgment, prioritization, and the ability to deliver results under time pressure, including how the candidate balan...

Behavioral & Leadership
19
1
293 people solved
May 2, 2026
Amazon logo
Amazon
Medium
Software EngineerSenior+ Locked

Explain Why You Are Considering a Job Change

Shape a concise, truthful answer to why you are considering a job change. Connect a durable motivation and one concrete fact from your current experie...

Behavioral & Leadership
0
0
8 people solved
May 29, 2026
Amazon logo
Amazon
Hard
Software Engineer

Design delayed job scheduler (LLD)

Design a Delayed Job Scheduler (Low-Level Design) Design a service that schedules a job to execute X seconds in the future with second-level accuracy....

System Design
33
0
454 people solved
Aug 7, 2025
Amazon logo
Amazon
Medium
Software Engineer

Minimum Path Length Through a Grid With One Allowed Cell Conversion

You are given an m x n grid grid where every cell holds either 1 (an open cell you may stand on) or 0 (a blocked cell). You start at the top-left cell...

Coding & Algorithms
1
0
16 people solved
Jun 30, 2026
Amazon logo
Amazon
Hard
Software EngineerSenior+

Design an Offline Multi-Device E-Book Reader

Design an Offline Multi-Device E-Book Reader Design an e-book reader service with APIs, database schema, and overall architecture. A user may read off...

System Design
0
0
16 people solved
Jan 1, 2026
Amazon logo
Amazon
Hard
Software Engineer Locked

Design a High-Availability Load Balancer

This question evaluates knowledge of distributed systems and load balancing principles, covering high-availability architecture for HTTP/HTTPS traffic...

System Design
19
0
185 people solved
May 9, 2026
Amazon logo
Amazon
Medium
Software Engineer

Solve Nearby Inventory and Word Segmentation Tasks

Two Algorithmic Tasks Implement both parts. They are independent and should have separate functions. Part A - Nearby Centers with Inventory An undirec...

Coding & Algorithms
1
0
15 people solved
Feb 2, 2026
Amazon logo
Amazon
Hard
Software Engineer AI

Diagnose Return Eligibility Scoring Bugs

You are working on an e-commerce return-eligibility service. For each return request, the service computes a risk score using signals such as: - how m...

Software Engineering Fundamentals
3
0
65 people solved
Jan 12, 2026
Amazon logo
Amazon
Medium
Software EngineerSenior+ Locked

Design multi-tenant ingestion and processing platform

This question evaluates a candidate's ability to architect scalable, multi-tenant data ingestion and processing platforms, assessing competencies in t...

System Design
19
0
166 people solved
Jan 6, 2026
Amazon logo
Amazon
Medium
Software EngineerNew Grad

Answer common leadership prompts

Prepare strong STAR-style answers for the following behavioral prompts from the interview: - Describe an important project you delivered under a tight...

Behavioral & Leadership
6
0
96 people solved
Oct 24, 2025
Editorial prep
Amazon Software Engineer Interview Prep
Concept walkthroughs, worked examples, and the real questions.

Frequently Asked Questions

How difficult are Amazon Software Engineer interview questions?
The difficulty of Amazon Software Engineer interview questions varies by level and team but is generally rigorous. For entry-level SDE roles expect medium-to-hard algorithm and data-structure problems under time pressure, while more senior roles include complex system-design and architecture discussions that probe tradeoffs and scalability. Interviewers evaluate not just correct solutions but clarity of thought, communication, and how you justify design choices; behavioral evaluation against Amazon’s Leadership Principles also influences outcomes. Preparation that improves problem selection, complexity analysis, and spoken explanation will materially raise your chances of success.
What is the typical interview process for an Amazon Software Engineer, and where do coding, design, and behavioral questions appear?
Amazon’s Software Engineer hiring loop commonly begins with a recruiter screen, may include an online coding assessment, followed by one or more technical phone screens and an onsite (or virtual) interview loop of multiple interviews. Coding questions typically appear in the online assessment and technical phone/on-site algorithm rounds, design questions appear in object-oriented design or system-design interviews (more for senior levels), and behavioral questions tied to Amazon’s Leadership Principles are asked in nearly every loop, often including a Bar Raiser who evaluates long-term fit. Timing and format can vary by team.
How much time should I plan for interview preparation for Amazon Software Engineer roles?
Preparation time depends on your baseline skills and the role level, but a focused plan typically spans four to eight weeks for most candidates. Beginners should allocate time to master fundamentals in data structures, algorithms, and Big-O analysis while practicing timed coding problems and mock interviews; mid-level candidates should add system-design and architecture practice; senior candidates need deeper design, distributed systems, and leadership-story preparation. Regular timed practice, review of common patterns, and rehearsing STAR-format behavioral examples will improve performance more than ad-hoc study. Use the recruiter’s guidance to tailor your timeline.
What key subtopics should I focus on for Amazon Software Engineer interview questions?
Focus on core computer-science fundamentals first: arrays, strings, linked lists, trees, graphs, heaps, hash tables, and common algorithms for searching, sorting, traversals, and dynamic programming, with comfortable Big-O reasoning. For mid-to-senior roles add object-oriented design, system design, databases, networking basics, and distributed-systems tradeoffs including caching, consistency, and scalability. Don’t neglect coding hygiene, testing, and clear communication. Behavioral preparation should map examples to Amazon’s Leadership Principles, demonstrating ownership, bias for action, and customer obsession. Prioritize depth in areas most relevant to the role you applied for.
What are standout tips and common pitfalls when preparing for Amazon Software Engineer interviews?
Standout tips include clearly communicating your approach before coding, writing correct and readable code with edge-case checks, iterating from a simple solution to optimizations, and tying behavioral stories to concrete outcomes aligned with Amazon’s Leadership Principles. Use mock interviews to practice pacing and explanation. Common pitfalls are diving into code without outlining the plan, ignoring complexity tradeoffs, failing to test examples or handle edge cases, and giving vague behavioral answers. Be honest about unknowns and show how you would learn or validate assumptions; recruiters value candid problem-solving processes.

Explore more Amazon Software Engineer interview questions

Real questions from candidate reports, grouped by topic, role and company.

By category
Other roles at Amazon
Software Engineer questions at other companies
Browse all