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
Medium
Software Engineer

Solve server updates and grid inconvenience minimization

1) You are given an integer array server of length n, where server[i] is the number of requests the i-th server can process. Over multiple days, you r...

Coding & Algorithms
5
0
78 people solved
Sep 6, 2025
Amazon logo
Amazon
Hard
Software EngineerSenior+

Discuss Ownership, Learning, Trust, Scope, and Delivery

Discuss Ownership, Learning, Trust, Scope, and Delivery Prepare evidence-based behavioral answers about ownership, learning, thinking broadly, earning...

Behavioral & Leadership
1
0
7 people solved
Jan 1, 2026
Amazon logo
Amazon
Hard
Software EngineerSenior+

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...

Behavioral & Leadership
11
0
75 people solved
Jan 22, 2026
Amazon logo
Amazon
Medium
Software EngineerNew Grad

Solve Three Algorithm Variants

You are given three independent coding problems. For each one, describe and implement an efficient solution. 1. Generate queue arrangements - You a...

Coding & Algorithms
1
0
22 people solved
Apr 10, 2026
Amazon logo
Amazon
Hard
Software Engineer

Design an email spam detection system

Design an email spam detection system System Design: End-to-End Email Spam Detection Context Design an end-to-end system that detects and handles spam...

ML System Design
19
0
161 people solved
Aug 10, 2025
Amazon logo
Amazon
Medium
Software Engineer Locked

Find Conflicting Events

This question evaluates algorithmic problem-solving in coding and algorithms, focusing on grouping, sorting, and sliding-window techniques applied to ...

Coding & Algorithms
1
0
9 people solved
Jun 19, 2026
Amazon logo
Amazon
Medium
Software Engineer Locked

Kth Largest Perfect Binary Subtree

This question evaluates a candidate's ability to combine tree traversal with structural validation, requiring recognition of perfect binary subtrees a...

Coding & Algorithms
2
0
8 people solved
Jun 19, 2026
Amazon logo
Amazon
Medium
Software EngineerNew Grad Locked

Detect and Break a Cycle in a Singly Linked List

This question tests practical knowledge of linked list traversal and pointer manipulation, specifically the ability to detect and resolve cycles using...

Coding & Algorithms
0
0
13 people solved
Jun 15, 2026
Amazon logo
Amazon
Medium
Software EngineerNew Grad Locked

Minimum Bills and Coins to Make Change

This question tests a candidate's grasp of greedy algorithms applied to a classic coin-change problem with fixed denominations. It evaluates practical...

Coding & Algorithms
1
0
11 people solved
Jun 15, 2026
Amazon logo
Amazon
Medium
Software EngineerNew Grad Locked

Minimum Drone Delivery Time on a Ring of Hubs

This question tests a candidate's grasp of circular graph traversal and greedy distance minimization on ring-structured topologies. It evaluates algor...

Coding & Algorithms
0
0
7 people solved
Jun 15, 2026
Amazon logo
Amazon
Hard
Software Engineer

Design a configuration subscription service

System Design: Configuration Service with Subscriptions Context Design a multi-tenant configuration service that stores key–value configuration and le...

System Design
9
0
70 people solved
Sep 6, 2025
Amazon logo
Amazon
Medium
Software Engineer

Discuss deadlines, feedback, and deep dives

Question This Amazon software engineer behavioral screen walks through a set of leadership-principle prompts. Be ready to tell a distinct, recent stor...

Behavioral & Leadership
8
0
63 people solved
Sep 6, 2025
Amazon logo
Amazon
Hard
Software Engineer

Design a distributed job scheduler service

Design a distributed job scheduler service Design a horizontally scalable, multi-tenant job scheduler service that supports both one-off / ad-hoc jobs...

System Design
9
0
106 people solved
Aug 10, 2025
Amazon logo
Amazon
Medium
Software EngineerSenior+ Locked

Design globally consistent metadata service

This question evaluates expertise in distributed systems and system design, focusing on linearizable consistency, multi-region replication and partiti...

System Design
6
0
85 people solved
Jan 6, 2026
Amazon logo
Amazon
Medium
Software Engineer

Build a BFS Web Crawler

Implement a web crawler for a single website. You are given: - A starting URL startUrl - A function fetch(url) that returns the HTML content of a page...

Coding & Algorithms
18
0
143 people solved
Mar 12, 2026
Amazon logo
Amazon
Medium
Software Engineer

Design a reusable web dialog component

You are building a UI component library for a web application and are asked to design and implement a reusable dialog (modal) component. Requirements ...

Software Engineering Fundamentals
2
0
44 people solved
Oct 31, 2025
Amazon logo
Amazon
Hard
Software Engineer

Design an e-commerce recommendation system

Design an Amazon-Scale E‑Commerce Product Recommendation System Context You are designing a large-scale recommendation system that powers multiple use...

ML System Design
14
0
138 people solved
Sep 6, 2025
Amazon logo
Amazon
Hard
Software Engineer

Design a scalable parking lot system

Design a scalable parking lot system System Design: Multi-Level Parking Lot Service Context Design a production-grade parking lot system for a large, ...

System Design
12
0
87 people solved
Jul 16, 2025
Amazon logo
Amazon
Hard
Software Engineer Locked

Implement Datacenter Router Commands

This question evaluates proficiency in stateful command processing, input validation, geospatial computation (Haversine distance), deterministic sorti...

Coding & Algorithms
2
0
16 people solved
Jun 5, 2026
Amazon logo
Amazon
Hard
Software EngineerSenior+ Locked

Choose lock granularity for concurrent storage

This question evaluates understanding of concurrency control and lock-granularity trade-offs in concurrent storage components, including coarse-graine...

Software Engineering Fundamentals
6
0
75 people solved
Jan 22, 2026
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Amazon Software Engineer Interview Prep
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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.

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