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 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 EngineerIntern

Explain conflict, ownership, and AI use

Question Prepare structured answers for an Amazon-style behavioral interview (intern / early-career software engineer) that probes leadership-principl...

Behavioral & Leadership
24
0
176 people solved
Feb 15, 2026
Amazon logo
Amazon
Medium
Software Engineer Locked

Drone Circular Route — Minimum Total Travel Cost

This question tests a candidate's ability to apply dynamic programming to combinatorial optimization, specifically the Traveling Salesman Problem (TSP...

Coding & Algorithms
1
0
8 people solved
Jun 12, 2026
Amazon logo
Amazon
Hard
Software Engineer

Find a Maximum-Sum Window in a Sparse Array

Find a Maximum-Sum Window in a Sparse Array An integer array is represented by constant-value segments instead of individual elements. Each segment [s...

Coding & Algorithms
1
0
13 people solved
Jul 10, 2026
Amazon logo
Amazon
Medium
Software EngineerIntern

Describe complex projects, failures, and pivots

In a software engineering internship interview, you may be asked a set of behavioral questions about project complexity, decision-making, failure, and...

Behavioral & Leadership
10
0
150 people solved
Feb 11, 2026
Amazon logo
Amazon
Hard
Software Engineer

Design a file search module like UNIX find

Design Task: Object-Oriented module that mimics UNIX find Context Design an object-oriented library that replicates the core functionality of the UNIX...

System Design
33
0
233 people solved
Aug 13, 2025
Amazon logo
Amazon
Medium
Software Engineer

Add One Source to Minimize Grid Inconvenience

Add One Source to Minimize Grid Inconvenience Implement min_max_inconvenience(grid). grid is a non-empty rectangular matrix containing 0 and 1. A cell...

Coding & Algorithms
2
0
30 people solved
Jul 9, 2026
Amazon logo
Amazon
Hard
Software EngineerSenior+

Return the Vertical Traversal of a Binary Tree

Return the Vertical Traversal of a Binary Tree Problem Implement verticalTraversal(nodeValues, left, right, root) -> columns. Node root is at row 0, c...

Coding & Algorithms
0
0
10 people solved
Jan 1, 2026
Amazon logo
Amazon
Medium
Software Engineer

Model an Extensible Employee Cost Calculator

Design an object model and calculation API for the total cost of an employee. Total cost has four components: 1. Base salary from the employee record....

Software Engineering Fundamentals
1
0
12 people solved
Feb 2, 2026
Amazon logo
Amazon
Hard
Software EngineerIntern

Answer common Amazon behavioral questions

You are interviewing for a software engineering internship. Prepare strong answers (using the STAR framework) for the following behavioral questions: ...

Behavioral & Leadership
20
0
141 people solved
Jan 15, 2026
Amazon logo
Amazon
Medium
Software Engineer

Answer behavioral questions about delivery and influence

Behavioral questions Prepare structured answers (e.g., STAR) to the following: 1. Complex problem, simple solution: Give an example of a complex probl...

Behavioral & Leadership
15
0
117 people solved
Jan 6, 2026
Amazon logo
Amazon
Easy
Software Engineer

Discuss AI Use, Deadlines, Ambiguity, and Feedback

Discuss AI Use, Deadlines, Ambiguity, and Feedback Prepare evidence-based responses to the following behavioral themes. Use distinct examples where po...

Behavioral & Leadership
1
0
11 people solved
Mar 19, 2026
Amazon logo
Amazon
Easy
Software Engineer Locked

Find Unique Target-Sum Pairs

This question evaluates array-processing skills, correctness in handling duplicate values, and the ability to identify unique value pairs whose sums m...

Coding & Algorithms
2
0
25 people solved
May 2, 2026
Amazon logo
Amazon
Medium
Software Engineer

Solve two set and graph problems

Implement solutions for the following two data-structure / algorithm problems. --- Problem 1: Friend-purchase recommendations You are given three enti...

Coding & Algorithms
18
0
165 people solved
Oct 31, 2025
Amazon logo
Amazon
Medium
Software Engineer

Find Valid IP Addresses in Files

You are given an absolute or relative path to a directory on the local file system. Write a program that recursively traverses every subdirectory unde...

Coding & Algorithms
37
0
292 people solved
Apr 28, 2026
Amazon logo
Amazon
Hard
Software EngineerSenior+ Locked

Design a replicated cloud storage service

This question evaluates a candidate's system-design competency in distributed cloud storage, covering metadata/data separation, replication models, re...

System Design
17
0
225 people solved
Jan 22, 2026
Amazon logo
Amazon
Medium
Software Engineer Locked

Implement Review Content Moderation

This question evaluates a candidate's ability to implement consistent server-side content moderation and stateful persistence handling in a backend se...

Software Engineering Fundamentals
11
0
122 people solved
May 24, 2026
Amazon logo
Amazon
Hard
Software EngineerIntern

Answer common internship behavioral questions

You have ~25–30 minutes for behavioral questions (with possible follow-ups). Prepare strong, concrete answers (internship-level scope is fine) for: 1....

Behavioral & Leadership
12
0
130 people solved
Feb 8, 2026
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 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
163 people solved
Aug 10, 2025
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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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