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

Design a basic task management system

Design a Simple Task Management Service Requirements Design a simple task management system that supports: 1. Add a new task with a unique ID and desc...

System Design
8
0
58 people solved
Sep 6, 2025
Amazon logo
Amazon
Medium
Software Engineer

Demonstrate decision-making and collaboration behaviors

Behavioral & Leadership (Technical Screen) — CARL Format You are interviewing for a Software Engineer technical screen. Answer each prompt using the C...

Behavioral & Leadership
3
0
47 people solved
Sep 6, 2025
Amazon logo
Amazon
Medium
Software Engineer

Justify choosing JavaScript for interviews

If given a choice of language, why would you choose JavaScript for front-end interview coding? Compare trade-offs versus TypeScript or Python regardin...

Coding & Algorithms
6
0
47 people solved
Sep 6, 2025
Amazon logo
Amazon
Medium
Software Engineer

Describe times exceeding and missing expectations

Behavioral Prompt: Exceeding and Falling Below Expectations Context You are interviewing for a Software Engineer role in a technical screen focused on...

Behavioral & Leadership
5
0
42 people solved
Sep 6, 2025
Amazon logo
Amazon
Medium
Software Engineer

Demonstrate ownership and deliver results

Behavioral Question: Ownership and Delivering Results Under Constraints Context: You are interviewing for a software engineering role. Use concise, sp...

Behavioral & Leadership
5
0
37 people solved
Sep 6, 2025
Amazon logo
Amazon
Hard
Software Engineer

Design in-memory threshold switcher

Design an In-Memory Memory-Pressure Switcher Context You are designing an in-memory component ("Switcher") that gates expensive work (e.g., request ad...

System Design
3
0
58 people solved
Sep 6, 2025
Amazon logo
Amazon
Medium
Software Engineer

Compute tree diameter

Given a (potentially large) binary tree, compute its diameter (the number of edges on the longest path between any two nodes). Implement an O(n) solut...

Coding & Algorithms
4
0
41 people solved
Sep 6, 2025
Amazon logo
Amazon
Medium
Software Engineer

Handle overwhelming recruiter prep and expectations

Behavioral Prompt: Handling Overwhelming Prep Under Short Notice Context You're preparing for an early-round HR screen for a Software Engineer role fo...

Behavioral & Leadership
6
0
72 people solved
Sep 6, 2025
Amazon logo
Amazon
Medium
Software Engineer

Check path in N-ary tree

Given the root of an N-ary tree and a sequence of integers path[0..k-1], determine whether there exists a path starting at the root whose node values ...

Coding & Algorithms
2
0
50 people solved
Sep 6, 2025
Amazon logo
Amazon
Medium
Software Engineer

Determine max remainders and anagram after deletions

Part 1 (Array Remainders): Given an integer array A of length n with A[i] > 0. You may choose any integer array B of length n. Define C[i] = B[i] mod ...

Coding & Algorithms
5
0
37 people solved
Sep 6, 2025
Amazon logo
Amazon
Medium
Software Engineer

Design a GitHub-like user community

System design: GitHub-like user community Design the backend for a “developer community” product inspired by GitHub’s social layer. Core requirements ...

System Design
1
0
35 people solved
Sep 5, 2025
Amazon logo
Amazon
Medium
Software Engineer

Solve Two OA Algorithm Problems

The post describes two separate coding questions from an online assessment: 1. Greedy deletion by minimum value Given an integer array nums, repeate...

Coding & Algorithms
14
0
172 people solved
Jan 8, 2026
Amazon logo
Amazon
Medium
Software EngineerSenior+ Locked

Measure platform success and drive adoption

This question evaluates a candidate's competency in platform leadership, operational metrics, organizational scaling, and driving cross-team adoption ...

System Design
10
0
84 people solved
Jan 6, 2026
Amazon logo
Amazon
Medium
Software EngineerIntern Locked

Maximize capacity with primary-backup pairing

This question evaluates combinatorial optimization and constrained matching skills, focusing on algorithm design, complexity analysis, and resource-al...

Coding & Algorithms
5
0
48 people solved
Jan 6, 2026
Amazon logo
Amazon
Medium
Software Engineer Locked

Design a weighted random value generator

This question evaluates understanding of weighted random sampling, probability-proportional selection, data structures for aggregating weights, and AP...

Coding & Algorithms
7
0
103 people solved
Jan 6, 2026
Amazon logo
Amazon
Medium
Software Engineer

Find shortest subarray to restore order

Given an integer array, find the shortest contiguous segment which, if sorted in ascending order, makes the entire array non-decreasing. Return the le...

Coding & Algorithms
3
0
46 people solved
Aug 14, 2025
Amazon logo
Amazon
Medium
Software Engineer

Describe challenges, mistakes, timeline management, communication

Behavioral & Leadership – Software Engineer Technical Screen Context: You are preparing for a software engineer technical screen that emphasizes behav...

Behavioral & Leadership
6
0
56 people solved
Aug 14, 2025
Amazon logo
Amazon
Medium
Software Engineer Locked

Design a package installer with dependencies

This question evaluates understanding of package management and dependency resolution, including version constraints, detection of missing packages, c...

System Design
7
0
59 people solved
Jan 1, 2026
Amazon logo
Amazon
Medium
Software Engineer Locked

Validate a training courses catalog

This question evaluates understanding of directed graphs, cycle detection, dependency validation, and data consistency in the context of a training co...

Coding & Algorithms
4
0
47 people solved
Jan 1, 2026
Amazon logo
Amazon
Medium
Software Engineer

Describe handling deadlines, conflicts, feedback, and ownership

Behavioral Interview Prompts — Software Engineer (Onsite) Context: You will be asked to share specific, first-person examples using a structured forma...

Behavioral & Leadership
3
0
46 people solved
Aug 13, 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