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

Describe Linux and SQL experience

You are being assessed on basic tooling skills as an engineer. Answer: 1. Linux/Unix commands: list commands you are comfortable with and briefly expl...

Software Engineering Fundamentals
6
0
46 people solved
May 28, 2025
Amazon logo
Amazon
Hard
Software Engineer

Design feedback and feature rollout platform

Design feedback and feature rollout platform System Design: Feedback + Feature Rollout Platform Context Build a multi-tenant platform that lets produc...

System Design
4
0
49 people solved
Aug 8, 2025
Amazon logo
Amazon
Medium
Software Engineer

Answer Amazon Leadership Principles questions

Answer Amazon Leadership Principles questions Behavioral Interview Prep: Amazon Leadership Principles (Software Engineer, Onsite) Context You are prep...

Behavioral & Leadership
13
0
92 people solved
Aug 7, 2025
Amazon logo
Amazon
Medium
Software Engineer

Assess cooldown and plan interview strategy

Assess cooldown and plan interview strategy Interpreting a One-Year Interview Cooldown and Maximizing Signal in a Three-Part Onsite Context You are pr...

Behavioral & Leadership
3
0
41 people solved
Aug 7, 2025
Amazon logo
Amazon
Medium
Software Engineer Locked

Design a scalable image-based social network

This question evaluates a candidate's ability to design large-scale backend architectures, covering distributed systems, storage and media handling, c...

System Design
6
0
56 people solved
Oct 31, 2025
Amazon logo
Amazon
Hard
Software EngineerSenior+

Evaluate IP Access Rules

You are given a list of IPv4 access-control rules. Each rule consists of: - an action: allow or deny - a CIDR block such as 192.168.0.0/16 You are als...

Coding & Algorithms
15
0
203 people solved
Feb 17, 2026
Amazon logo
Amazon
Medium
Software EngineerIntern

Find a valid dependency order

You are given n tasks labeled from 0 to n - 1 and a list of dependency pairs dependencies, where each pair [a, b] means task b must be completed befor...

Coding & Algorithms
7
0
89 people solved
Feb 15, 2026
Amazon logo
Amazon
Medium
Software Engineer

Implement ad matching and delivery routing

Implement ad matching and delivery routing Part A: Implement a data structure for an ad-matching service that supports add(campaign), remove(campaign)...

Coding & Algorithms
5
0
55 people solved
Jul 16, 2025
Amazon logo
Amazon
Hard
Software Engineer

Optimize attention for long sequences

Optimize attention for long sequences System Design: Efficient Attention for Long Sequences Context You are designing or optimizing sequence models th...

ML System Design
4
0
44 people solved
Jul 15, 2025
Amazon logo
Amazon
Medium
Software Engineer Locked

Find max equal-frequency block count for each prefix

This question evaluates proficiency in string processing, frequency-vector reasoning, and prefix-based partitioning to determine equal-frequency conti...

Coding & Algorithms
24
0
201 people solved
Feb 12, 2026
Amazon logo
Amazon
Medium
Software Engineer Locked

Compute total revenue from greedy VM rentals

This question evaluates understanding of greedy allocation strategies and the ability to maintain dynamic summaries (tracking current maximum and smal...

Coding & Algorithms
23
0
307 people solved
Feb 12, 2026
Amazon logo
Amazon
Medium
Software Engineer Locked

Explain overfitting, regularization, and LLM techniques

This question evaluates understanding of model generalization (overfitting vs underfitting), regularization methods (L1 vs L2), modern LLM techniques ...

Machine Learning
8
0
127 people solved
Feb 12, 2026
Amazon logo
Amazon
Easy
Software Engineer

Describe a complex problem you solved

Behavioral questions 1. Complex problem: Tell me about a time you worked on a complex technical problem. - What made it complex (scale, ambiguity, ...

Behavioral & Leadership
5
0
60 people solved
Oct 18, 2025
Amazon logo
Amazon
Hard
Software EngineerIntern Locked

Merge two sorted arrays in-place

This question evaluates array-manipulation and in-place algorithm skills, including understanding of sorted-data merging, index/pointer management, an...

Coding & Algorithms
8
0
107 people solved
Feb 8, 2026
Amazon logo
Amazon
Hard
Software Engineer

Find Affected Services After Shutdown

You are given a set of services and their dependency relationships. The input is a hash map where each key is a service name, and the value is a list ...

Coding & Algorithms
36
0
357 people solved
Jan 26, 2026
Amazon logo
Amazon
Easy
Software EngineerIntern Locked

Print all odd numbers from an integer list

This question evaluates proficiency with array/list manipulation, parity checking, and handling edge cases such as negative values and integers outsid...

Coding & Algorithms
6
0
79 people solved
Jan 22, 2026
Amazon logo
Amazon
Medium
Software Engineer

Reflect on self, goals, learning, competitions

Prepare structured behavioral answers for these interview questions: 1. Give three words that accurately describe you as a professional, and illustrat...

Behavioral & Leadership
4
0
30 people solved
May 28, 2025
Amazon logo
Amazon
Hard
Software Engineer

Design a risk management ticketing system

Design a Risk Management Ticketing System Context You are designing a ticketing platform used by human users (analysts, managers, admins) and an autom...

System Design
4
0
48 people solved
Sep 6, 2025
Amazon logo
Amazon
Hard
Software Engineer

Design ride-hailing pricing with fairness and pooling

System Design: Ride-Hailing Pricing Engine Context Design a pricing engine for a ride-hailing platform that maximizes revenue while ensuring fairness ...

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

Detect words formed by multiple dictionary parts

Given an array words of up to 100,000 non-empty lowercase strings (total characters ≤ 1,000, 000), return all strings that can be formed by concatenat...

Coding & Algorithms
3
0
51 people solved
Sep 6, 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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