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 Locked

Course Prerequisite Feasibility

This question tests graph theory fundamentals, specifically cycle detection in directed graphs as modeled by dependency constraints. It evaluates prac...

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

Inventory Allocation by Bid Priority

This question assesses simulation and priority-queue design skills, requiring careful implementation of tiered, round-robin resource allocation under ...

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

Find the Maximum Number of Concurrent Processes

Practice a Amazon coding interview problem focused on find the maximum number of concurrent processes. The prompt emphasizes edge cases, clean impleme...

Coding & Algorithms
0
0
7 people solved
Jun 4, 2026
Amazon logo
Amazon
Hard
Software Engineer Locked

Evaluate an Arithmetic Expression in Postfix Notation

Practice a Amazon coding interview problem focused on evaluate an arithmetic expression in postfix notation. The prompt emphasizes edge cases, clean i...

Coding & Algorithms
0
0
4 people solved
Jun 4, 2026
Amazon logo
Amazon
Hard
Software Engineer Locked

Find the Closest Version by Date

Practice a Amazon coding interview problem focused on find the closest version by date. The prompt emphasizes edge cases, clean implementation, and ve...

Coding & Algorithms
0
0
5 people solved
Jun 4, 2026
Amazon logo
Amazon
Medium
Software EngineerSenior+ Locked

Implement Event Filtering and Queue Routing

This question evaluates parsing and evaluation of domain-specific filter expressions, JSON traversal and type-aware comparisons, boolean logic handlin...

Coding & Algorithms
2
0
15 people solved
May 30, 2026
Amazon logo
Amazon
Medium
Software EngineerSenior+ Locked

Turn an Unlikely Project Around and Recover When AI Coding Falls Short

Prepare two senior engineering stories: turning an apparently infeasible project into a credible result, and recovering when an AI coding tool produce...

Behavioral & Leadership
1
0
8 people solved
May 29, 2026
Amazon logo
Amazon
Medium
Software Engineer Locked

Minimize Circular Redistribution Cost

This question evaluates algorithmic problem-solving skills in array manipulation, circular data structures, load balancing, and cost optimization whil...

Coding & Algorithms
5
0
31 people solved
May 24, 2026
Amazon logo
Amazon
Hard
Software Engineer Locked

Find the Most Common Visit Pattern

This question evaluates the ability to process timestamped event logs and extract ordered length-3 visit sequences, testing skills in sorting, frequen...

Coding & Algorithms
1
0
16 people solved
May 23, 2026
Amazon logo
Amazon
Medium
Software Engineer Locked

Merge Multiple Sorted Arrays

This question evaluates a candidate's competency in array manipulation, merging techniques, and algorithmic complexity analysis, including handling ed...

Coding & Algorithms
1
0
16 people solved
May 22, 2026
Amazon logo
Amazon
Hard
Software Engineer Locked

Find a Valid Course Order

This question evaluates graph algorithm skills—specifically topological ordering, directed cycle detection, and analysis of time and space complexity....

Coding & Algorithms
0
0
5 people solved
May 12, 2026
Amazon logo
Amazon
Hard
Software Engineer Locked

Build a Searchable Sentence Index

This question evaluates a candidate's ability to design and implement in-memory text indexes and related data structures, covering inverted indexing, ...

Coding & Algorithms
0
0
10 people solved
May 11, 2026
Amazon logo
Amazon
Medium
Software EngineerIntern

Implement Cache and Rotate Matrix

Solve the following two independent coding tasks. Task 1: Implement an LRU Cache Design a data structure LRUCache that stores integer keys and integer...

Coding & Algorithms
2
0
49 people solved
Apr 20, 2026
Amazon logo
Amazon
Hard
Software Engineer Locked

Find Longest Activatable Server Streak

This question evaluates array algorithm skills, specifically recognition of sliding-window or two-pointer techniques and reasoning about time and spac...

Coding & Algorithms
3
0
36 people solved
Apr 15, 2026
Amazon logo
Amazon
Medium
Software Engineer

Solve Union-Find, Graph, and Stream Problems

Solve the following independent coding problems. 1. Merge Product Categories You are given a list of tuples (productA, productB). Each tuple means the...

Coding & Algorithms
0
0
6 people solved
Apr 9, 2026
Amazon logo
Amazon
Hard
Software Engineer Locked

Minimize time for two handlers

This question evaluates algorithmic optimization skills and stateful scheduling reasoning, focusing on task assignment trade-offs and cumulative cost ...

Coding & Algorithms
7
0
98 people solved
Apr 7, 2026
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Amazon
Medium
Software EngineerIntern

Implement Cache and Count Components

You are asked to solve two independent coding problems in this session, each followed by a short discussion. This mirrors a 60-minute Amazon SDE codin...

Coding & Algorithms
35
0
408 people solved
Mar 7, 2026
Amazon logo
Amazon
Medium
Software EngineerIntern

Compute Latencies and Search Grid Path

You are given two coding tasks from an internship interview. Task 1: Compute Message Latency from CSV Logs Two systems, ComputeA and ComputeB, exchang...

Coding & Algorithms
0
0
15 people solved
Mar 4, 2026
Amazon logo
Amazon
Hard
Software Engineer Locked

Maximize protected population and bitwise AND

This paired problem evaluates array manipulation and resource-allocation reasoning for maximizing covered population in a constrained-movement scenari...

Coding & Algorithms
17
0
182 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
306 people solved
Feb 12, 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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