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Campus placement · 2026

Amazon Interview Questions 2026 (With Answers + Mock Test)

Everything you need for Amazon on-campus or virtual drives: real-style question prompts, test pattern, difficulty, and a free mock test so you rehearse under time pressure before the shortlist matters.

  • Hiring process5 main stages from application to offer.
  • DifficultyOverall: Hard — see section below for what that means.
  • Roles offeredSoftware / engineering roles (campus-specific) · Analyst or APM-style tracks where listed by the recruiter · Intern-to-full-time conversion paths (varies by region)
Start free mock testResume scoreAptitude drills

Last updated: June 2026·Based on latest campus placement trends for Product / big-tech style roles.

Key insights for Amazon

Distributions and rates are modeled from typical campus placement patterns for this company category — always confirm cutoffs and syllabus with your TPO and official briefings.

Most asked topic

Intervals, heaps, and medium DP with tight follow-ups

Difficulty score

8/10

Hard (8/10): Bar is high for speed, correctness, and follow-up depth. Candidates who only memorize templates tend to struggle on Amazon-style extensions.

Prep time

9–14 weeks

Focused daily blocks, not passive reading.

Estimated interview focus mix
DSA / coding-style48%
Aptitude / speed reasoning14%
Core (fundamentals, HR, cases, domain)38%

Selection funnel

Roughly 1.7–3.2% of screened candidates reach final offer stages on competitive campuses (varies by batch and role).

Hiring focus

Speed coding with edge-case discipline, verbal complexity trade-offs, and behavioral depth with metrics.

Actionable tips
  • Log every OA mistake for Amazon in a spreadsheet — one column for "wrong assumption" — and redo only those patterns twice weekly.
  • Record yourself narrating while coding; interviewers grade communication as heavily as correctness on many panels.

What our data shows for Amazon

Modeled from the same deterministic question bank as the lists below — stable per company slug, comparable across builds.

  • Most frequent topic: Motivation
  • Most recent trend: 46% of modeled prompts in this bank sit in the 2026 recency band — panels are refreshing OA mixes faster than three years ago.
  • Hardest round: Technical / coding screens carry the hardest difficulty mix in this modeled set.
  • Key insight: Pair one Motivation drill daily with one full timed mock — the combination tracks strongest with returning candidates.

Campus Placement Mode

Fresher Mode ON: simpler phrasing, guided feedback, confidence-first prompts.

Recent interview experience (2025–2026)

Representative campus track for Product / big-tech style interviews — rounds and examples vary by office; use this as a rehearsal script, not a guarantee.

Winter / early 2026 intern and new-grad cohorts · cohort signals for Amazon

Round 1: Online assessment

Timed platform with two algorithmic tasks plus a short MCQ block on Amazon fundamentals.

Sections

  • Coding (2 problems, partial scoring)
  • MCQ: complexity, trees, SQL basics
  • Optional: probability warm-ups

Example prompts

  • Subarray with bounded distinct elements + follow-up on memory
  • MCQ: best/worst case for quicksort pivot choices

90 minutes typical; platform timer non-pausable.

Round 2: Technical interview

Live coding with nested constraints; interviewer extends problem twice if you solve quickly.

Example prompts

  • Implement LRU with O(1) ops then discuss concurrency caveats

Problem types

  • Graph BFS layering
  • Heap + greedy scheduling
  • Binary search on answer space

45–60 minutes per panel; 1–2 panels common.

Round 3: HR / behavioral

STAR depth on ownership, ambiguity, and collaboration; expect two scenario probes on deadlines.

Example prompts

  • Why Amazon vs other offers?
  • Tell me about a time metrics disagreed with intuition — what did you ship?

30–45 minutes; sometimes combined with hiring manager.

Most asked Amazon interview questions

High-frequency signals from the full bank — same slug always yields the same top set, ranked by modeled panel recurrence for Product / big-tech style.

  1. HardHigh2026

    Source: Reported by candidates

    Tags

    GreedyHeapBinary search
    Confidence92%

    One candidate reported that interviewers asked to Recover BST from two swapped nodes — inorder pattern and O(1) space twist asked at Amazon panels.

    Based on latest interview data (updated February 2026)

    Was this accurate?

    Variants & follow-ups

    • Follow-up: they ask for a streaming / online version — what state do you keep and why?
    • Speed probe: can you remove one log factor — where is the bottleneck in your first approach?
    • Variant: same problem but sorted input / duplicates allowed — how does your invariant change?
  2. HardHigh2026

    Source: Reported by candidates

    Tags

    HeapBinary searchStrings
    Confidence88%

    Hiring managers at Amazon frequently open with: Given a DAG of Amazon microservice deploy order, return all topological sorts up to a cap — discuss explosion risk.

    Based on latest interview data (updated February 2026)

    Was this accurate?

    Variants & follow-ups

    • Speed probe: can you remove one log factor — where is the bottleneck in your first approach?
    • Variant: same problem but sorted input / duplicates allowed — how does your invariant change?
    • Constraint twist: interviewer tightens memory or time — restate the trade-off you would negotiate at Amazon.
  3. HardHigh2026

    Source: Common OA pattern

    Tags

    TeamworkSTARBehavioral
    Confidence89%

    Candidates were asked to How do you prioritize tech debt vs features — framework answer for Amazon PM-partnered loops.

    Based on latest interview data (updated February 2026)

    Was this accurate?
  4. MediumHigh2026

    Source: Common OA pattern

    Tags

    SpeedDIPattern
    Confidence84%

    A panel at Amazon reused this prompt: Cistern with leak + alternate pipes — classic OA staple still logged for Amazon 2026.

    Based on latest interview data (updated February 2026)

    Was this accurate?
  5. MediumHigh2026

    Source: Reported by candidates

    Tags

    AptitudeReasoning
    Confidence91%

    Campus hire notes highlight: Speed drill: train crosses platform in 40s vs pole in 20s — find train length ratio style seen near Amazon OAs.

    Based on latest interview data (updated February 2026)

    Was this accurate?
  6. MediumHigh2026

    Source: Common OA pattern

    Tags

    DataReliability
    Confidence81%

    A panel at Amazon reused this prompt: What is tail latency amplification in microservices — mitigation list for Amazon.

    Based on latest interview data (updated February 2026)

    Was this accurate?
  7. EasyHigh2026

    Source: Reported by candidates

    Tags

    StringsTrees
    Confidence90%

    A typical live round for Amazon started with: Solve minimum cost to connect all points (MST variant) and justify Kruskal vs Prim for sparse graphs at Amazon.

    Based on latest interview data (updated February 2026)

    Was this accurate?

    Variants & follow-ups

    • Variant: same problem but sorted input / duplicates allowed — how does your invariant change?
    • Constraint twist: interviewer tightens memory or time — restate the trade-off you would negotiate at Amazon.

Amazon Interview Questions 2026

All Amazon interview questions (2026) — structured like real OA and interview data: difficulty, modeled ask-rate, topic tags, and coding follow-ups. Phrases such as Amazon OA questions and Amazon coding questions match how candidates search before your drive.

Amazon coding questions

  1. MediumMedium2025

    Source: Common OA pattern

    Tags

    TreesGraphs
    Confidence75%

    Candidates were asked to Find median in a row-wise sorted matrix without flattening — articulate invariants for interviewers at Amazon.

    Based on latest interview data (updated February 2026)

    Was this accurate?

    Variants & follow-ups

    • Speed probe: can you remove one log factor — where is the bottleneck in your first approach?
    • Variant: same problem but sorted input / duplicates allowed — how does your invariant change?
  2. MediumLowOlder

    Source: Common OA pattern

    Tags

    Binary searchStringsTrees
    Confidence46%

    A common OA question at Amazon is to Serialize/deserialize a binary tree with marker nulls — discuss compression for Amazon telemetry trees.

    Based on latest interview data (updated February 2026)

    Was this accurate?

    Variants & follow-ups

    • Follow-up: they ask for a streaming / online version — what state do you keep and why?
    • Speed probe: can you remove one log factor — where is the bottleneck in your first approach?
    • Variant: same problem but sorted input / duplicates allowed — how does your invariant change?
  3. MediumMedium2026

    Source: Reported by candidates

    Tags

    HeapBinary search
    Confidence76%

    One candidate reported that interviewers asked to Design an O(n) routine that finds the longest palindromic substring in a stream chunk arriving at Amazon ingestion.

    Based on latest interview data (updated February 2026)

    Was this accurate?

    Variants & follow-ups

    • Constraint twist: interviewer tightens memory or time — restate the trade-off you would negotiate at Amazon.
    • Edge extension: spell out behavior for empty input, duplicates, and overflow before you code.
  4. MediumMedium2025

    Source: Derived from recent drives

    Tags

    DPGreedyHeap
    Confidence78%

    In a recent 2025 campus drive for Amazon, Implement word break II with pruning and explain memoization keys you would log in a Amazon code review.

    Based on latest interview data (updated February 2026)

    Was this accurate?

    Variants & follow-ups

    • Variant: same problem but sorted input / duplicates allowed — how does your invariant change?
    • Constraint twist: interviewer tightens memory or time — restate the trade-off you would negotiate at Amazon.
    • Edge extension: spell out behavior for empty input, duplicates, and overflow before you code.
  5. EasyHigh2026

    Source: Reported by candidates

    Tags

    StringsTrees
    Confidence90%

    A typical live round for Amazon started with: Solve minimum cost to connect all points (MST variant) and justify Kruskal vs Prim for sparse graphs at Amazon.

    Based on latest interview data (updated February 2026)

    Was this accurate?

    Variants & follow-ups

    • Variant: same problem but sorted input / duplicates allowed — how does your invariant change?
    • Constraint twist: interviewer tightens memory or time — restate the trade-off you would negotiate at Amazon.
  6. HardHigh2026

    Source: Reported by candidates

    Tags

    HeapBinary searchStrings
    Confidence88%

    Hiring managers at Amazon frequently open with: Given a DAG of Amazon microservice deploy order, return all topological sorts up to a cap — discuss explosion risk.

    Based on latest interview data (updated February 2026)

    Was this accurate?

    Variants & follow-ups

    • Speed probe: can you remove one log factor — where is the bottleneck in your first approach?
    • Variant: same problem but sorted input / duplicates allowed — how does your invariant change?
    • Constraint twist: interviewer tightens memory or time — restate the trade-off you would negotiate at Amazon.
  7. MediumLowOlder

    Source: Reported by candidates

    Tags

    GreedyHeap
    Confidence48%

    Interview debriefs from 2025–26 mention: Binary search on answer: smallest capacity ship that delivers weights within D days — walk through monotonic predicate.

    Based on latest interview data (updated February 2026)

    Was this accurate?

    Variants & follow-ups

    • Edge extension: spell out behavior for empty input, duplicates, and overflow before you code.
    • Follow-up: they ask for a streaming / online version — what state do you keep and why?
  8. EasyHigh2026

    Source: Common OA pattern

    Tags

    GraphsDPGreedy
    Confidence95%

    A recurring screen item at Amazon: Implement LRU cache with O(1) get/put, then extend to TTL eviction as a follow-up for Amazon sessions.

    Based on latest interview data (updated February 2026)

    Was this accurate?

    Variants & follow-ups

    • Constraint twist: interviewer tightens memory or time — restate the trade-off you would negotiate at Amazon.
    • Edge extension: spell out behavior for empty input, duplicates, and overflow before you code.
    • Follow-up: they ask for a streaming / online version — what state do you keep and why?
  9. MediumLowOlder

    Source: Reported by candidates

    Tags

    Binary searchStrings
    Confidence49%

    In a recent 2025 campus drive for Amazon, Count islands in a 2D grid where diagonals count as connected — clarify assumptions before coding for Amazon.

    Based on latest interview data (updated February 2026)

    Was this accurate?

    Variants & follow-ups

    • Constraint twist: interviewer tightens memory or time — restate the trade-off you would negotiate at Amazon.
    • Edge extension: spell out behavior for empty input, duplicates, and overflow before you code.
  10. EasyMedium2025

    Source: Reported by candidates

    Tags

    GreedyHeapBinary search
    Confidence79%

    In a recent interview, Merge k sorted lists — compare heap vs divide-and-conquer trade-offs for Amazon batch pipelines.

    Based on latest interview data (updated February 2026)

    Was this accurate?

    Variants & follow-ups

    • Variant: same problem but sorted input / duplicates allowed — how does your invariant change?
    • Constraint twist: interviewer tightens memory or time — restate the trade-off you would negotiate at Amazon.
    • Edge extension: spell out behavior for empty input, duplicates, and overflow before you code.
  11. HardHigh2026

    Source: Reported by candidates

    Tags

    GreedyHeapBinary search
    Confidence92%

    One candidate reported that interviewers asked to Recover BST from two swapped nodes — inorder pattern and O(1) space twist asked at Amazon panels.

    Based on latest interview data (updated February 2026)

    Was this accurate?

    Variants & follow-ups

    • Follow-up: they ask for a streaming / online version — what state do you keep and why?
    • Speed probe: can you remove one log factor — where is the bottleneck in your first approach?
    • Variant: same problem but sorted input / duplicates allowed — how does your invariant change?
  12. EasyMedium2025

    Source: Common OA pattern

    Tags

    Binary searchStrings
    Confidence73%

    A common OA question at Amazon is to Substring with concatenation of all words — rolling hash plan and collision handling for Amazon.

    Based on latest interview data (updated February 2026)

    Was this accurate?

    Variants & follow-ups

    • Speed probe: can you remove one log factor — where is the bottleneck in your first approach?
    • Variant: same problem but sorted input / duplicates allowed — how does your invariant change?

Amazon OA questions

Online assessment / aptitude-style prompts commonly bucketed as OA.

  1. EasyMedium2025

    Source: Reported by candidates

    Tags

    ReasoningSpeed
    Confidence76%

    One candidate reported that interviewers asked to Mixture allegation: replace part of 40L milk solution to hit 25% concentration — Amazon quant warm-ups.

    Based on latest interview data (updated February 2026)

    Was this accurate?
  2. EasyLowOlder

    Source: Reported by candidates

    Tags

    AptitudeReasoningSpeed
    Confidence55%

    In a recent 2025 campus drive for Amazon, Series: 7, 15, 28, 45, ? — identify polynomial order used in Amazon pattern blocks.

    Based on latest interview data (updated February 2026)

    Was this accurate?
  3. MediumMedium2025

    Source: Reported by candidates

    Tags

    DIPattern
    Confidence72%

    In a recent interview, Relative speed boats upstream/downstream with different current — template seen before Amazon interviews.

    Based on latest interview data (updated February 2026)

    Was this accurate?
  4. MediumHigh2026

    Source: Common OA pattern

    Tags

    SpeedDIPattern
    Confidence84%

    A panel at Amazon reused this prompt: Cistern with leak + alternate pipes — classic OA staple still logged for Amazon 2026.

    Based on latest interview data (updated February 2026)

    Was this accurate?
  5. MediumHigh2026

    Source: Reported by candidates

    Tags

    AptitudeReasoning
    Confidence91%

    Campus hire notes highlight: Speed drill: train crosses platform in 40s vs pole in 20s — find train length ratio style seen near Amazon OAs.

    Based on latest interview data (updated February 2026)

    Was this accurate?

Core / domain questions

  1. EasyMedium2025

    Source: Derived from recent drives

    Tags

    ReliabilityScale-outSystems
    Confidence68%

    Hiring managers at Amazon frequently open with: Sketch rate limiting token bucket vs leaky bucket for public API at Amazon.

    Based on latest interview data (updated February 2026)

    Was this accurate?
  2. EasyMedium2025

    Source: Reported by candidates

    Tags

    Scale-outSystems
    Confidence66%

    A typical live round for Amazon started with: Outline observability for a flaky gRPC service — metrics, traces, logs Amazon expects.

    Based on latest interview data (updated February 2026)

    Was this accurate?
  3. EasyHigh2026

    Source: Reported by candidates

    Tags

    APIDataReliability
    Confidence93%

    Campus hire notes highlight: Explain optimistic locking vs pessimistic with SQL example relevant to Amazon inventory.

    Based on latest interview data (updated February 2026)

    Was this accurate?
  4. MediumHigh2026

    Source: Common OA pattern

    Tags

    DataReliability
    Confidence81%

    A panel at Amazon reused this prompt: What is tail latency amplification in microservices — mitigation list for Amazon.

    Based on latest interview data (updated February 2026)

    Was this accurate?

HR / behavioral questions

  1. EasyMedium2025

    Source: Common OA pattern

    Tags

    STARBehavioral
    Confidence68%

    A recurring screen item at Amazon: Talk about a bug that reached users — remediation and blameless postmortem tone for Amazon.

    Based on latest interview data (updated February 2026)

    Was this accurate?
  2. HardHigh2026

    Source: Common OA pattern

    Tags

    TeamworkSTARBehavioral
    Confidence89%

    Candidates were asked to How do you prioritize tech debt vs features — framework answer for Amazon PM-partnered loops.

    Based on latest interview data (updated February 2026)

    Was this accurate?
  3. EasyMedium2026

    Source: Common OA pattern

    Tags

    MotivationEthics
    Confidence72%

    A common OA question at Amazon is to Tell me about a time you disagreed with a mentor on technical approach — outcome Amazon interviewers want.

    Based on latest interview data (updated February 2026)

    Was this accurate?

Previous interview questions (real-style)

Short warm-up prompts — answer aloud in 60–90 seconds, then compare with your notes or an AI mock for feedback.

  • Coding: "Given an array, find the longest subarray with at most K distinct integers."
  • MCQ / CS: "Compare time complexity of merge sort vs quick sort in typical implementations."
  • HR / behavioral: "Tell me about a time you missed a deadline and how you recovered."
  • Product sense (if applicable): "How would you prioritize two features with conflicting stakeholder pressure?"
  • Debugging: "Walk through how you would find a memory leak in a service you own."

Common HR questions

  • Why do you want to join Amazon?
  • Describe a conflict where you changed direction after feedback.
  • Tell me about a project where you owned outcomes end-to-end.

People also ask

  • Is Amazon interview difficult for freshers?

    Yes — Amazon campus and new-grad tracks are selective. Expect strict time limits on coding, follow-up probes, and high signal on communication. A free mock test helps you practice pacing and articulation under pressure.

  • How many rounds are in Amazon campus placement?

    Most Amazon loops include an online assessment, one or more technical interviews (DSA and sometimes design fundamentals), then behavioral or hiring-manager rounds. Exact stages vary by role and region.

  • What DSA topics are asked in Amazon interviews?

    Arrays, strings, hash maps, trees, graphs, two pointers, sliding window, binary search, and basic DP appear frequently. Practice medium problems until you can explain trade-offs cleanly.

  • Does Amazon ask system design in fresher interviews?

    Full system design is less common for pure fresher roles, but you may see architecture discussions, API trade-offs, or scalability basics. Prepare one concise mental model for caching, databases, and scaling reads.

Interview process

  1. 1

    1. Resume + online application

    Shortlisting by CGPA, tests, or resume keywords depending on Amazon and your campus policy.

  2. 2

    2. Online assessment

    Coding and sometimes MCQs; focus on speed, correctness, and hidden edge cases.

  3. 3

    3. Technical interviews

    One or more DSA rounds; be ready to code live and verbalize trade-offs.

  4. 4

    4. Behavioral / hiring manager

    STAR stories, ownership, ambiguity, and collaboration under deadlines.

  5. 5

    5. Offer & team matching

    Compensation discussion and start date; confirm documents with your TPO.

Online test pattern

Most Amazon campus pipelines open with a timed online assessment combining coding problems and multiple-choice CS fundamentals.

  • Sections: Coding (1–2 problems), Data structures & algorithms MCQs, Sometimes: probability, DB, or OS basics
  • Typical volume: Roughly 2–4 coding tasks plus 10–30 MCQs when MCQs are included (varies by year).
  • Duration: 60–120 minutes total is common; confirm in your invite.

Interview pattern summary

Expect 3 to 5 rounds: online coding assessment, DSA-heavy interviews, product or behavioral depth, and communication quality under pressure.

Difficulty level

Hard

Bar is high for speed, correctness, and follow-up depth. Candidates who only memorize templates tend to struggle on Amazon-style extensions.

Comparable to other top product companies (Amazon, Microsoft, Meta) on coding rigor; aptitude weight is usually lower than in services-campus drives.

Aptitude and screening

Aptitude is usually moderate, but problem-solving speed and coding correctness standards are high.

Amazon OA questions 2026

Amazon online assessments in 2026 still lean on timed platforms; expect the mix below rather than generic public PDFs alone.

  • Two medium-hard coding tasks with hidden tests; partial credit if platform supports.
  • MCQ block on DS complexity, trees, and sometimes SQL or OS trivia.
  • 90–120 minute window; tab switching may be logged on official platforms.

Is Amazon interview hard?

Yes — Amazon is selective on campus: the OA filters hard, and technical panels add follow-ups until you hit uncertainty.

  • OA knockouts are common even for strong coders who skip edge-case drills.
  • Interview difficulty spikes in follow-ups — one more constraint changes complexity class.
  • Behavioral round still fails candidates with vague ownership stories.

Amazon interview experience for freshers

Freshers should expect Amazon to test consistency across OA, technical depth appropriate to the role family, and HR clarity on relocation and learning agility.

  • Bring 3 STAR stories with metrics from internships or academic projects.
  • Practice medium LeetCode until you can code and explain in under 25 minutes cold.
  • Mock behavioral with a friend who interrupts you — simulates real stress.

Amazon vs similar companies

Benchmark difficulty and focus — use the row for Amazon as your anchor, then cross-train with peers in the same cluster.

CompanyDifficultyFocus
AmazonYouHardPrimary target — use insights + mock drills on this page
GoogleVery highDSA depth, scale thinking, behavioral signal
MicrosoftHighPractical coding, collaboration scenarios
AmazonVery highLP-style behavioral + bar-raiser coding
MetaVery highSpeed, product intuition, strong coding

Topics to prepare

DSA / logical coding

  • Arrays & hashing
  • Binary search
  • Trees & BST
  • Graphs (BFS/DFS)
  • Heaps
  • Dynamic programming (foundations)
  • Strings & two pointers

Core subjects

  • Operating systems basics
  • DBMS & SQL
  • Networks (HTTP, DNS at a high level)
  • OOP concepts

Behavioral

  • STAR stories with metrics
  • Conflict resolution
  • Prioritization
  • Learning from failure
  • Teamwork under deadlines

Technical depth (if applicable)

  • Data structures and algorithms
  • Time-space optimization
  • System design fundamentals
  • Behavioral leadership stories

Preparation strategy (timeline)

Run DSA drills daily, practice one system design-lite prompt every two days, and sharpen behavioral narratives with metrics.

  1. 1.Week 1–2: Diagnose weak topics with timed quizzes; fix fundamentals.
  2. 2.Week 3–4: Daily medium DSA; one full mock coding assessment per weekend.
  3. 3.Week 5–6: Mock interviews with verbal narration; record answers and cut filler words.
  4. 4.Week 7+: Mixed panels (tech + behavioral) every 3–4 days; debrief with a simple error log.
  5. 5.Mid-cycle: One weekly retrospective — only redo patterns where you missed twice.
  6. 6.Final week: Two light mocks plus sleep hygiene; avoid brand-new hard topics.
  7. 7.Final 48h: Review your story bank and one page of complexity notes — confidence over volume.

Test your readiness

Can you solve questions asked in Amazon interviews under real clock pressure?

Sample MCQ

In quicksort, choosing a bad pivot each split can degrade time complexity to:

  • O(n)
  • O(n log n)
  • O(n²)
  • O(log n)

Hint: Worst-case partitioning unbalances recursion depth.

Coding-style prompt

Design an approach to merge k sorted arrays of similar size — what trade-off would you highlight for Amazon?

Hint: Heap of size k vs divide-and-conquer; discuss memory and constant factors.

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