Amazon interview questions

Showing 601–630 of 653 results

• Solve Nearby Inventory and Word Segmentation TasksMedium

  Implement two independent tasks: identify stocked centers close enough to a graph destination and return any exact dictionary segmentation of a string. Handle disconnected routes, duplicate edges, missing inventory, repeated suffix work, and large inputs while explaining complexity.

  AmazonSoftware EngineerCoding & AlgorithmsOnsite
• Solve Rotting Oranges and Bus Walk ReachabilityMedium

  This question evaluates graph and grid traversal skills, state modeling over time, and constrained reachability combining free transit edges with Manhattan-distance walking.

  AmazonSoftware EngineerCoding & AlgorithmsOnsite
• Solve Search Insert Position Using Binary SearchMedium

  This question evaluates proficiency in binary search, algorithmic implementation on sorted arrays, and understanding of time complexity and index management.

  AmazonData ScientistCoding & AlgorithmsTechnical Screen
• Solve Shipping and Bundle-Cost ProblemsMedium

  This problem tests your ability to determine the minimum capacity required to complete tasks within a deadline and optimize the cost of purchasing items grouped in bundles.

  AmazonSoftware EngineerCoding & AlgorithmsOnsite
• Solve Three Algorithm VariantsMedium

  This multi-part question evaluates combinatorics and permutation generation, tree traversal and node-relationship classification, and array/sequence processing under bounded-gap constraints, measuring algorithmic design, complexity reasoning, and data-structure manipulation within the Coding & Algorithms domain.

  AmazonSoftware EngineerCoding & AlgorithmsTechnical Screen
• Solve Two OA Algorithm ProblemsMedium

  These two problems evaluate proficiency with greedy algorithms, array manipulation, simulation of stateful processes, and feasibility analysis under capacity constraints.

  AmazonSoftware EngineerCoding & AlgorithmsTechnical Screen
• Solve Two String ProblemsEasy

  This task evaluates string manipulation and encoding for generating unique Morse representations, along with sentence segmentation and combinatorial enumeration for producing all valid word-break sentences, focusing on transformation, deduplication, and decomposition skills.

  AmazonData EngineerCoding & AlgorithmsTechnical Screen
• Solve Union-Find, Graph, and Stream ProblemsMedium

  This question evaluates understanding of disjoint-set (union-find) operations, directed graph processing including cycle detection and ordering, contiguous subarray sum reasoning, and online streaming/anagram detection techniques, emphasizing data structures and algorithmic problem-solving.

  AmazonSoftware EngineerCoding & AlgorithmsOnsite
• Solve a Problem Outside Your Assigned ResponsibilitiesMedium

  Describe initiative beyond assigned work with clear impact, owner coordination, bounded scope, delivery responsibility, and a sustainable handoff.

  AmazonSoftware EngineerBehavioral & LeadershipOnsite
• Solve array and list algorithmsMedium

  This question evaluates proficiency in array and list algorithms, including ordering and counting techniques for relative element ranking, merging multiple sorted inputs, and algorithmic design for a package locker retrieval operation, testing data structure manipulation and retrieval logic.

  AmazonSoftware EngineerCoding & AlgorithmsTechnical Screen
• Solve array duplicates and two-type subarrayEasy

  This problem tests your ability to efficiently detect duplicates using hashing and to apply the sliding window technique to find subarrays that meet specific frequency constraints.

  AmazonSoftware EngineerCoding & AlgorithmsTechnical Screen
• Solve jumps and anagram-similarity problemsMedium

  This two-part question evaluates algorithmic problem-solving skills: Task A focuses on combinatorial optimization and cost-based sequencing under quadratic jump costs, while Task B assesses string multiset reasoning and character-frequency manipulation to determine anagram similarity.

  AmazonSoftware EngineerCoding & AlgorithmsOnline Assessment
• Solve median extremes and segment flipsMedium

  Solve median extremes and segment flips evaluates algorithm design, data structures, correctness, complexity, edge cases, and implementation details in a realistic interview setting. A strong answer states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.

  AmazonSoftware EngineerCoding & AlgorithmsOnline Assessment
• Solve sliding-window and heap problemsMedium

  This question evaluates algorithm design and data structure proficiency, focusing on sliding-window techniques for fixed-length subarray aggregates and heap- or hashmap-based approaches for maintaining medians in a real-time integer stream, along with considerations for concurrent execution.

  AmazonSoftware EngineerCoding & AlgorithmsOnsite
• Solve stock, BFS path, and merge intervalsMedium

  This question evaluates algorithmic problem solving across array scanning, BFS-based constrained shortest-path selection, and interval merging, with emphasis on time/space complexity reasoning, correctness proofs, and thorough edge-case handling. It is commonly asked to assess efficiency guarantees (e.g.

  AmazonData ScientistCoding & AlgorithmsTechnical Screen
• Solve string partition and equal-sum package problemsMedium

  Solve string partition and equal-sum package problems evaluates algorithm design, data structures, correctness, complexity, edge cases, and implementation details in a realistic interview setting. A strong answer states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.

  AmazonSoftware EngineerCoding & AlgorithmsOnline Assessment
• Solve subset-count and kth-factor problemsHard

  This question evaluates algorithm design and analysis skills, including selection under sum constraints with negatives and zeros, streaming and query-preprocessing strategies for repeated budgets, and number-theoretic factor enumeration for large N, all within the Coding & Algorithms domain.

  AmazonData ScientistCoding & AlgorithmsOnline Assessment
• Solve three coding tasks: binary search, tree path, subarrayMedium

  This interview question evaluates algorithm design, data structures, correctness, complexity, edge cases, and implementation details in a realistic interview setting. A strong answer for Solve three coding tasks: binary search, tree path, subarray states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.

  AmazonSoftware EngineerCoding & AlgorithmsOnsite
• Solve tree and DP problemsMedium

  This pair of problems evaluates proficiency with tree data structures and traversal concepts (deepest shared ancestor) and with dynamic programming/state optimization on linear arrays (maximizing non-adjacent house values), assessing algorithmic reasoning, complexity awareness, and data-structure manipulation.

  AmazonSoftware EngineerCoding & AlgorithmsTechnical Screen
• Solve two set and graph problemsMedium

  This question evaluates proficiency in data-structure manipulation (set operations, mapping and deduplication), directed-graph modeling and traversal for reachability, and algorithmic time/space complexity analysis.

  AmazonSoftware EngineerCoding & AlgorithmsOnsite
• Solve two string DP/hash problemsEasy

  This question set evaluates string-processing and algorithmic problem-solving skills, including encoding and transformation for unique representations and dynamic programming, memoization, and backtracking for enumerating all valid segmentations.

  AmazonData ScientistCoding & AlgorithmsTechnical Screen
• Solve two-sum variants at scaleMedium

  This question evaluates array and hashing algorithms, pair-sum reasoning including duplicate handling and lexicographic minimality, streaming and external-memory algorithm design, trade-offs in time/space complexity, and extension to three-sum with deduplication.

  AmazonData ScientistCoding & AlgorithmsOnsite
• Spreadsheet Formulas with Dependency UpdatesMedium

  Design a simplified in-memory spreadsheet supporting direct cell assignment, formula assignment (summation with potential duplicate cell references), and retrieval with dynamic dependency propagation.

  AmazonSoftware EngineerCoding & AlgorithmsOnsite
• Stack Whose Pop Removes the Most Frequent Value, Ties Broken by RecencyMedium

  Phone screen coding problem: process push and pop operations on a stack in which every pop removes the value that currently occurs most often, breaking ties by the tied value closest to the top. It tests designing a data structure that tracks frequency and recency together efficiently.

  AmazonSoftware EngineerCoding & AlgorithmsOnsite
• Stand by a Disputed Technical JudgmentMedium

  This question assesses the candidate's ability to navigate professional disagreement, exercise intellectual humility, and maintain team cohesion while advocating for technical standards.

  AmazonSoftware EngineerBehavioral & LeadershipTechnical Screen
• Step Outside Your Professional Comfort ZoneMedium

  Tell about deliberately stepping outside your professional comfort zone in responsibility, domain, influence, or communication. Explain the real risk, why you accepted it, preparation and feedback, the outcome, and how the experience changed later behavior.

  AmazonSoftware EngineerBehavioral & LeadershipTechnical Screen
• Support a Struggling Teammate Without Sacrificing Team HealthMedium

  This question assesses the candidate's ability to balance individual empathy and mentorship with team productivity and project deadlines, testing their conflict resolution and leadership skills.

  AmazonSoftware EngineerBehavioral & LeadershipTechnical Screen
• Take Initiative on a Customer Pain PointMedium

  Explain customer-focused initiative through direct evidence, a validated problem, a focused change, and confirmation that the customer experience improved.

  AmazonSoftware EngineerBehavioral & LeadershipOnsite
• Taking Ownership of a Technically Risky ProjectHard

  This question tests your ability to identify and mitigate significant technical risks in a project while demonstrating leadership, accountability, and the ability to influence stakeholders.

  AmazonSoftware EngineerBehavioral & LeadershipTechnical Screen
• Test whether two user populations differMedium

  This question evaluates competency in statistical inference and multivariate analysis, covering hypothesis formulation about equal distributions, preprocessing and normalization considerations, choice of statistical tests or modeling approaches, and interpretation of significance and effect size.

  AmazonApplied ScientistMachine LearningOnsite