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Software Engineer Interview Questions
Practice 9403 coding, system design and machine learning questions from 546 companies, sorted by role, topic and interview round. Every question has step-by-step hints, a code runner that supports 8 languages and an AI mentor; members also get the full solution walkthrough.
- 9403
- Questions
- 546
- Companies
- 11
- Topics
- 8
- Languages
Showing 91–120 of 2810 results
- AmazonHardSoftware EngineerAnswer Dive Deep and Ownership in LP interview
This question evaluates a candidate's competency in debugging complex production issues, root cause analysis, operational ownership, cross-team coordination, and incident management within the behavioral and leadership domain.
Behavioral & LeadershipTechnical Screen - AmazonEasySoftware EngineerAnswer Leadership and GenAI Behavioral Questions
This set of prompts evaluates leadership, communication, problem-solving, adaptability, learning agility, and hands-on experience with generative AI, including skills in validating outputs and improving workflows.
Behavioral & LeadershipTechnical Screen - AmazonMediumSoftware EngineerAnswer a large batch of variable-ratio queries from division equations
Given division equations between named variables and their values, answer a large batch of ratio queries, returning -1.0 whenever a ratio cannot be determined. It tests chaining ratios through shared variables, handling unknown and disconnected variables, and reusing work across many queries, the scale follow-up raised in the interview.
Coding & AlgorithmsTechnical Screen - AmazonHardSoftware EngineerAnswer common Amazon behavioral questions
This question evaluates behavioral competencies and leadership skills, focusing on individual problem-solving, team motivation, communication, and cultural fit through structured storytelling of past experiences.
Behavioral & LeadershipTechnical Screen - AmazonHardSoftware EngineerAnswer common internship behavioral questions
This question evaluates behavioral competencies including motivation and cultural fit, role-specific interest, decision-making under time pressure, prioritization, and deadline management.
Behavioral & LeadershipTechnical Screen - AmazonMediumSoftware EngineerAnswer common leadership prompts
This question evaluates leadership, communication, teamwork, ownership, feedback handling, problem-solving, and time-management competencies through behavioral examples.
Behavioral & LeadershipTechnical Screen - AmazonMediumSoftware EngineerAnswer two coding questions (SQL and DP)
This problem tests SQL data aggregation skills with NULL handling and algorithmic proficiency in dynamic programming to count palindromic subsequences in a string.
Coding & AlgorithmsTechnical ScreenSQLDynamic ProgrammingAggregation - AmazonMediumSoftware EngineerArchitect an AI Chatbot for Enterprise Users
This question tests your ability to design a scalable, enterprise-grade AI chatbot system that handles high throughput, ensures data privacy, and integrates with existing business data stores.
System DesignTechnical ScreenRAGScalabilityAccess Control - AmazonMediumSoftware EngineerBrainstorm a business problem approach
Brainstorm a business problem approach evaluates metric design, causal reasoning, experiment setup, diagnostics, SQL/statistical checks, and recommendations in a realistic interview setting. A strong answer states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.
Analytics & ExperimentationTechnical Screen - AmazonMediumSoftware EngineerBuild a BFS Web Crawler
This question evaluates understanding of breadth-first traversal, URL normalization, domain scoping, duplicate detection, and retry/error handling, measuring algorithmic design and robustness in networked code.
Coding & AlgorithmsTechnical Screen - AmazonMediumSoftware EngineerBuild a responsive grid of fixed boxes
This problem tests your proficiency in creating responsive UI layouts using CSS Flexbox or Grid and your ability to optimize rendering performance for large datasets using virtualization or efficient list rendering.
Software Engineering FundamentalsTechnical ScreenReactCSS GridFrontend - AmazonMediumSoftware EngineerCaesar Cipher with Translation-Table Optimization
This question tests string manipulation, modular arithmetic, and the ability to optimize performance by trading space for time using a precomputed lookup table.
Coding & AlgorithmsTechnical ScreenStringsOptimizationAlgorithms - AmazonMediumSoftware EngineerCalculate Circular Route Query Distance
This question evaluates a candidate's ability to reason about circular arrays, distance computations, and query-efficient algorithms, assessing concepts such as modular indexing and cumulative distances.
Coding & AlgorithmsTechnical Screen - AmazonEasySoftware EngineerCheck a Palindrome While Ignoring Case and Punctuation
Tests string manipulation and two-pointer traversal techniques to verify if a string is a palindrome while ignoring non-alphanumeric characters and case.
Coding & AlgorithmsTechnical ScreenStringsTwo PointersEasy - AmazonEasySoftware EngineerClarify internship availability and conversion
This question evaluates a candidate's clarity about availability, logistical constraints, and intent to convert an internship into a full-time role, testing communication of exact dates, work authorization, relocation, and academic conflicts.
Behavioral & LeadershipTechnical Screen - AmazonMediumSoftware EngineerCompute Edit Distance
Tests dynamic programming and string manipulation by calculating the minimum number of single-character edits (insertions, deletions, substitutions) needed to transform one string into another.
Coding & AlgorithmsTechnical ScreenDynamic ProgrammingStringsAlgorithms - AmazonMediumSoftware EngineerCompute Latencies and Search Grid Path
This question evaluates parsing and processing of timestamped event logs to compute message latencies and implementation of constrained grid path search, testing competencies in file I/O, record alignment/matching, time-delta computation, graph traversal, and stateful backtracking.
Coding & AlgorithmsTechnical Screen - AmazonMediumSoftware EngineerCompute peak parking lot occupancy intervals
This question evaluates a candidate's competency in temporal interval reasoning, event-stream processing, and handling incomplete or unsorted logs to determine peak concurrent occupancy.
Coding & AlgorithmsTechnical Screen - AmazonMediumSoftware EngineerCompute shortest path with obstacles
This interview question evaluates algorithm design, data structures, correctness, complexity, edge cases, and implementation details in a realistic interview setting. A strong answer for Compute shortest path with obstacles states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.
Coding & AlgorithmsTechnical Screen - AmazonEasySoftware EngineerCompute the Minimum Number of Meeting Rooms
This problem tests your ability to manage overlapping time intervals efficiently, requiring an understanding of sorting or priority queues to track resource utilization.
Coding & AlgorithmsTechnical ScreenSortingIntervalsGreedy - AmazonMediumSoftware EngineerCompute total revenue from greedy VM rentals
This problem tests your ability to use greedy strategies combined with efficient data structures to manage resource allocation and optimize revenue based on priority-based demand.
Coding & AlgorithmsTechnical ScreenGreedyData StructuresHeap - AmazonMediumSoftware EngineerCompute tree diameter
This question evaluates understanding of binary tree algorithms, recursion versus iterative traversal strategies, and competence in algorithmic analysis including time and space complexity and handling deep-recursion stack overflow when computing a tree's diameter.
Coding & AlgorithmsTechnical Screen - AmazonMediumSoftware EngineerCompute unique visitors per department from clicks
This question evaluates a candidate's skill in data manipulation and deduplication using SQL/Python, specifically mapping hierarchical product metadata to departments and computing unique user counts without double-counting, and is categorized under Data Manipulation (SQL/Python).
Data Manipulation (SQL/Python)Technical Screen - AmazonMediumSoftware EngineerControl Robot Charging with Repeated Polling and Exclusive Station Assignments
Design a repeatedly invoked robot-charging controller with strict battery thresholds, exclusive station assignments, waiting robots, and safe command retries.
Software Engineering FundamentalsTechnical Screen - AmazonMediumSoftware EngineerCount Connected Components in an Undirected Graph
This question tests the ability to traverse an undirected graph using graph search algorithms to identify and count disjoint subgraphs.
Coding & AlgorithmsTechnical ScreenGraphsBFSDFS - AmazonMediumSoftware EngineerCount Customers Who Visited on Multiple Dates
Tests data manipulation, hash set/map aggregation, and date deduplication to identify users with repeat visits across distinct calendar days.
Coding & AlgorithmsTechnical ScreenHash TableCountingString - AmazonMediumSoftware EngineerCount regions with DFS
This question evaluates proficiency in graph traversal and grid-based connected-component detection using depth-first search on a binary m x n grid, along with algorithmic complexity analysis and techniques to avoid revisiting cells.
Coding & AlgorithmsTechnical Screen - AmazonHardSoftware EngineerCount unique Morse-code word transformations
This question evaluates a candidate's ability to implement string transformations based on a fixed character-to-code mapping and to identify distinct results, testing competencies in encoding, string manipulation, and deduplication.
Coding & AlgorithmsTechnical Screen - AmazonMediumSoftware EngineerCourse Prerequisite Feasibility
This question tests the ability to detect cycles in a directed graph to determine if a set of academic courses with prerequisite constraints can be completed.
Coding & AlgorithmsTechnical ScreenGraphDFSTopological Sort - AmazonMediumSoftware EngineerCreate a Binary Tree from Parent-Child Descriptions
Construct one valid binary tree from unordered parent-child descriptions that identify left and right links. Reuse node identities across records, support children appearing before parents, and return the unique root.
Coding & AlgorithmsTechnical Screen
Amazon