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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.
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Showing 2401–2430 of 5874 results
- GoogleMediumSoftware EngineerGenerate Every Ordered Sum Using Ones and Twos
Tests backtracking and recursion to generate all valid ordered compositions of a target integer using only digits 1 and 2 in lexicographical order.
Coding & AlgorithmsOnsiteRecursionBacktrackingCombinatorics - GoogleMediumSoftware EngineerGrid Reachability From Start to Target With Impassable Water Cells
Decide whether a start cell can reach a target cell in a square grid when some cells are water and moves are limited to up, down, left and right. It tests modeling a grid as a graph, choosing a traversal, and handling walled-off regions and grid edges correctly.
Coding & AlgorithmsOnsite - GoogleMediumSoftware EngineerHandle Policy, Confidentiality, Integrity, and Conflict-of-Interest Scenarios
Tests ethical decision-making, conflict-of-interest disclosure, data confidentiality adherence, and principled stakeholder communication under delivery pressure.
Behavioral & LeadershipHR ScreenBehavioralEthics & IntegrityConflict of Interest - GoogleMediumSoftware EngineerHandle Teammate Who Feels Pressured
This question evaluates interpersonal communication, conflict resolution, and leadership competencies, focusing on handling underperformance and interpersonal tension within a technical team.
Behavioral & LeadershipTechnical Screen - GoogleMediumSoftware EngineerHandle conflict, priorities, and ownership scenarios
This prompt evaluates behavioral leadership competencies—conflict resolution, stakeholder management, prioritization under tight deadlines, ownership and accountability, and the ability to synthesize differing perspectives—within a software engineering context.
Behavioral & LeadershipTechnical Screen - GoogleMediumSoftware EngineerHandle overwhelmed team as senior manager
This interview question evaluates behavioral evidence, ownership, communication, trade-offs, and measurable outcomes in a realistic interview setting. A strong answer for Handle overwhelmed team as senior manager states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.
Behavioral & LeadershipOnsite - GoogleMediumSoftware EngineerHandle teamwork, prioritization, and feedback scenarios
This question evaluates teamwork, prioritization, conflict resolution, mentoring, feedback delivery, and time-management competencies for a software engineering role in the Behavioral & Leadership category.
Behavioral & LeadershipTechnical Screen - GoogleHardSoftware EngineerHandle two teams duplicating work
This question evaluates leadership competencies such as cross-team communication, stakeholder alignment, prioritization, and conflict-resolution skills.
Behavioral & LeadershipTechnical Screen - GoogleMediumSoftware EngineerHandling Someone Taking Credit for Your Work and Juggling Competing Priorities
A two-part behavioral interview asking how you would handle a colleague taking credit for your work, and how you manage your time and coordinate with others when juggling several tasks with different priorities. It evaluates conflict resolution, communication and prioritization judgment.
Behavioral & LeadershipOnsite - GoogleMediumSoftware EngineerHandling an Ambiguous "Family Tree" Prompt
This question evaluates a candidate's competency in handling ambiguous requirements, focusing on requirement elicitation, clarification, incremental delivery, documentation, and risk management within a family-tree prompt.
Behavioral & LeadershipTechnical Screen - GoogleMediumSoftware EngineerHow Would You Verify a Smiling-Face Detection Feature in Google Photos?
A role-related question for software engineers: if your feature detects smiling faces in Google Photos, how would you verify that the detection is correct? It tests defining ground truth, choosing evaluation metrics and thresholds, covering hard cases and demographic slices, and validating the feature before and after launch.
Machine LearningTechnical Screen - GoogleMediumSoftware EngineerHow You Handle a Project With Unclear Scope and High Ambiguity
A behavioral question asks how you handle a project whose scope is unclear or highly ambiguous. It tests how you clarify goals with stakeholders, decide which unknowns to resolve first, make progress on documented assumptions, communicate changes, and back your approach with a real example.
Behavioral & LeadershipTechnical Screen - GoogleMediumSoftware EngineerHow You Prioritize When You Have a Large Amount of Work
A behavioral interview question asking how you prioritize when you have a large amount of work, illustrated with a real example. It tests the criteria you use to order work, how you handle dependencies and conflicting requests, what you choose to defer, and how you communicate those trade-offs.
Behavioral & LeadershipOnsite - GoogleMediumSoftware EngineerHow do you handle conflict and ambiguity?
This question evaluates a candidate's conflict resolution, communication, teamwork, leadership, ethical judgment, influence, and adaptability skills in a software engineering context.
Behavioral & LeadershipOnsite - GoogleMediumSoftware EngineerHow do you handle credit, leadership, and feedback?
This question evaluates collaboration, ownership, conflict management, influence without authority, leadership/mentorship, and feedback skills within the Behavioral & Leadership domain for software engineering roles, emphasizing practical application through concrete examples rather than purely conceptual understanding.
Behavioral & LeadershipTechnical Screen - GoogleHardSoftware EngineerHow do you handle workplace conflict scenarios?
This question evaluates interpersonal and leadership competencies, including communication, conflict resolution, de-escalation, stakeholder alignment, and maintaining team collaboration.
Behavioral & LeadershipTechnical Screen - GoogleMediumSoftware EngineerHow to handle huge inputs?
Answer the coding interview follow-up "what if the input is huge?" Covers memory checks, streaming, chunking, external sort, approximate structures, distributed processing, and engineering tradeoffs.
Software Engineering FundamentalsOnsite - GoogleMediumSoftware EngineerHow to host many domains on one IP?
Evaluates knowledge of DNS, HTTP/HTTPS request routing, TLS certificate management, and operational/security trade-offs when hosting multiple domains on a single public IP. Commonly asked to probe architectural reasoning and practical deployment trade-offs in the System Design domain at an architectural/operational level of abstraction.
System DesignTechnical Screen - GoogleEasySoftware EngineerHow would you lead a team through delivery issues?
This question evaluates leadership and team-management competencies—including delegation, prioritization, conflict resolution, and feedback communication—within a software engineering context and the Behavioral & Leadership interview category.
Behavioral & LeadershipTechnical Screen - GoogleEasySoftware EngineerImplement Batched Undo/Redo Layer
This question evaluates understanding of state management, undo/redo semantics, batched transactional edits, and memory-efficient change history representation for map-based document layers.
Coding & AlgorithmsTechnical Screen - GoogleMediumSoftware EngineerImplement Checksums and Feature Rollout Evaluation
This question evaluates string processing, checksum computation with modular indexing, parsing of dependency data, and business-logic evaluation for feature rollouts, including conditional eligibility checks and dependency resolution.
Coding & AlgorithmsOnline Assessment - GoogleHardSoftware EngineerImplement Longest-Match Text Replacement
This question evaluates string processing, pattern matching, greedy algorithm reasoning, and data structure design for efficient longest-prefix token replacement, and is categorized under Coding & Algorithms.
Coding & AlgorithmsTechnical Screen - GoogleMediumSoftware EngineerImplement Multi-Player Tic-Tac-Toe
This problem tests object-oriented design and grid traversal logic by requiring the implementation of a generic N-player Tic-Tac-Toe game where win conditions are evaluated based on a specific run-length.
Coding & AlgorithmsOnsiteOOPGridGame Design - GoogleMediumSoftware EngineerImplement Trie Insert and Exact-Word Search
Implement trie insertion and exact-word search for up to a million total characters, distinguishing terminal words from mere prefixes and returning search results in operation order.
Coding & AlgorithmsTechnical Screen - GoogleHardSoftware EngineerImplement a Lazy Tee Iterator in Python
This problem tests your understanding of iterator protocols, generator patterns, and memory-efficient data buffering for multi-consumer streams.
Software Engineering FundamentalsTechnical ScreenPythonIteratorsGenerators - GoogleMediumSoftware EngineerImplement a Reusable Locker Allocation System
Design and implement a locker bank management system that assigns the lowest available locker index, handles invalid store and pickup operations, releases lockers immediately, and tracks the last package successfully stored in each locker.
Coding & AlgorithmsTechnical Screenheaphash-tabledesign - GoogleHardSoftware EngineerImplement a URL router that matches request paths against patterns with placeholders
Implement a URL router that registers path patterns with placeholder segments such as {userId} and returns the registered pattern that matches a concrete request path. It tests choosing a segment-level data structure, defining precedence between literal and placeholder matches, and analyzing registration and lookup complexity.
Software Engineering FundamentalsOnsite - GoogleMediumSoftware EngineerImplement an HTTP Router That Resolves Handlers for Paths with Named Parameters
Implement an HTTP router that registers handlers for path patterns, some with named parameters and some without, and looks up the handler and parameter values for a request path. It tests data structure choice, precedence between fixed and parameterized segments, conflict handling and lookup complexity.
Software Engineering FundamentalsTechnical Screen - GoogleMediumSoftware EngineerImplement an LRU cache
This question evaluates competency in data structure design and algorithmic complexity by requiring a bounded key-value cache with O(1) average-time get and put operations.
Coding & AlgorithmsOnsite - GoogleMediumSoftware EngineerImplement frequency + distance top‑K queries
This pair of problems evaluates algorithmic and data-structure skills including frequency counting, multi-criteria ordering and selection for top-K results, geometric distance computation for tie-breaking, and time-indexed storage with nearest-timestamp retrieval.
Coding & AlgorithmsTechnical Screen
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