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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 3691–3720 of 5874 results
- NVIDIAMediumSoftware EngineerMarket a new AI technique
This interview question evaluates requirements, scale assumptions, API/data design, architecture, trade-offs, failure modes, and rollout in a realistic interview setting. A strong answer for Market a new AI technique states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.
System DesignTechnical Screen - NVIDIAMediumSoftware EngineerNormalize an Absolute Unix-Style File Path to Canonical Form
Convert an absolute Unix-style file path into canonical form by collapsing repeated slashes, dropping current-directory markers, applying parent-directory moves that stop at the root, and treating other dot-only names as ordinary directories. Tests careful string parsing and edge-case handling of path components.
Coding & AlgorithmsOther - NVIDIAMediumSoftware EngineerOptimize a small-string C++ class
This question evaluates low-level C/C++ systems programming skills, including memory management, data layout, small-string optimization, efficient copying semantics, alignment/padding, and cache-aware performance reasoning.
Software Engineering FundamentalsOnsite - NVIDIAMediumSoftware EngineerPlan discovery and adoption strategy
This question evaluates a candidate's skills in product discovery, stakeholder alignment, technical communication, and developer adoption strategy for integrating a new ML technique, including defining use cases, constraints, baselines, and success criteria.
Behavioral & LeadershipTechnical Screen - NVIDIAMediumSoftware EngineerReason About Endianness, Ring Buffers, and Stack Behavior in Firmware
Tests firmware-level engineering concepts across low-level binary data parsing, lock-free ring buffer design for ISR-to-thread communication, and static/runtime stack depth analysis under nested interrupts.
Software Engineering FundamentalsTechnical ScreenFirmwareEmbedded SystemsConcurrency - NVIDIAMediumSoftware EngineerReconstruct tree from inorder and postorder
This question evaluates understanding of binary tree traversal relationships, recursive construction techniques, and algorithmic time and space complexity, reflecting core data structures and recursion competencies.
Coding & AlgorithmsTechnical Screen - NVIDIAMediumSoftware EngineerRestaurant Table Reservations: Availability Search and Conflict-Free Booking
System design question asking for a restaurant table reservation service where diners search availability, book, change and cancel, and restaurants manage tables and hours. It tests the data model, preventing double-booking under concurrency, holds and retries, fast availability search and handling booking spikes.
System DesignOther - NVIDIAEasySoftware EngineerReturn all file paths via DFS
This question evaluates understanding of tree traversal and depth-first search along with competence in handling hierarchical data structures and constructing full file paths.
Coding & AlgorithmsTechnical Screen - NVIDIAMediumSoftware EngineerSolve a Difficult Problem and Navigate Disagreement
Assesses technical problem-solving rigor, hypothesis testing, and the ability to resolve technical disagreements using data, empathy, and shared goals.
Behavioral & LeadershipTechnical ScreenBehavioralConflict ResolutionProblem Solving - NVIDIAMediumSoftware EngineerSolve anagram grouping and in-place allocator
This problem tests string hashing/sorting techniques for grouping anagrams and the ability to manage fixed-size memory blocks in-place without auxiliary data structures.
Coding & AlgorithmsTechnical ScreenHash MapsString ManipulationTwo Pointers - NVIDIAMediumSoftware EngineerSolve small string and API tasks
This problem tests your ability to handle nested structural validation using stacks and the design of a robust API integration function that aggregates paginated responses.
Coding & AlgorithmsOnsiteStackStringsAPI - NVIDIAMediumSoftware EngineerSolve unique triplets summing to target
Solve unique triplets summing to target 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.
Coding & AlgorithmsTechnical Screen - NVIDIAMediumSoftware EngineerStreaming Top-K Frequent Elements with O(1) Updates Instead of a Heap
Design a structure that consumes an unbounded stream and reports the K most frequent elements at any time, first with a heap and then with constant-time updates after the interviewer rejects the heap. It tests per-operation cost analysis, data-structure invariants, deterministic tie handling, and extensions to sliding windows, approximate counting, and sharded streams.
Software Engineering FundamentalsOnsite - NVIDIAHardSoftware EngineerVerification Plan for a FIFO, a Round-Robin Arbiter and a Valid/Ready Handshake
A hardware design-verification interview question: plan how to verify a FIFO, a round-robin arbiter and a valid/ready handshake interface. It tests testbench architecture with scoreboards and reference models, constrained-random stimulus, corner cases, SystemVerilog assertions and functional coverage.
Software Engineering FundamentalsOnsite - NVIDIAEasySoftware EngineerWrite SQL to sum city population by name
Assesses SQL proficiency in relational joins and aggregation by asking for a total population computed from ZIP-level data and evaluates reasoning about duplicate entity names.
Software Engineering FundamentalsTechnical Screen - NVIDIAEasySoftware EngineerWrite a Tiny Linux Resource Reporter That Flags Usage Spikes
Write a small Linux agent that reads live CPU, memory and disk usage from kernel-exposed files, reports them as JSON to a collector endpoint over HTTP, and adds a rolling-window check that only flags a sustained resource spike rather than a single noisy reading.
Software Engineering FundamentalsOnsitelinuxsystemshttp - Nash AIMediumSoftware EngineerDesign OOD for probabilistic Minesweeper
Design OOD for probabilistic Minesweeper evaluates requirements, scale assumptions, API/data design, architecture, trade-offs, failure modes, and rollout in a realistic interview setting. A strong answer states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.
System DesignTechnical Screen - Nash AIMediumSoftware EngineerDesign real-time delivery tracking with async updates
This question tests the ability to design a high-throughput, real-time location tracking system that ensures eventual consistency and correct state representation despite network latency and duplicate events.
System DesignTechnical ScreenScalabilityEvent-DrivenCaching - Nash AIMediumSoftware EngineerImplement Minesweeper click and print
Implement Minesweeper click and print 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.
Coding & AlgorithmsTechnical Screen - Nash AIMediumSoftware EngineerImplement Minesweeper click-to-reveal expansion
This problem tests your ability to implement recursive traversal (flood-fill) on a 2D grid and manage game state transitions based on player input.
Coding & AlgorithmsTechnical ScreenDFSBFSMatrix - NavanMediumSoftware EngineerHow to answer frontend video-screen behavioral prompts
This question evaluates frontend engineering expertise, communication and collaboration skills, and domain-specific competencies such as Angular and scalable SaaS web application experience.
Behavioral & LeadershipOnsite - NavanMediumSoftware EngineerModel booking auxiliary comments with admin updates
This question evaluates object-oriented data modeling, access-control and auditability considerations, and scalable batch-update strategies for reservation-related metadata like auxiliary comments.
System DesignOnsite - NebiusMediumSoftware EngineerSolve four coding problems
This set of problems evaluates algorithmic problem-solving skills focused on array and string manipulation, frequency and multiset reasoning, sliding-window and coverage concepts, and combinatorial counting for palindromability.
Coding & AlgorithmsOnline Assessment - NetappMediumSoftware EngineerDesign a Production Retrieval-Augmented Generation Pipeline
This problem tests the ability to design an end-to-end RAG system, focusing on document processing, embedding strategies, retrieval mechanisms, and ensuring accuracy through grounding.
ML System DesignOnsiteRAGLLMVector Database - NetappMediumSoftware EngineerDesign an Ordering Service That Prevents the Last Item from Being Oversold
This question tests the ability to design a high-concurrency reservation system that prevents race conditions and overselling using database transactions and distributed locking strategies.
System DesignOnsiteConcurrencyDistributed SystemsDatabase Transactions - NetappMediumSoftware EngineerIdentify the Orchestrator in a Server Connection Graph
This problem tests graph theory fundamentals by identifying a central hub node in a star-topology network using adjacency properties.
Coding & AlgorithmsOnsiteGraph TheoryData StructuresAlgorithms - NetappMediumSoftware EngineerMerge Two Sorted Singly Linked Lists
This problem tests the ability to manipulate pointers in a singly linked list to perform an in-place merge of two sorted lists.
Coding & AlgorithmsOnsiteLinked ListsPointersRecursion - NetappMediumSoftware EngineerPrioritize Several Simultaneous High-Priority Tasks
This question assesses the candidate's ability to manage competing project demands, utilize objective criteria for prioritization, and communicate effectively with stakeholders under pressure.
Behavioral & LeadershipOnsitePrioritizationCommunicationConflict Resolution - NetappMediumSoftware EngineerRank Teams from Ballot Preferences
This problem tests your ability to manage multi-level sorting criteria by implementing custom comparison logic for an array of preference rankings.
Coding & AlgorithmsOnsiteSortingHash MapGreedy - NetappMediumSoftware EngineerResolve a Conflict Within an Engineering Team
This question assesses the candidate's ability to navigate technical or process-related disagreements within a team, focusing on conflict resolution strategies, interpersonal communication, and long-term project outcomes.
Behavioral & LeadershipOnsiteConflict ResolutionSoft SkillsTeamwork