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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 571–600 of 3640 results
- AppleMediumSoftware EngineerValidate and Assess Performance Benchmarks
Assess QA benchmark validity using comparable baselines, measurement variation, practical impact, and clear ownership of regression thresholds and known issues.
Software Engineering FundamentalsOnsite - AppleMediumSoftware EngineerVertical Order Traversal of a Binary Tree
This problem tests your ability to map tree nodes to a 2D coordinate system and group them based on their horizontal distance from the root, followed by specific sorting criteria.
Coding & AlgorithmsOnsiteBinary TreeHash TableSorting - AppleMediumSoftware EngineerWalk Through Your Hardest Debugging Investigation
This question assesses your systematic problem-solving process, technical depth, and ability to learn from high-pressure production incidents.
Behavioral & LeadershipOnsiteBehavioralDebuggingProduction - AppleMediumSoftware EngineerWork Productively with Someone Who Disagrees
This question assesses a candidate's ability to navigate professional conflict by prioritizing team objectives over personal ego and maintaining effective working relationships.
Behavioral & LeadershipOnsiteCommunicationConflict ResolutionCollaboration - AppleEasyData ScientistWrite queries to compute salary and budget stats
This set of tasks evaluates data manipulation and analytical competencies, specifically the ability to compute order-statistics on numeric columns, perform relational joins to enrich event records, and reason about constrained selection for maximizing hires using SQL and pandas.
Data Manipulation (SQL/Python)Onsite - Applied IntuitionMediumSoftware EngineerBuild an Ingestion Service and Timestamp-Indexed Query API for MCAP Driving Logs
A hands-on build exercise over recorded vehicle drive logs stored in MCAP, with Protobuf-encoded camera and location messages. The candidate ingests the runs, designs storage and a time index, exposes APIs to list runs and query messages by timestamp, then demos the result and explains how they worked with an AI coding assistant.
Software Engineering FundamentalsOnsite - Applied IntuitionMediumSoftware EngineerBuild and present a minimal vehicle log playback app from S3 data in two hours
Given two hours, an AI coding assistant and an S3 bucket of unfamiliar vehicle log data, build a minimal 3D log playback app and then present it in 30 minutes. The exercise tests data exploration, tight scoping, verifying AI-generated code, and explaining trade-offs and future work clearly.
Software Engineering FundamentalsOnsite - Applied IntuitionMediumSoftware EngineerCompress vertices into uniques and indices
This question tests the ability to efficiently identify unique elements in a sequence while maintaining their original relative order, mapping them to integer indices to compress a large dataset.
Coding & AlgorithmsOnsiteHashingData StructuresOptimization - Applied IntuitionHardSoftware EngineerDesign a job scheduler
This question evaluates competency in designing scalable, durable distributed job schedulers, covering multi-tenant architecture, queuing and metadata persistence, execution semantics, idempotency, retries/dead-lettering, failure handling, and observability.
System DesignOnsite - Applied IntuitionEasySoftware EngineerDesign a mini compiler/interpreter
This question evaluates understanding of language design and implementation skills, including lexical analysis, parsing into an AST, expression evaluation with operator precedence and unary operators, variable assignment semantics, and runtime error reporting.
Software Engineering FundamentalsOnsite - Applied IntuitionMediumSoftware EngineerDesign a nested transaction store
This question evaluates understanding of transactional state management, nested transaction semantics, scope resolution, and data-structure design for an in-memory key–value store.
Coding & AlgorithmsOnsite - Applied IntuitionMediumSoftware EngineerDesign a real-time 3D playback system for recorded vehicle logs
Design a system that plays recorded vehicle log data back as a smooth, seekable 3D scene without downloading the whole log first. It tests chunked, time-indexed streaming, prefetching and caching around the playhead, aligning data streams of different rates, and handling heavy sensor data at scale.
System DesignOnsite - Applied IntuitionMediumSoftware EngineerDesign a simulator to replay left-turn videos
This question assesses the ability to architect a high-throughput simulation system capable of retrieving, syncing, and replaying synchronized sensor data streams for autonomous vehicle testing.
System DesignOnsiteData StreamingStorage OptimizationLatency - Applied IntuitionMediumSoftware EngineerExplain potential reason for PIP risk
This question evaluates a candidate's self-assessment, accountability, communication, and early risk-identification competencies in the context of individual performance and team dynamics for a Software Engineer role within the Behavioral & Leadership domain.
Behavioral & LeadershipOnsite - Applied IntuitionEasySoftware EngineerFind intersection of two line segments
This question evaluates a candidate's skills in computational geometry and numerical robustness, focusing on line-segment intersection reasoning, endpoint touching, collinearity, and precision handling.
Coding & AlgorithmsOnsite - Applied IntuitionEasySoftware EngineerGroup duplicate files by content
This question evaluates understanding of file deduplication, efficient I/O and hashing strategies, streaming large-file processing, and scalable algorithm design for identifying files with identical byte-for-byte contents.
Coding & AlgorithmsOnsite - Applied IntuitionMediumSoftware EngineerImplement a fixed-capacity generic circular buffer
This question tests the ability to implement a space-efficient data structure using fixed-size arrays, modular arithmetic for index wrapping, and generic type constraints.
Coding & AlgorithmsOnsiteData StructuresArraysGenerics - Applied IntuitionMediumSoftware EngineerImplement a nested object validator
This question evaluates proficiency in nested data validation, schema interpretation, and type checking for hierarchical objects, including handling nulls, arrays, extra fields, and clear error reporting.
Data Manipulation (SQL/Python)Onsite - Applied IntuitionMediumSoftware EngineerImplement a single-thread task scheduler API
This problem tests your ability to design a priority-based scheduler using a min-heap to manage tasks triggered by relative or absolute timestamps, ensuring execution occurs in the correct temporal order.
Coding & AlgorithmsOnsiteData StructuresPriority QueueAlgorithms - Applied IntuitionMediumSoftware EngineerMission motivation and a walkthrough of your school, major and job decisions
Two behavioral prompts from one interview loop: a short self-introduction that turns into why the company's mission interests you, and a walkthrough of your school, major and job decisions covering why you chose each, the alternatives you had and what you learned. It tests motivation, judgment and self-reflection.
Behavioral & LeadershipOnsite - ArmMediumBackend EngineerDescribe leadership, AI perspective, and challenges
This question evaluates leadership, communication, problem-solving, resilience, and the ability to articulate ethical and strategic perspectives on AI as they relate to engineering work.
Behavioral & LeadershipOnsite - ArmMediumBackend EngineerExplain timing and testability concepts
This question evaluates a candidate's understanding of digital timing and testability concepts—specifically setup and hold timing, clock skew impacts, mitigation of setup/hold violations, and test methodologies such as scan, DFT and MBIST—within backend digital implementation contexts.
Software Engineering FundamentalsOnsite - AsanaMediumSoftware EngineerAnswer Manager Behavioral Prompts
This question evaluates leadership, communication, mentorship, conflict-resolution, and ownership competencies by prompting examples of project contribution, mentoring, stakeholder conflict handling, and system or process improvements.
Behavioral & LeadershipOnsite - AsanaMediumSoftware EngineerCompute Products Excluding Each Index
This question evaluates array manipulation skills, arithmetic reasoning with cumulative products, edge-case handling for zeros and negative numbers, and time/space complexity optimization for in-place or constant-extra-space algorithms.
Coding & AlgorithmsOnsite - AsanaMediumSoftware EngineerDescribe mentorship, conflict, and project impact
This question evaluates leadership and interpersonal competencies—mentorship, conflict resolution, communication, ownership, and impact articulation—along with judgment about technical and product trade-offs, and it is categorized under Behavioral & Leadership for software engineering roles.
Behavioral & LeadershipOnsite - AsanaMediumSoftware EngineerDesign a 2048 Game
This question evaluates object-oriented design, state management, deterministic randomness handling, and algorithmic reasoning for implementing game rules on a configurable N x N grid.
Software Engineering FundamentalsOnsite - AsanaMediumSoftware EngineerDesign a Collaborative Todo List
This question evaluates system-design skills for building real-time collaborative applications, covering data modeling, read/write paths, real-time synchronization, concurrent edits and reordering semantics, permission models, and consistency trade-offs within the System Design domain.
System DesignOnsite - AsanaMediumSoftware EngineerDesign a Layered ASCII Canvas Command Processor
Design a clean, object-oriented command processor for a fixed 10x6 ASCII canvas that supports drawing, layering, and rendering overlapping filled rectangles.
Software Engineering FundamentalsOnsiteObject-Oriented DesignData StructuresSoftware Architecture - AsanaMediumSoftware EngineerFind frequent IPs from a huge file
This question evaluates a candidate's competency in large-scale data processing and algorithm design, focusing on memory- and disk-constrained frequency estimation, streaming and approximation concepts.
Software Engineering FundamentalsOnsite - AsanaMediumSoftware EngineerImplement an ASCII Art Printer
This question evaluates the ability to implement text rendering and string/array manipulation concepts, including glyph concatenation with inter-character spacing, newline-preserved blocks, blank glyph rendering for spaces, and handling of unsupported characters.
Coding & AlgorithmsOnsite
Apple
Applied Intuition
Arm
Asana