System Design interview questions

Showing 721–750 of 1311 results

• Design a Ticketmaster-like ticketing systemMedium

  This problem tests your ability to design a high-concurrency reservation system that prevents overbooking while ensuring fairness and low latency during peak traffic.

  MicrosoftSoftware EngineerSystem DesignOnsite
• Design a To-Do List Service (CRUD, Auth, Rate Limiting, Caching & API Versioning)Medium

  This question tests the ability to design a scalable, multi-tenant To-Do service, focusing on API versioning, authentication, rate limiting, and data integrity.

  MicrosoftSoftware EngineerSystem DesignTechnical Screen
• Design a URL Shortener (High-Level and Low-Level Design)Medium

  This question tests the ability to design a distributed, scalable URL shortening service by addressing key generation strategies, storage schema, and caching policies.

  MicrosoftSoftware EngineerSystem DesignTechnical Screen
• Design a URL Shortening ServiceMedium

  This question tests the ability to design a distributed, scalable system for mapping long URLs to short aliases, focusing on hash generation, storage strategy, and performance optimization.

  MicrosoftSoftware EngineerSystem DesignOnsite
• Design a Voice and Chat AI Receptionist PlatformMedium

  Design a multi-tenant voice/chat AI receptionist with approved knowledge, authorized actions, interruption handling, and real human conversation takeover.

  MicrosoftSoftware EngineerSystem DesignOnsite
• Design a Windows App Notification System While Working With an AI AssistantMedium

  A system design exercise to design the Windows notification platform that lets many applications post, update and display notifications, completed with an AI assistant. It tests component design, isolation between apps, user controls and load handling, plus how well the candidate prompts, refines and critically evaluates AI output.

  MicrosoftSoftware EngineerSystem DesignOnsite
• Design a cloud console main pageMedium

  This question evaluates a candidate's understanding of designing a secure, multi-tenant cloud console main page, emphasizing authentication, authorization/permissions (including RBAC and scoped roles), audit logging, end-to-end request flow, and scaling for low-latency and high availability.

  MicrosoftSoftware EngineerSystem DesignOnsite
• Design a high-level logging systemMedium

  This System Design question evaluates a candidate's ability to design scalable, reliable centralized logging and observability infrastructure, covering distributed systems concepts such as ingestion, durable storage, querying/indexing, access control, and multi-tenant separation.

  MicrosoftSoftware EngineerSystem DesignTechnical Screen
• Design a high-scale URL shortenerMedium

  This problem tests your ability to design a distributed, highly available URL shortening service that manages massive read-heavy traffic and ensures low-latency redirection.

  MicrosoftSoftware EngineerSystem DesignOnsite
• Design a job scheduler ETL pipeline systemHard

  This question tests the ability to design a distributed, fault-tolerant job orchestration system capable of handling complex task dependencies, retries, and high-throughput data processing.

  MicrosoftSoftware EngineerSystem DesignOnsite
• Design a live sports score search feature with near-real-time score updatesMedium

  A system design exercise for a sports app's search feature that returns matching games with live, continuously updating scores. It probes requirement precision such as an explicit update-delay target, relational versus NoSQL storage choices, live update delivery, and high availability during traffic spikes.

  MicrosoftSoftware EngineerSystem DesignOnsite
• Design a pipeline that ingests a live data stream and powers real-time chartsMedium

  A high-level design question about ingesting a continuous stream of timestamped events and showing it on dashboards whose charts update live. It examines stream processing, aggregation and downsampling, late-event handling, storage for recent and historical data, and the ability to present a design clearly without a diagram.

  MicrosoftSoftware EngineerSystem DesignOnsite
• Design a replicated cloud storage serviceHard

  This problem tests your ability to design a distributed, highly available object storage system by addressing metadata management, data consistency, and replication strategies.

  MicrosoftSoftware EngineerSystem DesignTechnical Screen
• Design a replicated key-value store with quorumsMedium

  This question evaluates understanding of replication, quorum protocols, data partitioning, consistency models, failure detection and recovery, and conflict resolution in distributed key–value stores.

  MicrosoftSoftware EngineerSystem DesignOnline Assessment
• Design a simple API rate limiterHard

  This problem tests the ability to design a distributed rate-limiting service that maintains low latency and high accuracy across multiple application server instances.

  MicrosoftSoftware EngineerSystem DesignOnsite
• Design a typeahead search serviceHard

  This question evaluates competency in large-scale system design, including scalable data modeling, low-latency prefix lookup, ranking and personalization strategies, API design, caching, and trade-off analysis.

  MicrosoftSoftware EngineerSystem DesignTechnical Screen
• Design an Ad Impression Reconciliation and Aggregation ServiceMedium

  This problem tests the ability to design a distributed, idempotent pipeline that reconciles inconsistent event streams into a consistent, aggregated state for billing and analytics.

  MicrosoftSoftware EngineerSystem DesignTechnical Screen
• Design an Event Booking SystemMedium

  This question tests the ability to design a high-concurrency booking system, focusing on preventing double-bookings, managing seat availability, and ensuring atomic transactions.

  MicrosoftSoftware EngineerSystem DesignOnsite
• Design an Online Tic-Tac-Toe Service with REST-Only APIs, Matchmaking and Multi-RegionMedium

  Design an online two-player Tic-Tac-Toe service where clients may only use REST APIs, with online matchmaking, scalability and expansion to multiple regions. It tests server-authoritative game state, propagating moves without server push, race-free player pairing, and deciding which data stays region-local.

  MicrosoftSoftware EngineerSystem DesignOnsite
• Design an image upload/download serviceHard

  This question evaluates a candidate's competency in system design, distributed storage and processing, API design, scalability, security, reliability, and observability for production-grade services.

  MicrosoftSoftware EngineerSystem DesignOnsite
• Design an online ticket booking systemMedium

  This question tests the ability to design a distributed system that manages high-concurrency inventory, specifically focusing on consistency models, race condition prevention during seat selection, and reliable payment processing.

  MicrosoftSoftware EngineerSystem DesignTechnical Screen
• Design chat and online chessMedium

  This problem tests your ability to design a distributed system that supports low-latency, real-time interactions for both chat messaging and synchronized game state for a chess platform.

  MicrosoftMachine Learning EngineerSystem DesignOnsite
• Design device telemetry pipeline for real-time and batchMedium

  This question evaluates a candidate's competency in distributed systems architecture, data engineering, and operational trade-offs involved in designing telemetry pipelines that support both near-real-time and batch analytics.

  MicrosoftSoftware EngineerSystem DesignOnline Assessment
• Design read-heavy org chart subordinate countsMedium

  Evaluates understanding of tree/graph data modeling, dynamic indexing, and consistency and concurrency control for maintaining aggregate subordinate counts under updates; Category/Domain: System Design.

  MicrosoftSoftware EngineerSystem DesignOnsite
• Design streaming error-log counting with moving averageMedium

  This question evaluates understanding of real-time stream processing concepts such as event filtering, stateful per-service counting, sliding-window moving averages, late-event handling, scalability, and fault-tolerant state management for monitoring and alerting.

  MicrosoftSoftware EngineerSystem DesignOnline Assessment
• Experimentation Platform: Sync vs Async Validation, Latency Budgets and Health ChecksMedium

  A senior experimentation-platform deep dive that asks which validations should block versus run in the background, how variant assignment stays inside callers' latency budgets, and which health checks catch broken experiments. It tests trade-off reasoning about online A/B testing infrastructure.

  MicrosoftSoftware EngineerSystem DesignTechnical Screen
• Peer-to-Peer File Distribution: Discovery, Chunked Transfer and Integrity ChecksMedium

  A system design interview question asking you to build a peer-to-peer file sharing network where users download large files directly from other users. It tests content identification, peer discovery, chunked parallel transfer with integrity checks, NAT traversal, incentives against free-riders, and keeping files available as peers churn.

  MicrosoftSoftware EngineerSystem DesignOnsite
• Design a Collaborative EditorMedium

  Design a real-time collaborative editor around explicit merge semantics, streamed operations, journals, snapshots, reconnect, and Git milestones.

  MintlifySoftware EngineerSystem DesignOnsite
• Design a hybrid-cloud GPU allocation serviceMedium

  This question evaluates system-design competency in distributed resource management, hybrid-cloud scheduling, GPU allocation, multi-tenant fairness, reliability, security, API design, and observability within the system design domain.

  MithrilSoftware EngineerSystem DesignOnsite
• Design Search AutocompleteHard

  This question evaluates system design skills for building a large-scale, low-latency autocomplete service, including distributed architecture, indexing and ranking strategies, caching, ingestion pipelines, sharding, and operational trade-offs.

  MolocoSoftware EngineerSystem DesignOnsite