System Design interview questions

Showing 1291–1311 of 1311 results

• Design Nearby Search for Autonomous VehiclesMedium

  Design a real-time geospatial search and filtering system for an autonomous vehicle fleet. The service must index streaming vehicle telemetry, handle out-of-order updates, and query nearby eligible vehicles with strict latency bounds.

  ZooxSoftware EngineerSystem DesignTechnical Screen
• Design Real-Time Vehicle Location TrackingMedium

  Design a high-throughput, low-latency telemetry ingestion and distribution system that streams autonomous vehicle coordinates to client dashboards and rider apps.

  ZooxBackend EngineerSystem DesignTechnical Screen
• Design a Ride-Hailing PlatformHard

  This question tests your ability to design a highly scalable, real-time geo-spatial matching system that handles low-latency requests for vehicle dispatching and location tracking.

  ZooxBackend EngineerSystem DesignOnsite
• Design teleoperations data models and pipelinesMedium

  This question evaluates competency in data modeling, real-time and batch pipeline architecture, telemetry ingestion, metrics design, and operational monitoring for teleoperations and autonomous vehicle stability.

  ZooxData EngineerSystem DesignOnsite
• Design Global Metrics Monitoring and Real-Time AlertingMedium

  This question tests the ability to design a distributed, scalable telemetry pipeline capable of handling high-cardinality time-series data and real-time alerting with deduplication.

  ZscalerSoftware EngineerSystem DesignOnsite
• Design a Customer Payment Dispute PlatformMedium

  Design a resilient payment dispute resolution platform that handles dispute lifecycles, evidence management, deadline enforcement, external payment provider integration, and financial ledger auditability.

  eBaySoftware EngineerSystem DesignTechnical Screen
• Design a Rotating Workplace Food-Ordering ServiceMedium

  Tests the ability to design an enterprise food-ordering platform featuring scheduled vendor rotations, optimistic concurrency control for live inventory, and reliable checkout with corporate subsidy splitting.

  eBaySoftware EngineerSystem DesignOnsite
• Design a Shopping Search Bar with AutocompleteMedium

  Tests candidate's ability to design a dual-path search system that separates low-latency typeahead suggestions from heavy, filtered e-commerce catalog search at scale.

  eBaySoftware EngineerSystem DesignOnsite
• Design a Streaming Top-Ten Sales DashboardMedium

  This question tests the ability to design a distributed, low-latency streaming pipeline that aggregates high-velocity sales data into a real-time leaderboard.

  eBaySoftware EngineerSystem DesignOnsite
• Design a Top-K trending serviceMedium

  This problem evaluates your ability to design a distributed system that aggregates high-velocity event streams to identify the most frequent items within a sliding time window.

  eBaySoftware EngineerSystem DesignTechnical Screen
• Design an Ad Assignment APIMedium

  This question evaluates a candidate's skill in designing stateful, production-grade HTTP APIs and reasoning about distributed-systems concerns such as idempotency, concurrency control, per-user state management, and observability.

  eBaySoftware EngineerSystem DesignTechnical Screen
• Design an online marketplace for buying and sellingHard

  This question evaluates competency in large-scale system design, covering distributed systems, data modeling, scalability, consistency, security, payments and escrow, media handling, and operational concerns for a two-sided online marketplace.

  eBaySoftware EngineerSystem DesignOnsite
• Build a One-Pass Data Cleaning PipelineMedium

  This problem tests your ability to design a memory-efficient, scalable data streaming pipeline that processes raw web-scraped documents into a high-quality dataset for model pretraining.

  xAIData EngineerSystem DesignTechnical Screen
• Design a Collaborative Document EditorMedium

  Design collaborative editing with an explicit operation model, OT or CRDT convergence, durable history, reconnect recovery, access control, and separate presence state.

  xAIFrontend EngineerSystem DesignOnsite
• Design a Durable Key-Value Cache with File-System PersistenceMedium

  This question evaluates a candidate's ability to design durable in-memory data structures and persistence strategies, including reasoning about crash recovery, durability guarantees, and performance trade-offs.

  xAISoftware EngineerSystem DesignTechnical Screen
• Design a Rate Limiter with Per-User Token QuotasMedium

  This question evaluates a candidate's ability to design distributed, low-latency rate limiting with heterogeneous per-user quotas, covering competencies in state modeling, consistency, caching, and scalable architecture.

  xAISoftware EngineerSystem DesignOnsite
• Design a Real-Time Collaborative Document Editor with Concurrent EditsMedium

  A system design question for a frontend engineer: design a collaborative document editor where several people edit the same document at once and see each other's changes in near real time. It tests conflict resolution for concurrent edits, client-side state, the sync protocol, persistence and presence.

  xAIFrontend EngineerSystem DesignOnsite
• Design a URL Shortening Service: Code Generation, Redirect Path, and ScalingMedium

  A system design question asked as a 30-minute screen with no coding: design a URL shortening service that turns long URLs into short links and redirects visitors. It tests requirement scoping, capacity estimates, collision-free code generation, a fast read path, storage, scaling and failure handling.

  xAISoftware EngineerSystem DesignOnsite
• Design a backend for an online checkers gameMedium

  This problem tests your ability to design a state-aware, real-time multiplayer system that ensures data consistency, enforces complex game rules, and manages turn-based concurrency.

  xAISoftware EngineerSystem DesignOnsite
• Design a multi-level API rate limiterEasy

  This question assesses the ability to design a scalable, multi-tenant rate limiting service that supports hierarchical policies and global traffic coordination.

  xAISoftware EngineerSystem DesignTechnical Screen
• Design and Implement a URL Shortening ServiceHard

  Tests your ability to design a globally distributed, highly available URL shortening service capable of handling high read/write throughput with sub-millisecond redirection latency and collision-free ID generation.

  xAISoftware EngineerSystem DesignOnsite