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System Design 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 211–240 of 1311 results
- AttentiveMediumSoftware EngineerDesign a Snapshot-Driven Product Catalog
Design a multi-tenant product catalog ingestion and serving system that processes periodic, complete merchant snapshots while deterministically layering administrator overrides, supporting atomic cutovers, and maintaining read consistency.
System DesignOnsitesystem-designe-commercedata-pipelines - AutodeskMediumSoftware EngineerDesign a Real-Time Multi-Source Change Data Pipeline
Design a low-latency CDC pipeline that joins multiple databases, propagates updates and deletes, recovers state, and maintains a queryable output dataset.
System DesignOnsite - AxonMediumSoftware EngineerDesign Reliable Upload and Download for Very Large Files
Design resumable upload and range-based download for files too large to transfer reliably in one request. Cover chunk identity, integrity hashes, idempotent completion, authorization, committed-file visibility, object-storage layout, and cleanup of abandoned sessions.
System DesignTechnical Screen - AxonHardSoftware EngineerDesign a Nearest-Timestamp Status Record Service
Design a high-throughput time-series ingestion and query service that handles out-of-order, duplicate officer telemetry and returns the record closest in time to a requested query timestamp.
System DesignTechnical Screensystem-designtime-seriesdistributed-systems - AxonMediumSoftware EngineerDesign a Test Orchestration System
This question evaluates system design and backend engineering competencies, including distributed orchestration, scheduling, scalability, reliability, operational monitoring, API design, and data modeling for a test orchestration service; it is categorized under System Design and related domains such as distributed systems and CI/CD platforms.
System DesignTechnical Screen - AxonHardSoftware EngineerDesign a tamper-evident video chain-of-custody audit system
Design a tamper-evident video chain-of-custody audit system 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 - AxonHardSoftware EngineerDesign an airline booking system
This question evaluates a candidate's ability to design scalable, consistent, and resilient distributed systems for transactional domains, emphasizing API design, data modeling, concurrency control, idempotency, seat inventory guarantees, and external integrations like payments and ticketing.
System DesignTechnical Screen - AxonMediumSoftware EngineerDesign an image-to-multilanguage translator
This question tests the ability to design a distributed, scalable image processing pipeline that integrates OCR with translation services while addressing latency, storage, and reliability concerns.
System DesignTechnical ScreenDistributed SystemsScalabilityAsynchronous Processing - AxonMediumSoftware EngineerDesign analytical tracking database
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 Design analytical tracking database states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.
System DesignTechnical Screen - AxonMediumSoftware EngineerDesign camera-footage upload with custody chain
This question evaluates a candidate's ability to design resilient, secure large-file ingestion systems with integrity verification, resumable chunked uploads, malware and file-type scanning, and an auditable tamper-evident chain of custody, commonly asked to assess architectural thinking about reliability, security, and compliance for evidentiary data. It is in the System Design domain (storage, APIs, background processing, and audit logging) and tests practical application of architectural trade-offs, failure-mode reasoning, and operational concerns rather than only theoretical concepts.
System DesignTechnical Screen - AxonMediumSoftware EngineerDesign fulfillment truck routing and inventory system
This question evaluates architectural design skills for scalable, event-driven fulfillment systems, including competencies in inventory/container state tracking, high-throughput event processing, transactional dock-door scheduling, and vehicle routing optimization; domain: system design.
System DesignTechnical Screen - BalyasnyHardSoftware EngineerExplain Kafka and Design Bulk Record Processing
This problem tests knowledge of distributed event streaming architecture, specifically handling high-throughput bulk processing while maintaining partition-level ordering and fault-tolerant delivery guarantees.
System DesignOnsiteKafkaDistributed SystemsBackpressure - BalyasnyHardSoftware EngineerSchedule Dependent Tasks on a Bounded Thread Pool
This problem tests the ability to design a task scheduling system that manages complex dependency graphs while operating under strict concurrency constraints.
System DesignOnsiteMultithreadingDAGConcurrency - BasetenMediumData EngineerDesign a Data Pipeline for Messy Pod Alerts and Bad Pod Detection
Prepare for a Baseten system design interview about design a data pipeline for messy pod alerts and bad pod detection. This question focuses on requirements, architecture, trade-offs, reliability, and follow-up discussion areas.
System DesignTechnical Screen - BasetenMediumSoftware EngineerDesign an observability logging system for emitting and querying logs
System design question: build an observability logging system that lets services emit structured logs and lets engineers query them. It covers non-blocking client buffering, ingestion with backpressure and a durable buffer, time-partitioned storage, indexing versus scanning trade-offs, query execution limits, and isolating noisy services.
System DesignOnsite - Basis AiMediumSoftware EngineerDesign a Layover Activity Recommendation App
This question evaluates product sense, system-design reasoning, and the ability to design risk-aware, real-time recommendation services for mobile layover experiences, emphasizing ambiguity handling and preventing catastrophic failures like missed flights.
System DesignTechnical Screen - Bilt RewardsMediumSoftware EngineerDesign a Configurable Reward Points Service
Design a highly available and auditable reward points service that ingests credit card and rent transactions, evaluates versioned earning rules, and maintains an append-only double-entry ledger.
System DesignTechnical ScreenLedgerIdempotencyFintech - BlinkHardSoftware EngineerDesign a Support Ticket Processing System
This question tests your ability to design a distributed, asynchronous ticket processing system that handles high volume, prioritizes SLAs, and ensures reliable data delivery.
System DesignOnsiteScalabilityMessage QueuesDistributed Systems - BloombergMediumSoftware EngineerDesign A Real-Time VWAP Analytics Provider
Tests the ability to design an ultra-low-latency, stateful streaming pipeline that ingests heterogeneous market data feeds, maintains running volume-weighted aggregates, handles trade adjustments, and serves high-throughput subscriber fanout.
System DesignTechnical ScreenStream ProcessingLow LatencyFinancial Systems - BloombergMediumSoftware EngineerDesign a fair event registration queue API
This question tests the ability to design a thread-safe, high-concurrency registration system that handles FIFO ordering, capacity constraints, and efficient cancellation operations.
System DesignOnsiteConcurrencyData StructuresAPI Design - BloombergMediumSoftware EngineerDesign a packet reassembler API
This question evaluates API design, stream-oriented buffer management, stateful packet assembly, input validation, concurrency control, testing strategy, and time/space complexity reasoning.
System DesignTechnical Screen - BloombergMediumSoftware EngineerDesign in-memory trade subscription processor
This question evaluates a candidate's ability to design concurrent, high-throughput in-memory subscription matching systems, covering skills in data structure selection, algorithmic complexity analysis, and concurrency control.
System DesignOnsite - BloombergHardSoftware EngineerDesign streaming mention analytics with search and alerts
This question tests the ability to design a distributed, low-latency streaming pipeline that aggregates mention counts for entities, provides search capabilities, and triggers alerts based on configurable thresholds.
System DesignOnsiteDistributed SystemsStream ProcessingReal-time Analytics - BloombergHardSoftware EngineerExplain Kafka partitions and delivery semantics
This question evaluates understanding of distributed messaging and stream-processing concepts—specifically Kafka internals such as partitions, replication, consumer groups, and delivery semantics—and the candidate's competency in reasoning about ordering, scalability, fault tolerance, and transactional guarantees.
System DesignTechnical Screen - BobyardMediumSoftware EngineerDesign a client-side comment system
This question evaluates front-end engineering competencies including client-side data modeling, state management, UI behavior for nested comment trees, sorting/filtering semantics, and persistence using localStorage.
System DesignTechnical Screen - BobyardMediumSoftware EngineerDesign comments and async image generation
This question evaluates full-stack system-design competencies, including CRUD API and data-model design for sortable queries with persisted user preferences, frontend-backend synchronization, and asynchronous long-running job orchestration, status/result APIs, and UI ordering for image generation; it falls under the System Design category and tests a mix of conceptual architectural reasoning and practical application design. It is commonly asked because it probes the ability to balance scalability, consistency, user experience, and fault-tolerant asynchronous processing when designing end-to-end systems that must handle persistence, ordering guarantees, and long-running background work.
System DesignTechnical Screen - Booking.comMediumSoftware EngineerCompare heap, stack, Protobuf, gRPC, SQL, CI/CD
Compare heap, stack, Protobuf, gRPC, SQL, CI/CD 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 - Booking.comMediumSoftware EngineerDesign a Real-Time Logging System
This question evaluates a candidate's competency in designing scalable, low-latency telemetry and logging systems, covering distributed systems architecture, ingestion pipelines, data modeling, real-time querying, reliability, backpressure, partitioning, indexing, retention, and operational trade-offs.
System DesignOnsite - BoxMediumSoftware EngineerDiagnose failures via SSH and large logs
Diagnose failures via SSH and large logs 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 DesignOnsite - BoxHardSoftware EngineerExplain and diagram your past system architecture
Explain and diagram your past system architecture 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 DesignOnsite
Attentive
Axon
Baseten
Bloomberg
Booking.com
Box