System design

Amazon System Design Questions

Every system design problem candidates reported at Amazon between September 2025 and September 2026, most-asked first. Each one links to a full solution. Tick them off as you go.

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23problems
24candidate reports
1asked more than once
21topics
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Companies

Meta26Microsoft24Amazon23OpenAI22Google20TikTok16Salesforce15Anthropic15Uber12LinkedIn11Apple11JPMorgan11Atlassian11Snowflake9Netflix9Oracle9Goldman Sachs8Rippling8Databricks7Walmart7Airbnb7Capital One7NVIDIA6Pinterest6Roblox6Flipkart4Bloomberg4Visa4Adobe4Anduril1

Topics

Design a Scalable News Feed
2 reports · last seen Jun 2026Distributed SystemsMediaSearch
Advanced+2▶ Mock
Accept Notification Bursts With Low Latency
1 report · last seen Sep 2026Real-timeMessagingDistributed Systems
Advanced+5▶ Mock
Design a Product Image Upload Pipeline for Sellers
1 report · last seen Aug 2026StorageData PipelinesSecurity
Intermediate▶ Mock
Design Faceted Product Search at Large Scale
1 report · last seen Aug 2026SearchE-commerceDistributed Systems
Intermediate▶ Mock
Design a Scalable Metrics Monitoring System
1 report · last seen Jul 2026ObservabilityData PipelinesStorage
Advanced+3▶ Mock
Architect an AI Chatbot for Enterprise Users
1 report · last seen Jul 2026AI / MLReal-timeDistributed Systems
Advanced+2▶ Mock
High Availability and Failover for a Primary-Replica Database
1 report · last seen Jun 2026DatabasesDistributed Systems
Intermediate▶ Mock
Design a Perishable-Goods Inventory and Location Tracking System
1 report · last seen Jun 2026E-commerceDatabasesEvent Driven
Intermediate▶ Mock
Design a Core Dump Collection and Analysis System
1 report · last seen Jun 2026ObservabilityStorageData Pipelines
Intermediate▶ Mock
Design a Scalable and Polite Web Crawler
1 report · last seen May 2026Distributed SystemsStorageSearch
Advanced+2▶ Mock
Design a Distributed Cron Job Scheduler
1 report · last seen May 2026SchedulingDistributed SystemsEvent Driven
Advanced+7▶ Mock
Design a Log Collection System
1 report · last seen May 2026ObservabilityData PipelinesSearch
Intermediate+1▶ Mock
Design Human Avoidance for Warehouse Robots
1 report · last seen May 2026Real-timeAI / MLIoT
Advanced▶ Mock
Design a High-Availability Load Balancer
1 report · last seen May 2026Distributed SystemsNetworkingAPI Design
Intermediate▶ Mock
Design a Ride-Hailing Matching System
1 report · last seen Apr 2026GeospatialReal-timeDistributed Systems
Advanced+2▶ Mock
Design a Multi-Provider Financial Dashboard
1 report · last seen Feb 2026FintechAPI DesignCaching
Intermediate▶ Mock
Design a cloud database write path and recovery
1 report · last seen Jan 2026DatabasesStorageDistributed Systems
Advanced▶ Mock
Design a large-scale temperature sensor system
1 report · last seen Jan 2026IoTData PipelinesStorage
Intermediate+1▶ Mock
Review an existing architecture for risks
1 report · last seen Jan 2026Distributed SystemsSecurityObservability
Intermediate▶ Mock
Design multi-tenant ingestion and processing platform
1 report · last seen Jan 2026Data PipelinesDistributed SystemsSecurity
Advanced▶ Mock
Design globally consistent metadata service
1 report · last seen Jan 2026Distributed SystemsDatabasesStorage
Advanced▶ Mock
Design an Offline Multi-Device E-Book Reader
1 report · last seen Jan 2026StorageAPI DesignCollaboration
Intermediate▶ Mock
Design an S3-like object storage service
1 report · last seen Dec 2025StorageDistributed SystemsAPI Design
Advanced▶ Mock

Duplicate reports of the same problem are merged and counted.

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Frequently Asked Questions

What system design questions does Amazon ask?

Candidates reported 23 distinct system design problems at Amazon between September 2025 and September 2026, including Design a Scalable News Feed, Accept Notification Bursts With Low Latency, Design a Product Image Upload Pipeline for Sellers.

How to prepare for Amazon system design interview?

Start with the Amazon problems reported most often, work through each full solution, then practice explaining a design end to end under time pressure in a mock interview.

What is the difference between HLD and LLD at Amazon?

HLD (High-Level Design) focuses on system architecture, scalability, and component interactions. LLD (Low-Level Design) dives into class diagrams, API contracts, and database schemas. Amazon tests both.