Interview questions
Find a company or topic. Read the sources, then practice.
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Showing 701–725
Design a system that allows restaurant owners to view real-time aggregated metrics for their orders, including total order values and top K food items across…
Companies: Uber
Last reported May 2026
Companies: Google
System Design
Last reported May 2026
Design a vending machine system that allows users to browse, select, and pay for multiple items in a single order either directly via the machine's…
Companies: Amazon
Last reported May 2026
Companies: Google
System Design · System Design Fundamentals
Last reported May 2026
Design an auto scaling system for a microservices-based platform that dynamically adjusts resources in response to unpredictable traffic spikes, ensures high availability, and…
Companies: Microsoft
Last reported May 2026
Companies: Uber
System Design · System Design Fundamentals
Last reported May 2026
Companies: Uber
System Design · System Design Fundamentals
Last reported May 2026
Design a temperature monitoring system that displays current and historical temperature data across a 10 million km² area with sensors placed every 10 km². Users…
Companies: Amazon, Oracle, Uber
Last reported May 2026
Companies: OpenAI
Mobile Architecture & Performance · Rate Limiting · System Design
Last reported May 2026
Companies: OpenAI
System Design
Last reported May 2026
Companies: Google
System Design · System Design Fundamentals
Last reported May 2026
Design a card grading submission and tracking system that allows users to submit collectible cards for grading, track the status of their submissions, and receive…
Companies: eBay
Last reported May 2026
Design a multiplayer online game system that allows users to create accounts, join or host game sessions, and interact with other players in real time…
Companies: Meta
Last reported May 2026
Design an ephemeral environment system that allows developers to automatically provision, manage, and tear down short-lived, on-demand infrastructure environments for testing…
Companies: Updater
Last reported May 2026
Companies: Uber
System Design
Last reported May 2026
Design a system that ingests high-frequency drone test data (sensor readings at 1-20Hz, video) and enables other teams to query and analyze the collected data.
Companies: Anduril, Qualtrics, Snowflake, Waymo
Last reported Apr 2026
Design the backend API for a mobile weather prediction game that allows users to select from 2,500 weather stations, predict daily high or low temperatures…
Companies: Fanatics
Last reported Apr 2026
Design a price tracking system like CamelCamelCamel that allows users to monitor product prices across e-commerce platforms, set price alerts, and view historical price data.
Companies: Brex, Meta
Last reported Apr 2026
Companies: Anthropic
LLM Inference & Serving · System Design · Technical Tradeoffs for PMs
Last reported Apr 2026
Millions of listeners need fast, reliable audio despite network changes and concurrent updates to personal libraries.
Companies: Amazon, Databricks, Oracle
access-control · audio-durability-and-scale · consistency · content-delivery
Last reported Apr 2026
Design a Q&A platform similar to Stack Overflow that allows users to post questions, comment on questions, and upvote or downvote questions and answers, while…
Companies: Goldman Sachs
Last reported Apr 2026
Design a heatmap system that allows users to collect, process, and visualize large amounts of data as color-coded maps, enabling them to identify patterns, trends…
Companies: Uber
Last reported Apr 2026
Companies: OpenAI
Messaging & Event-Driven · Real-Time Systems · System Design
Last reported Apr 2026
Companies: Netflix
System Design
Last reported Apr 2026