Interview questions
Find a company or topic. Read the sources, then practice.
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Find a company or topic. Read the sources, then practice.
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Showing 551–575
Design a configurable workflow engine for an enterprise B2B SaaS platform that allows customers to define, manage, and execute custom multi-step workflows — including actions…
Companies: Locus.Sh, Usaa
Last reported Jul 2026
Companies: Databricks
Real-Time Systems · System Design
Last reported Jul 2026
Companies: OpenAI
Authentication & Authorization · System Design · System Design Fundamentals
Last reported Jul 2026
Companies: Apple
System Design
Last reported Jul 2026
Companies: OpenAI
Application Security · File & Media Storage · System Design
Last reported Jul 2026
Companies: OpenAI
Fault Tolerance & Failover · Multiplayer Game Systems · System Design
Last reported Jul 2026
Design a system that ingests real-time streaming events from users watching videos and provides an analytics dashboard that displays the total aggregated watch time across…
Companies: Apple
Last reported Jul 2026
Design a pricing system that allows businesses to define, manage, and apply dynamic pricing rules across products or services, including features like discount management…
Companies: Agoda
Last reported Jul 2026
Design an orchestrator service that coordinates and manages end-to-end order workflows, including payment processing, inventory management, vendor coordination, and user…
Companies: Agoda
Last reported Jul 2026
Companies: Anthropic
Messaging & Event-Driven · Real-Time Systems · System Design
Last reported Jul 2026
Design a message queue system that enables multiple publishers to send messages to topics and multiple subscribers to consume messages, ensuring at-most-once delivery guarantee.
Companies: Amazon, Anchorage Digital, Ethos, Opal Security
Last reported Jul 2026
Design a caching API that allows users to store, retrieve, and invalidate data efficiently, supporting features like TTL (time-to-live), eviction policies, and high-throughput…
Companies: Arize Ai
Last reported Jul 2026
Design a hierarchical settings sync system for an IDE like Cursor, where settings can be configured and synced at the user, team, or project level…
Companies: Anysphere
Last reported Jul 2026
Design a system that processes e-commerce data offline to identify and rank popular items across multiple categories, generating feeds that showcase trending products to users.
Companies: Sprinter Health, Uber
Last reported Jul 2026
Companies: Anthropic
File & Media Storage · System Design
Last reported Jul 2026
Design a personal finance and budgeting system that allows users to track income and expenses, set spending limits across categories, and gain insights into their…
Companies: Datadog
Last reported Jul 2026
Companies: Anthropic
Concurrency · Distributed Coordination · System Design
Last reported Jul 2026
Companies: Anthropic
LLM Inference & Serving · System Design
Last reported Jul 2026
Companies: Anthropic
System Design · System Design Fundamentals
Last reported Jul 2026
Design a subscription billing system for Netflix that can handle payment processing, subscription management, and billing cycles for approximately 300 million monthly active users.
Companies: Grab, Netflix
Last reported Jul 2026
Companies: Anthropic
System Design
Last reported Jul 2026
Design a system that allows users to upload and manage custom images for their playlists, where images are publicly accessible but only modifiable by the…
Companies: Spotify
Last reported Jul 2026
Design a system where 1,000 vehicles continuously send their latest telemetry data as a dynamic key-value map (e.g., speed, battery, location, temperature, GPU metrics) to…
Companies: Nuro
Last reported Jul 2026
Companies: OpenAI
System Design
Last reported Jul 2026
Design a logger system that receives messages with timestamps and only prints each message if it hasn't been printed in the last 10 seconds, with…
Companies: Amazon, Apple, Google, Microsoft
Last reported Jul 2026