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 326–350
Companies: Robinhood
System Design
Last reported Sep 2026
Companies: Meta
System Design
Last reported Sep 2026
Companies: Meta
System Design
Last reported Sep 2026
Companies: Airbnb
System Design
Last reported Sep 2026
Companies: Amazon
System Design
Last reported Sep 2026
Design a malware analysis system that allows security researchers to upload binary files and receive detailed analysis reports, including static analysis, dynamic analysis, and…
Companies: Anthropic, CrowdStrike
Last reported Sep 2026
Companies: Atlassian
API Design · System Design · System Design Fundamentals
Last reported Sep 2026
Companies: Pinterest
System Design · System Design Fundamentals
Last reported Sep 2026
Companies: Applied Intuition
System Design
Last reported Sep 2026
Design a system that processes tweets from Twitter/X to identify and count stock ticker mentions, providing aggregated counts across different time windows (5, 10, 30…
Companies: Bloomberg
Last reported Sep 2026
Companies: Pinterest
System Design
Last reported Sep 2026
Design a feature flag service that supports global ON/OFF controls, percentage-based rollouts, and sticky user assignments. The service should reliably manage feature…
Companies: Snowflake
Last reported Sep 2026
Design a scalable banking application that allows users to manage multiple accounts with full CRUD operations, ensuring ACID compliance and security while optimizing for…
Companies: Capital One
Last reported Sep 2026
Design a mobile chat application that allows users to send text messages and share images in one-on-one conversations.
Companies: Apple, Meta
Last reported Sep 2026
Design an end-to-end platform that integrates with an external social media API (e.g., Facebook/Meta) to ingest user comments and classify each comment as Positive, Negative…
Companies: Netflix
Last reported Sep 2026
Design a system that synchronizes product reviews between two acquired companies, where one platform uses a 5-star rating with comments and the other uses thumbs…
Companies: Amazon
Last reported Sep 2026
Design a distributed caching system that can serve data with low latency across multiple geographic locations, handling cache misses, replication, and scaling to support…
Companies: Amazon, Google, Meta, Microsoft +2
Last reported Sep 2026
Design a system that automatically identifies flaky tests in a CI pipeline and prevents them from unnecessarily blocking users from deploying their code.
Companies: Microsoft
Last reported Sep 2026
Companies: Pinterest
System Design
Last reported Sep 2026
Design a system that tracks user activity and allows users to hover over usernames to see when another user was last active (e.g., commenting, reading…
Companies: Launchdarkly
Last reported Sep 2026
Design a live stock price ingestion system that allows users to view real-time stock prices and historical price graphs for any given stock symbol.
Companies: Bloomberg, Robinhood
Last reported Sep 2026
Companies: Perplexity
API Design · System Design
Last reported Sep 2026
Design a system that can detect and block malicious IP addresses for an enterprise, including geo-distributed blacklists, edge processing capabilities, and efficient filtering…
Companies: LinkedIn
Last reported Sep 2026
Design a personal file backup service that allows users to automatically detect and upload changed files, browse their backed-up data, and restore files including previous…
Companies: Google
Last reported Sep 2026
Design a cloud-based personal finance tracker that allows users to connect their bank accounts, automatically categorize transactions into expense types (food, rent, transport…
Companies: Datadog
Last reported Sep 2026