Microsoft System Design Interview Questions
Practice the exact questions companies are asking right now.
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Design a live-stream comments system
System Design: Live-stream comments (YouTube Live-style) Design a system that supports real-time comments for live video streams. Core features - User...
Design REST APIs for JSON file storage
Scenario Design a service that stores JSON files/documents and exposes a RESTful API for clients. Requirements - Clients can upload, download, list, a...
Design a resource change tracking database
Scenario You are building part of an Azure-like cloud control plane. Resources (VMs, networks, storage accounts, etc.) are stored as JSON documents an...
Design a job scheduler ETL pipeline system
System Design Prompt Design a Job Scheduler + ETL pipeline system. The system should allow users (or internal services) to: - Define ETL jobs (extract...
Design a cloud console main page
Scenario You are building the main landing page (home page) of a cloud service console that a user sees immediately after logging in (e.g., similar to...
Design local sports team recommendation system
Design a recommendation system that suggests local sports teams to users. High-level requirements: - Recommend sports teams that are relevant to a use...
Design an image upload/download service
System Design: Image Upload and Download Service Context Design a production-grade image service used by web and mobile clients. The service must supp...
Design a Ticketmaster-like ticketing system
System Design: Online ticketing platform (Ticketmaster-like) Design a system that sells tickets for events (concerts/sports) with seat selection. Core...
Design an online ticket booking system
System Design: Online Ticket Booking System Design an online ticket booking system that allows users to discover events and book tickets. Assume the p...
Propose research to improve business
Prompt: Propose Research Directions and Solution Approaches to Improve Business Performance Context Assume a large-scale, web/mobile, cloud-backed pro...
Design a high-scale URL shortener
Design a URL shortening service. Core APIs / Features - Create short URL: accept a long URL and return a short code / short URL. - Redirect: given a s...
Design a simple API rate limiter
Design a rate limiter for an API. Scenario You operate an HTTP API (e.g., /v1/*). You need to prevent abuse by limiting request rates. Requirements (c...