Architecture & System Design Interview Questions

calendarDec 14, 2025 · 1 min read · architecture system-design interview scalability distributed-systems microservices  ·
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Comprehensive architecture, system design, and scalability interview questions covering distributed systems, design patterns, and large-scale system architecture.

Architecture Design

Interview questions covering software architecture patterns and design principles:

  • Easy: Monolithic vs. Microservices, REST vs. GraphQL, caching, load balancing
  • Medium: Event-driven architecture, message queues, API gateway, circuit breaker
  • Hard: Distributed transactions, CAP theorem, serverless, multi-region deployment

System Design

Interview questions focused on designing complete systems from scratch:

  • Easy: URL shortener, pastebin, simple chat application
  • Medium: Twitter feed, ride-sharing service, online ticketing system
  • Hard: Distributed task scheduler, global real-time analytics, e-commerce platform

Scalability

Interview questions covering scaling strategies and performance optimization:

  • Easy: Vertical vs. horizontal scaling, database sharding, caching strategies
  • Medium: Microservices for scalability, asynchronous processing, load balancing
  • Hard: Extreme traffic handling, global distribution, fault tolerance, real-time data processing

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