ADevGuide Interview Questions
End-to-end system design interview walkthroughs with requirements, architecture, bottlenecks, and scaling decisions.
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System Design Interview: Distributed Cache Like Redis/Memcached
Series: System Design Interview Series
Master the distributed cache system design interview. Learn consistent hashing, eviction policies (LRU/LFU), and how to scale like Redis and Memcached.
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System Design Interview: Design a Rate Limiter
Series: System Design Interview Series
Master the rate limiter system design interview. Explore token bucket, leaky bucket algorithms, distributed rate limiting with Redis, and race conditions.
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System Design Interview: Design WhatsApp Chat System
Series: System Design Interview Series
Learn to design a scalable chat system like WhatsApp. Covers real-time messaging, WebSocket, last seen details, and end-to-end encryption.
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System Design Interview: Design Twitter News Feed
Series: System Design Interview Series
Master the Twitter system design interview. Learn fanout patterns, timeline generation, hybrid approach, and scaling for 300M active users.
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System Design Interview: Design a URL Shortener
Series: System Design Interview Series
Master the URL Shortener system design interview. Learn about Base62 encoding, Key Generation Service (KGS), data scale, and handling billions of clicks.
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System Design Interview: Design Instagram Feed
Series: System Design Interview Series
Master the Instagram Feed system design interview. Learn feed generation, fan-out service, pull vs push models, and scaling for millions of users.
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System Design Interview: Basic Notification System (Email & Push)
Series: System Design Interview Series
Master the notification system design interview. Learn how to build scalable email and push notification delivery, handle retries, and optimize for reliability.
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System Design Interview: Collaborative Document Editor Like Google Docs
Series: System Design Interview Series
Master the collaborative document editor system design interview. Learn operational transformation, CRDTs, conflict resolution, and scalability patterns.