System Design Interview Practice & Case Studies — System Design Roadm…

Applying every concept above to real, end-to-end system design problems

Steps in System Design Interview Practice & Case Studies

Framework for Approaching Design Interviews — advanced · A repeatable structure: clarify requirements, estimate scale, design, then dive deep
Design a URL Shortener — advanced · A classic starter problem covering encoding schemes, storage and redirection at scale
Design a Rate Limiter — advanced · Designing a distributed rate limiter shared across many API servers
Design a Distributed Cache — advanced · Designing a Redis/Memcached-like distributed, in-memory key-value store
Design a Chat Application — advanced · Real-time one-to-one and group messaging, delivery guarantees and presence
Design a Notification System — advanced · Fan-out delivery of push, email and SMS notifications at scale
Design a News Feed System — advanced · Fan-out on write vs fan-out on read for a Facebook/Twitter-style feed
Design a Search Autocomplete System — advanced · Low-latency prefix matching and ranking suggestions at scale
Design a Video Streaming Service — advanced · Video upload, transcoding, storage and adaptive bitrate delivery at scale
Design a Ride-Sharing App — advanced · Real-time location tracking, driver matching and geospatial indexing
Design an E-commerce Checkout & Inventory System — advanced · Consistent inventory counts, order processing and payment coordination
Capstone: Full Mock System Design Interview — advanced · A timed, end-to-end mock interview combining requirements gathering, estimation, high-level design and deep dives