System Design Interview: Design GitHub (Git Hosting at Scale)
Designing a Git hosting platform like GitHub tests your ability to handle version control storage at scale, real-time collaboration (PRs, […]
System Design
System Design
Learn to design scalable, reliable systems that handle millions of users. System design interviews test your ability to architect real-world applications, considering tradeoffs, scalability, and best practices.
Core Topics:
Scalability: Load balancing, horizontal vs vertical scaling
Storage: Databases (SQL vs NoSQL), caching (Redis, Memcached)
Reliability: Replication, failover, disaster recovery
Performance: CDNs, caching strategies, database indexing
Common Design Questions:
Design URL shortener (bit.ly)
Design rate limiter
Design Twitter/Instagram feed
Design messaging system (WhatsApp)
Design file storage (Dropbox)
Interview Level: Senior engineers (L5+) at FAANG companies. Requires 3-5+ years experience to tackle effectively.
Preparation: Study system design patterns, understand distributed systems fundamentals, and practice mock interviews.
AI/ML Interview Questions, System Design
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System Design: Gaming Leaderboard at Scale
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System Design: TikTok / Short-Form Video Platform
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Concurrency and Multithreading Interview Questions (2026)
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Design a Monitoring and Alerting System
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