Low Level Design: IoT Data Ingestion Service
6 min read Problem Statement Design a scalable IoT data ingestion service that handles millions of connected devices sending sensor readings, events, and […] Read article
System Design
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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.
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Low Level Design: Wiki Service
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Low Level Design: Mention and @Tagging Service
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Low Level Design: Event Analytics Pipeline
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Low Level Design: Funnel Analysis Service
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Low Level Design: Video Conferencing Service
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Low Level Design: Screen Sharing Service
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