Low Level Design: Distributed Transaction Manager
4 min read What Is a Distributed Transaction Manager? A Distributed Transaction Manager (DTM) coordinates operations that span multiple databases, services, or nodes […] Read article
System Design
← Tech Interview
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: Reverse Proxy
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Low Level Design: Peer-to-Peer Network
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Low Level Design: Column Store Database
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Low Level Design: Consensus Protocol Service
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Low Level Design: Vector Clock Service
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Low Level Design: CRDT (Conflict-Free Replicated Data Types)
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Low Level Design: Web Crawler
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Low Level Design: Sitemap Generator Service
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System Design
Low Level Design: Link Checker Service
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System Design
Low Level Design: Search Query Parser
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System Design
Low Level Design: Invoice Service
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System Design
Low Level Design: Ledger Service
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System Design
Low Level Design: Payout Service
4 min read Overview A payout service disburses funds to recipients via multiple rails: ACH (batch, 1-2 day settlement), wire (same-day, high fee), Read article
System Design
Low Level Design: Feature Flag Targeting Service
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