advancedSystem Design124 of 132
How would you design a high-scale backend system?
Tests whether you walk through the standard scaling levers in the right order -- caching, horizontal scaling behind a load balancer, database read replicas/sharding, and async processing for non-critical work -- grounded in where the actual bottleneck is, not a generic checklist.
Ready to design this system end to end?
Generate a complete, structured system design answer — requirements, capacity estimation, API design, architecture, database choice, scaling, caching, fault tolerance, security, trade-offs, and more, walked through the way a strong senior engineer would in a real interview.
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