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Learn.

Engineering notes

Notes on building reliable, maintainable, and efficient systems—from architecture and component design to algorithms, security, and AI.

TopicsLow-Level DesignSystem Design3 entries

Caching Strategies

Trade-offs between cache-aside, write-through, and write-behind.

L4 vs L7, routing algorithms, health checks, and AWS load balancers.

Modelling vehicles, parking spots, tickets, and payments.