System Design & Architecture

Beginner

Start here. No background needed beyond school maths.

••••'s short guide to what architecture is and the main patterns (layers, microservices, event-driven), written for working developers.

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The classic design patterns explained with pictures and code in many languages.

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Once the basics are comfortable.

A big, organised reading list of how large companies built and scaled their systems, grouped by topic, from caching to databases to incident reviews.

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Articles by •••• engineers on how they build reliable, large-scale systems.

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Patterns for cloud systems such as retry, circuit breaker, CQRS and saga, with when to use each.

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Research-level depth and specialist material.

Lecture notes, papers and labs on building fault-tolerant systems: replication, consensus (Raft), sharding and consistency.

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