System Craft publishes walkthroughs of system design interview problems, covering both core concepts and full designs of products such as iCloud, Robinhood and a Booking.com-style hotel booking system. Readers get structured practice material for preparing for software engineering design interviews.
Website: https://systemcraft.app/
Engineering notes from a developer building AI tools and API-driven systems, with each issue unpacking a specific bug or design lesson. Readers get detailed post-mortems on background jobs, small local models, and template bugs, along with the principles drawn from them.
Each issue takes one distributed-systems or AI-agent design problem and explains it through a concrete failure scenario. Readers get practical design principles for sagas, agent state and agent memory.
Explains system design concepts and engineering case studies from large companies, such as how Uber built its Genie support assistant and why Shopify moved off React Native. Each issue breaks a topic into a structured walkthrough based on publicly shared details, with diagrams and references.
Byte-Sized Design is a weekly newsletter that breaks down real-world engineering case studies, such as GPU training inefficiencies, agent tooling platforms, and incident post-mortems, into practical system design lessons. Each issue explains the underlying architectural trade-offs and includes a short sponsor segment.
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