30-Day Roadmap Teaches System Design as Decision Process, Not Memorization

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A structured 30-day High-Level Design (HLD) practice roadmap has been outlined to help engineers build repeatable decision-making skills for system design interviews. The curriculum is divided into four progressive stages: foundational primitives in week one, distributed component integration in week two, and full real-world case studies in the second half. Learners are guided to approach any 45-minute design problem by first clarifying requirements, estimating scale dimensions, selecting a data model, and then identifying bottlenecks that justify each added component. The roadmap emphasizes that a strong design answer lies in the reasoning between components — such as why a write is asynchronous or where consistency is truly needed — rather than in the volume of infrastructure shown. The complete curriculum is available at learn.significanthobbies.com.

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