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Core Masterclasses
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Specialist Tracks
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Top Articles
High-signal articles selected for relevance, freshness, and depth so you can start with maximum momentum.
1. Requirements (The Scope) To design a production-grade ride-sharing engine like Uber or Lyft, we must translate ambiguous business processes into a precise technical design. In an advanced Low-Level Design (LLD) interv…
Capstone: Zero-Downtime Blue-Green Infrastructure Congratulations on reaching the final capstone project of the Terraform & AWS DevOps Mastery track! Throughout this course, you have designed networks, secured credential…
Case Studies
Dedicated blueprints standardizing real requirements, APIs, LLD/HLD, scaling bottlenecks, and concrete takeaways.
Problem statement A platform team owns a large commerce monorepo with: - 140 backend services - 30 shared libraries - 4 frontend applications - 2 API gateway layers - a mixture of REST, gRPC, and asynchronous events They…
The Problem: A 50,000-Line Legacy Monolith Mental Model > Claude Code is most powerful as a force multiplier on tasks that are large, well-defined, and mechanical — exactly what a legacy migration is. The human provides…
The Schema Design Challenge Mental Model > Database schema design is architecture. Like all architecture decisions, it must be driven by the query patterns and access patterns you actually have — not the ones you imagine…
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