System Design
Architecture, micro-frontends, testing, auth, scalability
Dinosaur
Advanced
Component Architecture & Design Systems
From atoms to organisms, from tokens to themes â how to architect component libraries that scale across teams, brands, and years of evolution.
Data Fetching & Caching Strategies
How data gets from server to screen â and how to make it feel instant. Fetching patterns, caching architectures, and the trade-offs behind every choice.
Real-Time Architecture
From polling to WebSockets to CRDTs â how to architect frontends that update in real time without melting the server or confusing the user.
Authentication & Security Architecture
OAuth flows, token storage trade-offs, XSS prevention, CSP policies â the security architecture that protects your users and your reputation.
Frontend Testing Architecture
Testing isn't about coverage numbers â it's about confidence in change. A well-designed test strategy with the right pyramid, the right tools, and the right boundaries protects your deployment pipeline.
Apex
Architect
Component Architecture
At the apex level, component architecture isn't about individual components â it's about the system of constraints that makes a codebase scale across teams.
Frontend System Design Framework
The definitive framework for frontend system design interviews. Eight structured phases that turn a vague prompt into an architecture an interviewer remembers.
State Management Architecture
State is the source of most frontend bugs. Understanding where state lives, how it flows, and when to reach for global solutions is what turns a React developer into a frontend architect.
Micro-Frontends Architecture
When a monolith outgrows a single team, micro-frontends let organizations scale frontend development â at the cost of complexity you must deliberately manage.