A personal reference on frontend architecture decisions, patterns, and trade-offs — built from real-world experience leading frontend teams and solving scalability challenges in production systems.
Architecture is not about frameworks. It's about decisions. This playbook documents the why behind every technical choice.
| Section | Description |
|---|---|
| Concepts | Deep dives into architecture patterns with diagrams |
| Implementations | Working code examples for each pattern |
| Decisions | ADRs — architectural decisions with context and trade-offs |
| Comparisons | X vs Y analysis: when to use what and why |
How to structure frontend applications that scale with your team. Vertical slices, feature folders, shared layers, pragmatic architecture.
How to evaluate and choose the right framework for your context. React vs Vue vs Svelte — beyond syntax, into trade-offs.
03 — State Management
When local state is enough, when to add Zustand, when Redux makes sense. A decision framework, not a tutorial.
04 — Data Access Layer
REST vs GraphQL — trade-offs, when each breaks, how to choose. Filtering, overfetching, underfetching — real problems with real solutions.
Polling vs SSE vs WebSockets — and what breaks at scale. How to pick the right approach for your use case.
Offset vs cursor vs keyset — performance implications explained. Frontend virtualization for large datasets.
07 — Testing Strategies
What to test, what to skip, how to build confidence without wasting time. Pyramid vs trophy — choosing your strategy.
08 — CI/CD for Frontend
Deployment strategies: recreate, rolling, blue-green, canary. Monitoring, rollback, and pipeline optimization.
This isn't a collection of "how to use framework X." It's a collection of decisions: why choose X over Y, when X breaks down, and what the alternatives cost.
Every document here reflects a real trade-off, not a silver bullet. Senior engineering is about navigating constraints — not memorizing solutions.