Svelte Interview - Advanced Level
For senior developers with 4+ years of Svelte experience. Master advanced SvelteKit features, SSR/SSG strategies, compiler internals, performance optimization, and enterprise architecture.
25-30 minutes
4+ years of Svelte experience
Who is this for?
Senior Svelte engineers
Tech leads and architects
Developers working on large-scale Svelte apps
Engineers implementing SvelteKit SSR/SSG
What you'll practice
Explaining Svelte compiler internals
Implementing advanced SvelteKit features
Architecting large-scale applications
Optimizing performance at scale
Designing deployment strategies
Building component libraries
Topics covered
Svelte Compiler Internals
How Svelte compiler works
Generated JavaScript output
Reactivity compilation
Component compilation
Bundle optimization
Advanced SvelteKit
SSR vs SSG vs CSR strategies
Advanced routing (matchers, layouts)
Hooks (handle, handleError, handleFetch)
Adapters and deployment
Streaming and progressive enhancement
Performance & Optimization
Component optimization
Code splitting strategies
Image optimization
Lazy loading patterns
Bundle size optimization
Advanced Patterns
Component libraries development
Plugin architecture
Advanced TypeScript patterns
Testing strategies (unit, integration, e2e)
Accessibility (a11y)
Enterprise & Architecture
Large-scale app architecture
Monorepo setup
Micro-frontends
State management at scale
CI/CD for Svelte apps
Example questions
Q:
Explain how Svelte's compiler transforms reactive statements into JavaScript
Q:
How would you architect a large-scale enterprise application with SvelteKit?
Q:
What are the trade-offs between SSR, SSG, and CSR in SvelteKit?
Q:
How would you optimize a Svelte app for maximum performance?
Q:
Design a deployment strategy for a SvelteKit app with multiple adapters
Q:
How does Svelte achieve reactivity without a virtual DOM?
Preparation tips
Study compiler internals deeply
Master SvelteKit hooks and adapters
Practice performance optimization
Learn deployment strategies
Understand enterprise architecture
Build large-scale applications
Continue your journey
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