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Frontend Development (React / Vue / Angular)
Build user interfaces, create web apps, optimize performance
⬢ TIER 2Tech
+$30k-
Salary impact
6 months
Time to learn
Hard
Difficulty
8
Careers
At a glance
Frontend Development is the art of building what users see and interact with: interactive user interfaces, web applications, and progressive experiences across devices. Career path: Junior (HTML/CSS/React basics, $80-120k) → Mid-level (advanced patterns, performance, SSR/SSG, $120-180k) → Senior (framework internals, micro-frontends, architectural decisions, $180-280k+) over 6-18 months. React dominates (43% market share), but Vue and Svelte are growing. Tools: Next.js/Vite for bundling, TypeScript for safety, Tailwind for styling, Playwright for testing. Modern frontend = faster initial load (RSC), better accessibility (WCAG 2.1), and measurable Core Web Vitals.
What is Frontend Development (React / Vue / Angular)
Frontend development = building what users see/interact with. React dominates, adds $30k-$50k. Boost: +$30k-$50k
🔧 TOOLS & ECOSYSTEM
ReactVueSvelteNext.jsViteWebpackTypeScriptTailwind CSSRadix UIshadcn/uiStorybookPlaywrightVitestESLintPrettier
📋 Before you start
💰 Salary by region
| Region | Junior | Mid | Senior |
|---|---|---|---|
| USA | $90k | $155k | $220k |
| UK | £50k | £85k | £130k |
| EU | €55k | €90k | €140k |
| CANADA | C$95k | C$160k | C$230k |
🎓 Certifications
🎯 Careers using Frontend Development (React / Vue / Angular)
⚖ Compare with
❓ FAQ
React vs Vue vs Svelte, which one should I learn in 2026?
React (43% market, $30k salary premium) dominates job market and ecosystem. Learn it first. Vue is approachable, popular in Asia/EU startups, fewer jobs but delightful DX. Svelte has smallest community but best compiler-driven performance and learning curve. Strategy: master React, learn Vue syntax in parallel (transferable), pick Svelte for performance-critical projects or as personal preference. React skills transfer to both, focus there.
When do I use Next.js vs Vite? Are they competitors?
No. Vite is a bundler (≈ Webpack but 10-100x faster dev). Next.js is a React meta-framework (bundler + routing + SSR + API routes + deployment). For: Single-page apps (SPA) or libraries = Vite. Full-stack apps with servers = Next.js. Vite for maximum control; Next.js for rapid iteration. 2026: Vite used in 28% of new React projects, Next.js in 46% (per StateOfJS 2025).
How do AI code generators (Copilot, Claude, Cursor) change frontend development?
AI codegen accelerates boilerplate (components, tests, form handlers) by 2-3x, but requires deep framework knowledge to validate correctness. AI often generates correct syntax but semantically wrong logic (wrong dependency array, missing accessibility attrs). Solution: AI for velocity on greenfield code, manual review mandatory. Use AI-assisted on existing codebases carefully. Human reviewers who understand React patterns catch bugs that AI generates.
What are React Server Components (RSC) and do I need them?
RSC (React 18+, full support in Next.js 13+) move data fetching and rendering to the server, reduce JS bundle, improve waterfall. Default in Next.js app router: components are server by default (`use client` opts to client). Reduces 60-70% JS on initial page. Not magic: you still need client interactivity for buttons, forms, animations. Master client-side React first (2-4 months), then learn RSC patterns (1 month).
Web Components vs React components, are Web Components finally here?
Web Components (custom HTML elements, Shadow DOM) are standardized but fragmented. React components are easier to reason about. Web Components useful for: framework-agnostic libraries, design system distribution, federated micro-frontends. 90% of React apps don't need them. If your component library must work in Vue+React+Svelte: consider Web Components. Otherwise, stick with framework-native components.
Accessibility (a11y), is it part of frontend dev or a separate skill?
Accessibility is core frontend skill, not optional. WCAG 2.1 AA is the industry standard (legal requirement in EU/UK). Every component you ship must support: keyboard navigation, screen readers (ARIA labels), color contrast (4.5:1 text), focus management. Tools: axe DevTools, Lighthouse, screen readers (NVDA, JAWS). Budget 10-15% of sprint time for a11y. It's not a separate phase, build accessible by default.
How do I measure and improve Core Web Vitals (LCP, INP, CLS)?
Core Web Vitals are Google's ranking metrics for speed. LCP (Largest Contentful Paint, <2.5s): lazy-load images, optimize fonts, reduce JS. INP (Interaction to Next Paint, <200ms): debounce/throttle event handlers, use requestIdleCallback. CLS (Cumulative Layout Shift, <0.1): reserve space for images/ads, avoid dynamic content shifts. Use Lighthouse CI in CI/CD, measure on real devices with web-vitals library, set budgets (e.g., max 2.5s LCP, fail builds if exceeded).
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