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React Development Agency: Build Blazing-Fast UIs That Convert

Your product deserves more than a template. We craft custom React and Next.js applications that load instantly, scale effortlessly, and convert visitors into customers — proven by 50,000+ conversions across 120 countries.

50,000+ conversions4.9★ from 150+ reviewsReact experts since 2019

Most React projects fail because of architecture, not code

Hiring freelancers who know React syntax is easy. Finding a team that understands component architecture, state management at scale, and server-side rendering trade-offs is nearly immöglich. The result: bloated bundles, hydration mismatches, and apps that slow to a crawl as they grow.

68%
of React apps have poor Core Web Vitals
+35%
average bundle size increase per year in SPAs
40%
of projects rewritten due to poor architecture

Production-grade React development, end to end

Component Architecture & Design Systems

We build reusable, accessible component libraries with Tailwind CSS and Radix UI that keep your codebase consistent and your team productive.

Next.js App Router & SSR

Leveraging Server Components, streaming SSR, and ISR to deliver sub-second page loads with zero layout shift on every route.

State Management Done Right

Whether it's Zustand, Jotai, or Server Actions, we pick the right tool for your data flow — no Redux boilerplate unless you truly need it.

TypeScript End-to-End

Full type safety from database to UI with TypeScript, Zod validation, and auto-generated types from your API schema.

Performance Optimization

Code splitting, lazy loading, image optimization, and bundle analysis baked into every build. We target 95+ Lighthouse scores as a baseline.

Testing & CI/CD Pipeline

Vitest unit tests, Playwright E2E tests, and automated preview deployments on every pull request for confident shipping.

Results that speak louder than resumes

50,000+
Conversions delivered
120
Countries reached
97/100
Average Lighthouse score
4.9/5
Client satisfaction
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React development packages

Starter

$3,800€
  • Up to 10 pages or views
  • Responsive Tailwind CSS design
  • SEO & Core Web Vitals optimized
  • Contact form & CTA components
  • Vercel deployment
  • Delivered in 1-2 weeks
Recommandé

Professional

$9,500€
  • Full React web application
  • User authentication & roles
  • Supabase database integration
  • Admin dashboard & analytics
  • Third-party API integrations
  • 3 months support included

Enterprise

Custom€
  • Multi-tenant SaaS architecture
  • Custom component design system
  • Stripe billing & subscriptions
  • Advanced role-based access control
  • CI/CD & automated testing suite
  • Dedicated support & SLA

Häufig gestellte Fragen

We work with both. For new projects, we recommend Next.js for its SSR, routing, and deployment advantages. For existing React SPAs (Vite, CRA), we can optimize, refactor, or migrate them to Next.js if it makes sense for your use case.

Absolutely. We build fully documented, accessible component libraries using Storybook, Tailwind CSS, and Radix UI primitives. Your team gets a living design system that accelerates development across all your products.

We audit bundle sizes, implement code splitting at the route and component level, use React Server Components where möglich, and set up real-user monitoring. Our baseline target is a 95+ Lighthouse score on every page.

Our core expertise is React for web. For clients who need mobile apps alongside their web product, we can build shared logic layers and recommend React Native partners, or implement a responsive PWA that works across all devices.

Ready to build with React experts?

Get a free architecture review and project estimate within 48 hours. No commitment, no sales pitch — just technical advice.

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