Rated 4.97/5 from over 50 reviews

Frontend Development Services

Modern, high-performance frontend engineering with React, Next.js, and TypeScript — built for stability, speed, and business growth.

We develop fast, accessible, and scalable frontends tailored for modern companies. Our engineering approach goes far beyond "UI building": we combine Next.js performance, secure integrations, long-term maintainability, and clean UX to deliver frontends that users trust and teams can scale. From marketing sites to complex SaaS dashboards, we build production-ready interfaces optimized for Core Web Vitals, SEO, and enterprise reliability.

What We Deliver

Next.js / React Application Development

  • Custom React/Next.js interfaces
  • SSR, SSG, ISR, hybrid rendering (SEO + performance)
  • Component-driven architecture (Storybook-ready)
  • Real-time features and interactive UI
  • WCAG/Accessibility-ready components
  • Designed for maintainability in large teams

Modern UI Engineering

  • Tailwind CSS + custom design systems
  • Multi-step onboarding flows & advanced forms
  • Interactive dashboards, charts, maps, visualizations
  • Markdown editors, rich content blocks, inline editors
  • Framer Motion / GSAP for micro-interactions and animations
  • Responsive UI optimized for all devices

Dashboards & Client Portals

  • Admin dashboards with analytics & real-time data
  • Partner/client portals with secure role-based access
  • Multi-tenant interfaces
  • Visualization with Chart.js, D3.js, Highcharts, Mapbox
  • Internal tools for operations, finance, logistics, HR
  • Scalable structure for enterprise teams

Frontend Integrations

  • REST, GraphQL, WebSocket, SSE
  • OAuth2, Keycloak, SSO, JWT
  • Payments, CMS systems, AI/ML integrations
  • Upload pipelines (images, PDFs, large files)
  • Media optimization, responsive image workflows
  • Secure connections to enterprise systems

SEO & Performance Optimization

  • Full metadata & structured data setup
  • Dynamic sitemap generation (Next.js)
  • Lighthouse & Core Web Vitals optimization
  • Rendering strategies tuned for SEO
  • CDN + caching layers for globally distributed traffic
  • Bundle size optimization and code splitting

Why Companies in Germany Choose Our Frontend Engineering

Strong focus on performance, accessibility, SEO & Core Web Vitals
Experience with compliance-heavy industries (finance, healthcare, logistics)
Senior React/Next.js engineering (no juniors, no outsourcing chains)
German/EU infrastructure options (Vercel Frankfurt, AWS Frankfurt)
Secure integrations: OAuth2, SSO, Keycloak, enterprise auth flows
Robust architecture for long-term maintainability and scaling
Fluent technical communication and transparent development process

Industries We Serve

B2B SaaS
Fintech & finance
Healthcare & MedTech
Logistics & transportation
Real estate & PropTech
Creative platforms & media
Hospitality & travel
Consulting & professional services

When You Need Frontend Development Services

Choose this service if you need:

A fast, modern, and reliable frontend for your product
Migration to Next.js from React, Vue, Angular, or legacy stacks
A scalable frontend for B2B or enterprise systems
A UX-focused, conversion-oriented marketing website
Secure dashboards and client portals
Multi-language global-ready frontend (DE/EN/PL/ES/RU)
A frontend team that deeply understands backend architecture
A codebase that stays stable for years, not months

Tools & Technologies

Core Stack

React, Next.js, TypeScript, JavaScript (ES2023)

UI/UX & Styling

Tailwind CSS, CSS Modules, Storybook, Framer Motion, GSAP

Data Visualization

Chart.js, D3.js, Highcharts, Mapbox, Recharts

Integrations

REST APIs, GraphQL, WebSocket, SSE, OAuth2, Keycloak, SSO

Performance & SEO

Lighthouse, Core Web Vitals, Next SEO, structured metadata

Platforms

Vercel, AWS, Supabase, Docker

Headless CMS

Storyblok, Sanity, Contentlayer, Strapi

FAQ (Optimized for DE SEO)

Do you work only with React and Next.js?

Yes — these are our core technologies. We support legacy frameworks during migrations.

Can you build dashboards and portals?

Yes — secure dashboards and client portals are a major part of our expertise.

Do you handle performance optimization?

Absolutely — we optimize rendering, reduce bundle size, implement caching, and tune for Core Web Vitals.

Can you integrate with our backend?

Yes — REST, GraphQL, WebSocket, SSE, and enterprise authentication flows like OAuth2/Keycloak.

Do you support multi-language websites (DE/EN)?

Yes — including routing, translations, SEO, schema, and localized content handling.

We work with companies in Berlin and across Germany, delivering React and Next.js frontend development, UI engineering, and performance optimization. Our Berlin-based team focuses on modern JavaScript frameworks, headless CMS integration, and Core Web Vitals optimization for B2B SaaS platforms and enterprise dashboards.

Frontend Development in Berlin | React & Next.js | H-Studio