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Next.js & React Development Services

Build lightning-fast, production-ready web applications with Next.js 15, React 19, and TypeScript. Expert development for Swedish enterprises.

Next.js 15 + React 19
TypeScript First
Production-Ready

Why Next.js for Enterprise Applications?

Performance & Speed

Next.js delivers exceptional performance through server-side rendering, automatic code splitting, and intelligent prefetching. Your users get instant page loads.

  • React Server Components for zero-JS initial load
  • Streaming with Suspense for instant feedback
  • Image optimization & lazy loading built-in
  • Edge runtime for global low-latency

SEO & Discoverability

Server-side rendering ensures search engines can fully index your content, while metadata API provides complete control over SEO.

  • Full SSR/SSG for perfect SEO
  • Automatic sitemap generation
  • Open Graph & Twitter Card support
  • Structured data (JSON-LD) integration

Our Next.js Development Services

Full-Stack Web Applications

  • Custom app architecture & design
  • Server & client components
  • API routes & server actions
  • Database integration (Prisma/Drizzle)
  • Authentication (NextAuth.js)
  • Form handling & validation (Zod)

UI/UX Development

  • Shadcn/ui component library
  • Tailwind CSS responsive design
  • Radix UI primitives
  • Dark mode implementation
  • Accessibility (WCAG 2.1 AA)
  • Animation (Framer Motion)

Backend & APIs

  • RESTful API development
  • GraphQL with Apollo Client
  • tRPC for end-to-end type safety
  • Webhook integrations
  • Third-party API integration
  • Rate limiting & caching

Performance Optimization

  • Bundle size optimization
  • Code splitting strategies
  • Image & font optimization
  • Caching strategies (ISR/On-demand)
  • Core Web Vitals tuning
  • Performance monitoring (Vercel Analytics)

Security & Testing

  • CSRF protection
  • XSS prevention
  • SQL injection prevention
  • Unit & integration tests (Vitest)
  • E2E testing (Playwright)
  • Security audits & penetration testing

Deployment & DevOps

  • Vercel deployment & optimization
  • Azure deployment (Container Apps)
  • CI/CD pipelines (GitHub Actions)
  • Environment management
  • Monitoring & error tracking (Sentry)
  • Blue-green deployments

Our Next.js Technology Stack

Core Framework

  • Next.js 15 (App Router)
  • React 19 (Server Components)
  • TypeScript 5.x
  • Turbopack (dev & build)

UI & Styling

  • Tailwind CSS 4
  • Shadcn/ui Components
  • Radix UI Primitives
  • Framer Motion

Data & State

  • Prisma ORM
  • Drizzle ORM
  • React Query (TanStack)
  • Zustand/Jotai

Backend & APIs

  • tRPC
  • GraphQL (Apollo)
  • NextAuth.js
  • Zod Validation

Testing

  • Vitest
  • React Testing Library
  • Playwright
  • MSW (Mock Service Worker)

DevOps & Monitoring

  • Vercel Platform
  • GitHub Actions
  • Sentry
  • Vercel Analytics

Databases

  • PostgreSQL
  • Azure Cosmos DB
  • Vercel Postgres
  • Redis

Tools & Utilities

  • ESLint & Prettier
  • Husky (Git hooks)
  • Changesets (versioning)
  • Storybook

Project Examples

Enterprise B2B SaaS Platform

Multi-tenant application for Swedish government agencies

Built a comprehensive B2B platform serving 40+ municipalities with document management, workflow automation, and analytics dashboard.

Tech: Next.js 15, Prisma, PostgreSQL, tRPC, NextAuth.js
Scale: 15,000+ daily active users
Performance: 98 Lighthouse score, <1s page loads
Client: Stockholms stad, Nacka Kommun

E-Commerce Platform

High-traffic online retail platform with real-time inventory

Developed a headless e-commerce platform with Shopify backend, handling 500K monthly visitors and processing €2M+ in monthly transactions.

Tech: Next.js 15, Shopify Storefront API, Stripe, Redis
Scale: 500K monthly visitors, 50K products
Performance: 95+ Core Web Vitals, ISR caching
Client: Nordic Fashion Retailer

Real-Time Collaboration Tool

Document collaboration platform with live editing

Created a Google Docs-style collaboration platform using WebSockets, operational transforms, and real-time presence indicators for enterprise teams.

Tech: Next.js 15, WebSockets, Yjs, Liveblocks, Postgres
Scale: 1000+ concurrent users, real-time sync
Features: CRDT, presence, comments, version history
Client: Ericsson, TietoEVRY

AI-Powered Analytics Dashboard

Business intelligence platform with ML predictions

Built an analytics dashboard integrating Azure OpenAI for natural language queries, automated insights, and predictive analytics for executive decision-making.

Tech: Next.js 15, Azure OpenAI, D3.js, tRPC, Postgres
Features: NL queries, automated reports, ML predictions
Data: 10TB+ processed, real-time streaming
Client: Telia Company, Ellevio

Development Packages

MVP Launch

Perfect for startups and new products

185,000 SEKone-time
  • Next.js 15 + React 19 setup
  • 5-8 custom pages/routes
  • Shadcn/ui component library
  • Responsive design (mobile-first)
  • API routes & database integration
  • Authentication (NextAuth.js)
  • Vercel deployment
  • 6 weeks delivery
  • 30 days support
Most Popular

Professional

Full-featured production application

425,000 SEKone-time
  • Everything in MVP, plus:
  • 15-25 custom pages/features
  • Advanced UI/UX with animations
  • tRPC or GraphQL API layer
  • Multi-role authorization (RBAC)
  • 3rd-party integrations (Stripe, etc.)
  • Testing suite (unit + E2E)
  • Performance optimization (90+ Lighthouse)
  • CI/CD pipeline setup
  • 12 weeks delivery
  • 90 days support

Enterprise

Large-scale applications at scale

Custom
  • Everything in Professional, plus:
  • Unlimited pages/features
  • Microservices architecture
  • Multi-tenant SaaS capabilities
  • Real-time features (WebSockets)
  • Advanced security & compliance
  • Load testing & auto-scaling
  • Dedicated team (3-5 developers)
  • Custom SLA & support agreement
  • Flexible timeline
  • 12 months support included

* Monthly retainer packages available starting at 45,000 SEK/month for ongoing development.

Our Development Process

1

Discovery & Planning (Week 1-2)

Requirements gathering, user research, technical architecture design, wireframing, tech stack selection, and project timeline planning.

2

Design & Prototyping (Week 2-3)

UI/UX design in Figma, component library creation, design system documentation, interactive prototypes, and stakeholder review sessions.

3

Sprint Development (Week 4-10)

Agile 2-week sprints, continuous integration, weekly demos, feature development, API integration, testing, and iterative refinement based on feedback.

4

Testing & QA (Week 11)

Comprehensive testing (unit, integration, E2E), performance testing, accessibility audit, security review, browser compatibility testing, and bug fixing.

5

Launch & Support (Week 12+)

Production deployment, monitoring setup, performance optimization, team training, documentation handover, and ongoing maintenance & support.

Ready to Build Your Next.js Application?

Let's discuss your project requirements and create a custom development plan. We'll help you choose the right architecture and deliver a high-performance application.

Technspire AB - AI Services & Cloud Development for Swedish Enterprises | Technspire AB