Webshop Development Custom, Scalable, Performance-First

Professional webshop development for demanding requirements. Headless commerce, custom features, B2B integration. Scalable from 100 to 100,000 products.

50+ Projekte
98% Zufriedenheit
5+ Jahre Erfahrung

WebshopDevelopment2025:CustomE-CommerceSolutionsforScale&Performance

Professional webshop development goes far beyond standard platforms. Learn why custom development, performance engineering, and scalability determine success or failure.

Inhaltsverzeichnis

5 Abschnitte

Why Custom Webshop Development? The Difference from Template Solutions

Having a professional webshop developed in 2025 no longer means adapting a ready-made template. Successful e-commerce companies rely on custom development: tailored solutions that fit their exact business processes. The difference? While template shops slow down at 5,000 products, custom-developed webshops scale seamlessly to 100,000+ products – with < 0.5s load time. Performance is non-negotiable: Every 100ms slower load time costs 1% conversion. At €500k monthly revenue, that's €60k less per year.

When you have a webshop developed, you invest in technical excellence: Custom backend architectures with Node.js/PostgreSQL for complex logic, headless commerce for maximum frontend flexibility, API-first design for integrations (ERP, CRM, PIM), microservices architecture for scalability, and event-driven processing for real-time inventory. Factors that standard platforms cannot offer.

Headless Commerce: The Future of Webshop Development

Headless commerce decouples frontend (what customers see) from backend (business logic & data). The advantage? Absolute frontend flexibility with React/Next.js for unique shopping experiences, multi-channel commerce (web, mobile app, POS, IoT) from one source, lightning-fast performance through static site generation, and full control over customer experience. When you have a webshop developed with headless architecture, you pay more upfront but save long-term through lower change requests and better performance.

Performance Engineering: Sub-0.5s Load Times with 100k+ Products

Custom webshop development enables performance levels that standard platforms never reach: Intelligent database query optimization (N+1 query elimination, index optimization), multi-layer caching (Redis, CDN, browser cache), image optimization pipeline (WebP/AVIF, responsive sizes, lazy loading), code splitting & tree shaking for minimal bundle sizes, and server-side rendering with streaming for instant page loads. Our custom-developed webshops load in < 0.5s – even with 100,000 products.

B2B E-Commerce: Custom Features for Complex Requirements

B2B webshops have requirements that standard solutions don't cover: Customer-specific price lists (dynamic by customer group, volume, contract), quote management (requests, negotiation, approval workflows), ERP integration (SAP, Microsoft Dynamics, Odoo) for real-time inventory, multi-approval checkout (multiple approval levels for large orders), and custom payment terms (invoice with 30/60/90 day payment terms). Custom webshop development makes these features possible.

What Does Professional Webshop Development Cost?

Custom webshop development starts at €30,000 for medium-sized projects (custom frontend + standard backend like Medusa.js), €60,000+ for fully custom solutions (frontend + backend + integrations), and €150,000+ for enterprise B2B solutions with ERP integration. The investment is higher than template shops (€15k), but the ROI is measurable: 3-5x higher conversion through optimized UX, 50% lower server costs through better architecture, unlimited scalability without platform limits, and full control without vendor lock-in.

Custom-developed webshops achieve an average 22% conversion rate vs. 12% for premium templates and 2% for standard templates. With the same traffic, that means 11x more revenue – the investment pays for itself in 3-6 months.

Webshop Development Expertise in Numbers

Over 5 years of e-commerce engineering. Custom solutions for measurable business success.

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Custom Webshop Projects

From headless commerce to full-stack custom development with 100k+ products

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Avg. Conversion Rate

11x higher than standard templates through custom UX optimization

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Avg. Load Time

Sub-0.5s performance even with 100,000+ products through engineering excellence

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Max. Products

Scalable architectures for unlimited product catalog growth

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Lighthouse Score

Performance-first development for top ranking & conversion

Why Professional Webshop Development?

Custom development goes beyond standard shops. Invest in technical excellence for measurable business success.

22%+ Conversion Rate Through Custom UX

Custom-developed webshops achieve 22% conversion vs. 12% premium templates and 2% standard templates. 11x more revenue with the same traffic through tailored user experience and optimized checkout flows.

Sub-0.5s Performance with 100k+ Products

Custom backend architecture enables performance levels that standard platforms never reach. Multi-layer caching, database optimization, CDN integration for lightning-fast load times even with massive product catalogs.

Unlimited Scalability Without Platform Limits

From 100 to 100,000 products without performance loss. Microservices architecture, event-driven processing, database sharding for unlimited growth. No platform restrictions, no forced upgrades.

B2B Features Out of the Box

Customer-specific price lists, quote management, multi-approval workflows, ERP integration. Custom development for complex B2B requirements that standard platforms cannot cover.

API-First for Multi-Channel Commerce

Web, mobile app, POS, IoT from one source. Headless commerce architecture with REST/GraphQL APIs for maximum flexibility. Sell everywhere, manage centrally.

Full Code Ownership & Vendor Independence

100% code ownership after project completion. No vendor lock-in, no platform dependencies. You own your code, your data, your future. Expandable anytime, migratable anytime.

Our Webshop Development Services

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Webshop Development Tech Stack

Modern, scalable, future-proof – our engineering stack for custom e-commerce.

Frontend Engineering
Backend & APIs
Commerce Platforms
Infrastructure & Performance
Frontend Engineering
Backend & APIs
Commerce Platforms
Infrastructure & Performance
Frontend Engineering
Backend & APIs
Commerce Platforms
Infrastructure & Performance
Frontend Engineering
Backend & APIs
Commerce Platforms
Infrastructure & Performance
Frontend Engineering
Backend & APIs
Commerce Platforms
Infrastructure & Performance
Frontend Engineering
Backend & APIs
Commerce Platforms
Infrastructure & Performance
Frontend Engineering
Backend & APIs
Commerce Platforms
Infrastructure & Performance
Frontend Engineering
Backend & APIs
Commerce Platforms
Infrastructure & Performance

Frontend Engineering

Next.js 14+ (App Router, Server Components), React 18+ (Concurrent Features), TypeScript (strict type-safety), Tailwind CSS (utility-first design), Framer Motion (micro-animations)

Backend & APIs

Node.js + Express/NestJS, PostgreSQL (relational) + MongoDB (document), Redis for caching & sessions, GraphQL + REST APIs, microservices architecture

Commerce Platforms

Medusa.js (open source headless), Saleor (GraphQL-native e-commerce), Commerce.js (API-first platform), Shopify Storefront API (hybrid), custom solutions (full control)

Infrastructure & Performance

Vercel/AWS for hosting, CDN (Cloudflare, Fastly), Docker + Kubernetes for microservices, CI/CD (GitHub Actions, Jenkins), monitoring (Sentry, LogRocket, New Relic)

Webshop Development Packages

Headless Commerce Starter

from €30,000
  • Next.js 14 frontend + Medusa.js backend
  • Custom design & UX (conversion-optimized)
  • Payment integration (Stripe, PayPal)
  • Product management admin dashboard
  • Performance optimization (Lighthouse 95+)
  • SEO setup & analytics
  • 8 weeks development
  • 4 weeks post-launch support
BELIEBT

Custom Full-Stack Solution

from €60,000
  • Custom frontend (React/Next.js) + custom backend (Node.js)
  • PostgreSQL database design & optimization
  • Complex business logic implementation
  • API development (REST/GraphQL)
  • ERP/CRM integration (1-2 systems)
  • Advanced features (B2B, multi-channel, etc.)
  • 12-16 weeks development
  • 8 weeks post-launch support & optimization

Enterprise B2B Development

from €150,000
  • Enterprise-grade architecture (microservices)
  • B2B features (price lists, quotes, multi-approval)
  • Multiple ERP/CRM/PIM integrations
  • Custom admin dashboard & reporting
  • Multi-tenant architecture (for multiple brands)
  • Performance for 100k+ products
  • Dedicated development team
  • 6+ months development
  • 12 weeks support + ongoing maintenance contract

Ready for something extraordinary?

Let's start your next project

Webshop Development – Scalable, High-Performance & Custom | Qodero