Web Design Portfolio Hamburg. Successful Projects

Performance metrics publicly available.

Our Own Work

senorit.de Proof of Our Performance Claims

Our own website runs on the same stack we build for clients. Check the scores yourself using the links below.

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95 Performance
100 Accessibility
100 Best Practices
100 SEO

Logo Design

Professional brand identity for our clients

HeimServ Logo

HeimServ

Property Management Hamburg

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VetCar24 Logo

VetCar24

Mobile Veterinary Emergency Service Hamburg - Next.js 16 + Cloudflare

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Also built for this client

Staff App. React Native & Expo
CESAR Security UG Logo

CESAR Security UG

Security Service Hamburg

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Our References

Trust Through Quality

VetCar24

Veterinary Medicine · Hamburg

Website

Enterprise platform built with Next.js 16, Cloudflare and custom booking system - migrated from Wix to a headless architecture with 180 SEO pages and Google Business integration

  • Wix-to-Headless Migration
  • Next.js 16 App Router
  • Custom Booking System with Real-time Tracking
  • Cloudflare Workers, D1 & R2
  • Google Business Profile Integration
  • SEO Content Engine (180 Pages)
  • Email Automation (Resend)
  • Rate Limiting & Security (Cloudflare)

Project Results

  • 180 statically generated pages in the sitemap index
  • Custom booking system with real-time status tracking
  • Automatic Google Reviews synchronization
  • 83 district-specific emergency service pages for Hamburg
  • 724 unit tests, 89 E2E test cases
  • PWA-capable with push notifications for staff team

HeimServ

Property Management · Hamburg

Website

Astro 5 SSR with Islands Architecture, TypeScript strict mode, hosted on Cloudflare Workers (since October 2026, previously Vercel)

  • Astro 5 SSR Development
  • React 19 Islands
  • TypeScript strict mode
  • Tailwind CSS + Design Tokens
  • Lighthouse lab test: desktop 99, mobile 91 (6 Dec 2025)

Project Results

  • Lighthouse lab test, 6 Dec 2025: desktop 99, mobile 91
  • Archived lab measurement; not evidence of passing Core Web Vitals
  • 0 TypeScript errors
  • Automated Lighthouse accessibility check: 100 (6 Dec 2025)
  • 100% mobile responsive

CESAR Security UG

Security Services · Hamburg

Website

Website built with Next.js 16, a custom CMS on Cloudflare, careers portal, image gallery, and A+ security ratings for an IHK-certified security company in Hamburg.

  • Next.js 16 App Router
  • CMS auf Cloudflare (Tiptap)
  • Careers Portal
  • Image Gallery
  • Blog System
  • Local SEO Hamburg
  • A+ Security Ratings (SSL Labs, Security Headers)
  • WCAG 2.1 AA Compliant

Project Results

  • A+ rating at SSL Labs, Security Headers & Mozilla Observatory
  • Full CMS, content maintainable in-house without developers
  • Careers portal with direct application function
  • WCAG 2.1 AA accessibility
  • Local SEO optimised for Hamburg
  • IHK certification prominently communicated

Glenby

Outdoor & Leisure · Hamburg

Our own product
Website

Our own product: a microadventure app for Android with 14,702 GPS-verified nature tasks, end-to-end encrypted chats and EU hosting. Plus a bilingual marketing website built with Next.js 16.

  • React Native 0.86 (bare, local Gradle builds)
  • Next.js 16 marketing website (DE/EN)
  • Cloudflare Workers with D1 (since August 2026, previously Supabase)
  • WebRTC video calls with native Kotlin PiP module
  • On-device ML: image labeling & NSFW filter
  • End-to-end encrypted chats
  • Google Play release
  • GDPR, TDDDG & JMStV compliance

Project Results

  • 14,702 bilingual nature tasks with GPS verification
  • 483 unit tests across 63 test files
  • Live on Google Play
  • 1:1 video calls with native picture-in-picture
  • On-device ML without a server roundtrip
  • Website: 34 rendered pages (DE + EN) in under 2 weeks

RustPocket

Gaming & Desktop Software · Remote

Website

3D marketing website and Windows desktop app for a Rust+ companion tool: Next.js 16, React Three Fiber, scroll-driven camera flight, Electron and Stripe.

  • Next.js 16 + React Three Fiber
  • 6 procedural 3D instruments (0 imported 3D models)
  • Scroll-scrubbed video camera flight (all-intra encoded)
  • One shared WebGL context across all pages
  • Electron desktop app with auto-updates
  • Stripe checkout + Ed25519 license system
  • Render-tier fallback for weak GPUs

Project Results

  • 6 procedural 3D instruments, not a single imported 3D model
  • One shared WebGL context instead of nine (no context-loss crash)
  • Scroll video flight: 6 legs, desktop and mobile variants
  • Render tiers high/low/off based on GPU, CPU cores and reduced motion
  • Electron app v1.1 with auto-updates and Ed25519-signed license checks
  • From first commit to launch in 4 days

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