Web Design Portfolio Hamburg — Successful Projects
Performance metrics publicly available.
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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Professional brand identity for our clients
VetCar24
Mobile Veterinary Emergency Service Hamburg - Next.js 16 + Supabase
View Case StudyAlso built for this client
Staff App — React Native & Expo
Our References
Trust Through Quality
VetCar24
Veterinary Medicine • Hamburg
Enterprise platform built with Next.js 16, Supabase and custom booking system - migrated from Wix to a headless architecture with 206+ SEO pages and Google Business integration
Project Results
- 206+ SEO-optimized pages statically generated
- Custom booking system with real-time status tracking
- Automatic Google Reviews synchronization
- 104 district-specific emergency service pages for Hamburg
- 747 unit tests, 12 E2E tests
- PWA-capable with push notifications for staff team
Also built for this client
VetCar24 Staff App — React Native & ExpoHeimServ
Property Management • Hamburg
Astro 5 SSR with Islands Architecture, TypeScript strict mode, <300ms TTFB on Vercel Edge Network
Project Results
- 98 Lighthouse Performance Score
- <300ms TTFB achieved
- Core Web Vitals: LCP 1.2s, FID 45ms, CLS 0.02
- 0 TypeScript errors
- WCAG 2.1 AA compliant
- 100% mobile responsive
CESAR Security UG
Security Services • Hamburg
Website built with Next.js 16, Supabase CMS, careers portal, image gallery, and A+ security ratings for an IHK-certified security company in Hamburg.
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 productOur 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.
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
Also part of this product
Glenby App — React Native 0.86RustPocket
Gaming & Desktop Software • Remote
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.
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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