27.04.2026 aktualisiert
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Senior Full-Stack Developer | React, TypeScript, Next.js, NestJS (6+ years)
Weiler, Österreich
Weltweit
Bachelor | University of Sports and Physical EducationÜber mich
Senior Full-Stack Developer mit 6+ Jahren Erfahrung in React, TypeScript, Next.js, Node.js und NestJS. Zuletzt Core-Entwickler bei Bookingbird (SaaS-Buchungsplattform): React-Dashboard mit 300+ Komponenten, Next.js-Portal auf Cloudflare Edge, NestJS-Backend mit 45+ Modulen. Remote DACH/EU.
Skills
JavaScriptMongoDBRedisNext.jsTypeScriptWebSocketBackendStripeFull Stack EntwicklungReact NativeFront EndNestJS
Senior Full-Stack Developer with 6+ years of experience in production web and mobile applications. Available for remote freelance projects across DACH and EU.
PROFILE
Most recently core developer on Bookingbird, an enterprise SaaS booking and business management platform serving 10+ industries (wellness, fitness, events, professional services). Built and maintained:
- Admin dashboard in React 18 + TypeScript + Vite with 300+ components, multi-step forms, and real-time collaboration via Socket.IO
- Customer portal in Next.js 15 deployed to Cloudflare edge, handling public booking flows, calendars, and Stripe payments
- Backend API in NestJS + MongoDB + Redis with 45+ modules covering bookings, payments, invoicing, subscriptions, and workflow automation
CORE STACK
- Frontend: React, TypeScript, Next.js, React Native, Zustand, React Query, React Hook Form, Tailwind, SCSS
- Backend: Node.js, NestJS, Express, GraphQL, REST APIs
- Data: MongoDB, Redis, PostgreSQL
- Cloud: AWS, Cloudflare (Pages + Workers), Vercel
- Real-time: Socket.IO, WebSockets, WebRTC
- Payments: Stripe (subscriptions, dunning, invoicing, refunds)
- Tooling: Git, Vite, ESLint, Prettier, Sentry
- AI workflow: Claude Code, Cursor
EXPERIENCE BY TECH
- React / TypeScript / Next.js: 6+ years
- Node.js / NestJS / Express: 4+ years
- React Native: 3 years
- MongoDB / Redis: 4+ years
- Stripe integrations: 2.5 years
- AWS / Cloudflare: 3+ years
WORKING STYLE
End-to-end ownership: architecture → implementation → deployment → production monitoring. Clear async communication, fast turnaround, no surprises.
LANGUAGES
English: fluent (C1)
German: basic, actively improving (A2-B1)
Ukrainian, Russian: native / fluent
Erfahrung
Berufserfahrung5 - 10 Jahre
Freelancer seit2020
Sprachen
DeutschGrundkenntnisseEnglischverhandlungssicherUkrainischMuttersprache
Projekthistorie
Core-Entwickler bei Bookingbird — eine Enterprise-SaaS-Buchungs- und Business-Management-Plattform für 10+ Branchen (Wellness, Fitness, Events, Professional Services). Drei Hauptanwendungen entwickelt und gepflegt:
• Admin-Dashboard (React 18, TypeScript, Vite) mit 300+ Komponenten, mehrstufigen Formularen und Echtzeit-Kollaboration via Socket.IO
• Customer Portal (Next.js 15) auf Cloudflare Edge, für öffentliche Buchungs-Flows, Kalender und Stripe-Zahlungen
• Backend-API (NestJS, MongoDB, Redis) mit 45+ Modulen für Buchungen, Zahlungen, Rechnungswesen, Abos und Workflow-Automation
Highlights:
• Stripe-Integration (Subscriptions, Dunning, Invoicing, Refunds)
• Visual Drag-and-Drop Page Builder für Kunden
• Erweiterte Terminplanung mit FullCalendar (Verfügbarkeitsregeln, Konfliktlösung)
• Mehrsprachigkeit (EN, DE, UK) via i18next + Tolgee CDN
Stack: React, TypeScript, Next.js, Vite, NestJS, Node.js, MongoDB, Redis, Stripe, Socket.IO, AWS, Cloudflare, Zustand, React Query, GraphQL.