Full-Stack Developer · 5 Production Apps Live PHP · Python · React · FastAPI · Firebase · Stripe Connect · AI APIs
Full-stack developer with 5 production apps serving real users today. After 15+ years managing hotels across the UK — from porter to General Manager — I taught myself to code and started building the tools I always wished existed.
My edge: I understand both the operations and the technology. I've managed P&Ls, led teams of 50+ staff, and handled real-world logistics — so the software I build actually solves real problems.
Portfolio: xelauvas.dev
Multi-provider AI chat platform — Claude, GPT, Gemini, Grok & open-source models.
- Real-time streaming, web search, code artifacts
- Multi-provider routing (5+ AI providers)
PHPJavaScriptPostgreSQLClaude APIOpenRouter
AI-powered hotel revenue management with real-time competitor tracking and PMS integration.
- 365-day interactive rate canvas with AI recommendations
- Auto-discover competitors via Google Places, scrape from Google Hotels/Booking.com/Expedia
- Chrome Extension (MV3) for Hop PMS integration
React 19FastAPIFirebase FirestorePlaywrightTailwind CSSVite
Multi-restaurant food delivery marketplace with AI-powered WhatsApp ordering.
- Stripe Connect multi-vendor payments with commission tracking
- 5 AI providers for WhatsApp conversational ordering
- 58 API endpoints · 165K+ lines of code
PHP 8.2Firebase FirestoreStripe ConnectWhatsApp Business API
Hotel operations platform — housekeeping, breakfast, linen, rota, finance.
- Vision AI invoice parsing (Groq Llama 3.2 + Cerebras fallback)
- Load-balanced staff allocation & 7-day rota scheduling
- IMAP email automation for invoice fetching
PHP 8.2Tailwind CSSVision AIJSON storageVanilla JS
Self-service hotel check-in tablet kiosk.
- Guest check-in flow with dinner upselling (30-40% conversion)
- 89% email capture rate · Screensaver ambient display
- Multi-tenant with Stripe subscription billing
React 18ViteTailwind CSSFirebase FirestoreExpress.jsStripePWA
| Category | Technologies |
|---|---|
| Backend | PHP 8.2, Python, FastAPI, Express.js, REST APIs |
| Frontend | React, JavaScript, Tailwind CSS, TypeScript, Vite |
| Database | PostgreSQL, Firebase Firestore, JSON file storage |
| AI | Claude, GPT, Gemini, Groq, OpenRouter, Vision AI |
| Payments | Stripe Connect, Stripe Subscriptions |
| Integrations | WhatsApp Business API, Google Places, IMAP, Chrome Extension MV3 |
| DevOps | Docker, Linux/VPS, Git, Playwright |
- Portfolio: xelauvas.dev
- Email: contact@xelauvas.dev
- GitHub: github.com/xelauvas