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xelauvas/README.md

Alex Savu

Full-Stack Developer · 5 Production Apps Live PHP · Python · React · FastAPI · Firebase · Stripe Connect · AI APIs


About

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


Production Apps

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)
  • PHP JavaScript PostgreSQL Claude API OpenRouter

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 19 FastAPI Firebase Firestore Playwright Tailwind CSS Vite

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 8.2 Firebase Firestore Stripe Connect WhatsApp 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 8.2 Tailwind CSS Vision AI JSON storage Vanilla 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 18 Vite Tailwind CSS Firebase Firestore Express.js Stripe PWA

Tech Stack

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

Contact

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