React & React Native Developer building apps that real people use every day.
My latest project has 10 AI-powered game engines. My mobile app has 10,000+ downloads on Google Play.
- 🤖 AI-Powered Platforms — DeepSeek AI, ElevenLabs, gamification
- 📱 Mobile Apps — React Native, from idea to Google Play with paying subscribers
- 🌐 Web Platforms — React, Firebase, real-time sync, booking systems
Tranquilo.Quest — Gamified Language Learning PWA
AI-powered platform with 10 custom game engines for learning survival Spanish.
🎮 10 Engines · 🤖 DeepSeek AI Tutor · 🎧 ElevenLabs Voice · 🏆 XP & Achievements
Built with: React · Firebase · DeepSeek AI · ElevenLabs · PWA
Positive Audio Affirmations — Mobile App
Self-improvement app with voice affirmations and paying subscribers.
⭐ 4.0 rating · 📥 10,000+ downloads · 💰 MRR via RevenueCat
Built with: React Native · Redux Persist · Firebase · RevenueCat
The Spanish LXP: Immersion Quest — EdTech
Gamified learning platform with AI tutor and travel metaphor.
🛂 Digital Passport UI · 🧠 AI Error Correction
Built with: React · DeepSeek AI · Firestore · Gamification
Tutor Booking SaaS — Full-Stack Web App
Automated scheduling with Google Calendar sync and email reminders.
📅 Calendar Sync · ✉️ Auto Reminders
Built with: React · Firebase · Google Calendar API · GitHub Actions
Voice Journal — Mobile App
Speech-to-text journaling app with Python backend.
🎙️ 1,000+ Downloads · 🐍 Flask Backend
Built with: React Native · Python (Flask) · Speech Recognition
| Layer | Technologies |
|---|---|
| Mobile | React Native, Redux Persist, In-App Purchases |
| Frontend | React 19, JavaScript (ES6+), HTML/CSS |
| Backend | Firebase (Auth, Firestore), Python/Flask, Node.js |
| AI & APIs | DeepSeek AI, ElevenLabs, Google Calendar API, RevenueCat |
| Tools | Git, GitHub Actions CI/CD, Google Play Console, PWA |
🇬🇧 English · 🇪🇸 Spanish · 🇮🇹 Italian · 🇷🇺 Russian
🌐 Portfolio · 💼 LinkedIn · 📧 xenia13@protonmail.com
Based in Palermo, Italy 🇮🇹 · Open to remote opportunities