🚀 Full Stack Mobile App Developer (React Native)

📍 Islamabad, Pakistan • 💼 4+ Years Experience • 🌍 Available for Remote Work

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🔗 Portfolio | LinkedIn | Contact

Portfolio • LinkedIn • 📧 tauseef.coder@gmail.com

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I am a Full Stack Mobile Engineer specializing in building scalable, production-grade mobile applications for iOS and Android.

I focus on:

• High-performance React Native applications
• Scalable backend systems (Node.js + MongoDB + Firebase)
• Real-time features (chat, notifications, live updates)
• Payment systems (Stripe, RevenueCat, In-App Purchases)
• Data-driven product development using analytics

📊 Experience impact:

• 100K+ users reached across apps
• 30% performance improvement
• 25% crash reduction through optimization

🔒 Source code is private (client confidentiality)

📊 100K+ downloads (iOS + Android)
🎥 Demo: https://www.youtube.com/watch?v=GyLeyEzSay4

🔗 Links:

• Android: https://play.google.com/store/apps/details?id=com.u4ria
• iOS: https://apps.apple.com/pk/app/u4ria-mindfulness-calm/id6466178488
• Website: https://www.u4riahub.com

U4ria is a mindfulness & wellness mobile application designed to improve mental well-being through guided experiences, content, and personalized engagement.

• Subscription system (RevenueCat)
• Real-time backend (Node.js + MongoDB)
• Push notifications & engagement flows
• User analytics & tracking using Amplitude
• High-performance React Native UI

• Built full cross-platform app (iOS & Android)
• Implemented subscriptions & in-app purchases
• Optimized performance & memory usage

• Implemented event tracking (onboarding, engagement, retention)
• Built funnels & retention analysis using Amplitude
• Improved product decisions using data insights

• Built complete business dashboard
• Managed users, subscriptions & content
• Developed REST APIs (Node.js + MongoDB)
• Enabled real-time monitoring system

• Firebase + Google Calendar integration
• Prayer time system based on location
• Multi-language support

• MERN stack backend
• Subscription & payment system
• Real-time chat + AWS S3 storage

• QR-based reporting system
• Role-based authentication
• Driver tracking & logs

✔ Production-ready mobile apps
✔ Clean and scalable architecture
✔ Strong UI/UX focus
✔ End-to-end development (Frontend + Backend)
✔ Performance optimization

📧 Email: tauseef.coder@gmail.com
💼 Fiverr: https://www.fiverr.com/tauseef_devpro
🌐 Portfolio: https://reactnative-portfolio.vercel.app