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System Architecture

TalaTalk is built on a modern, scalable architecture that combines cross-platform mobile development with web-based administration tools, all powered by Firebase’s robust backend services.

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High-Level Architecture

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Technology Stack Details

Frontend Technologies

Mobile App:
  • React Native 0.79.5
  • Expo SDK ~53.0.0
  • TypeScript 5.8.3
  • React Navigation 7.x
  • React 19.0.0
Web Dashboard:
  • React 19.2.0
  • TypeScript 5.9.3
  • Vite 7.1.9
  • Tailwind CSS 4.1.14
  • Radix UI Components
  • Framer Motion 12.x
  • Recharts (for data visualization)

Backend Services

Firebase Services:
  • Firebase 12.3.0
  • Authentication (Email/Password)
  • Cloud Firestore (NoSQL Database)
  • Firebase Storage (File Management)
  • Cloud Messaging (Push Notifications)
  • Firebase Hosting (Web Deployment)
  • Firestore Security Rules

Development Tools

Build & Deploy:
  • GitHub Actions (CI/CD)
  • Vercel (Web Hosting)
  • Expo Application Services
  • Firebase CLI
Code Quality:
  • ESLint & Prettier
  • TypeScript Compiler
  • Jest (Testing)

UI/UX Libraries

Mobile UI:
  • React Native Components
  • Expo Vector Icons
  • React Native Calendars
Web UI:
  • Radix UI Components
  • Framer Motion
  • Lucide React Icons
  • Tailwind CSS

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Data Flow Architecture

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Database Schema Overview

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Security Architecture

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Deployment Architecture

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Performance Optimization

  • Code Splitting: Lazy loading of components and routes
  • Bundle Optimization: Tree shaking and minification
  • Caching: Service worker for offline functionality
  • Image Optimization: Compressed images and lazy loading
  • Indexing: Optimized Firestore indexes for queries
  • Pagination: Efficient data loading with pagination
  • Caching: Client-side caching for frequently accessed data
  • Real-time Updates: Selective subscription to data changes
  • CDN: Firebase Hosting with global CDN
  • Compression: Gzip compression for assets
  • HTTP/2: Modern protocol support
  • Connection Pooling: Efficient database connections
  • Offline Support: Local data caching and sync
  • Push Notifications: Efficient notification delivery
  • Background Sync: Data synchronization when app is backgrounded
  • Memory Management: Optimized memory usage for mobile devices

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Scalability Considerations

Horizontal Scaling

  • Firebase automatically scales backend services
  • CDN distribution for global content delivery
  • Load balancing for web applications
  • Microservices architecture ready

Database Scaling

  • Firestore’s automatic sharding
  • Optimized query patterns
  • Efficient data modeling
  • Connection pooling

Caching Strategy

  • Client-side caching for mobile apps
  • CDN caching for web assets
  • Database query result caching
  • Session state management

Monitoring & Analytics

  • Firebase Analytics integration
  • Performance monitoring
  • Error tracking and reporting
  • User behavior analytics

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API Architecture

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Integration Points

1

Firebase Integration

Authentication: Email/password authentication with verification Database: Cloud Firestore for real-time data synchronization Storage: Firebase Storage for file uploads and media Messaging: Firebase Cloud Messaging for push notifications
2

Third-party Services

Email Service: SMTP integration for email invitations Push Notifications: FCM for mobile and web notifications File Processing: Image compression and document handling Analytics: Firebase Analytics for user behavior tracking
3

Development Tools

Version Control: GitHub for source code management CI/CD: GitHub Actions for automated deployment Testing: Jest for unit testing and integration tests Monitoring: Firebase Performance Monitoring
This architecture is designed to be scalable, secure, and maintainable. The use of Firebase provides a robust backend infrastructure that automatically handles scaling, security, and performance optimization.
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