| Frontend (Employee App) | React Native + Expo | Cross-platform iOS/Android mobile app |
| Frontend (Driver App) | React Native + Expo | Android-focused driver interface |
| Frontend (Admin Dashboard) | Next.js on AWS Amplify | Web dashboard with CI/CD deployment |
| API Backend | AWS Lambda + API Gateway | Serverless REST APIs for all operations |
| Database | Amazon RDS (PostgreSQL) | Employee data, bookings, fleet records |
| Real-time Updates | AWS AppSync (GraphQL) | Live location tracking and ride status |
| Authentication | Amazon Cognito | Multi-role access (employee/driver/admin) |
| Maps & Routing | Google Maps API | Live tracking, route optimization, navigation |
| Notifications | Amazon SNS + Firebase Cloud Messaging | Push notifications for pickups, alerts, SOS |
| Storage | Amazon S3 | Driver check-in photos, vehicle documents |
| Analytics | Amazon QuickSight | Fleet efficiency reports and dashboards |
| Monitoring | Amazon CloudWatch | System health, API performance, error tracking |
| Email | Amazon SES | Booking confirmations, maintenance alerts |
| Geolocation | Amazon Location Service | GPS tracking, geofencing for pickup zones |
| Caching | Amazon ElastiCache (Redis) | Fast OTP generation and validation |
| File Processing | AWS Step Functions | Automated attendance sync to HR system |
| CDN | Amazon CloudFront | Fast global asset delivery for web dashboard |