- Payment Gateway Integration (In-App Purchases, Stripe, Socket-based integrations)
- State Management: BLoC, GetX, Provider
- Firebase: Authentication, Cloud Firestore/Realtime Database, Chat, Push Notifications (FCM)
- Offline Data Handling & Local Storage (Hive, SQLite, SharedPreferences)
- Responsive UI Development for multiple platforms (Android, iOS, Web, iPad)
- Deep Linking & Native Method Channels
- IoT Device Integration
- App Deployment & Publishing on Google Play Store and Apple App Store
- Version Control using Git/GitHub and CI/CD pipelines
- REST API Integration and Third-Party SDK Integration