Vishnu V

I’m a Senior Flutter Engineer and Mobile App Developer with ~3 years of experience building production-grade Android and iOS apps. I focus on shipping reliable features with strong engineering discipline—clean architecture, MVVM, and testable UI patterns.

Across 10+ apps in social, wellness, travel, enterprise, and medical domains, I’ve delivered measurable outcomes like a 25 percent improvement in user retention and a 40 percent reduction in crash rate. I use BLoC, Provider, ChangeNotifier, and Inherited Widget to keep complex state predictable and maintainable.

I build engaging real-time experiences, including WebSocket-based 1:1 and group chat supporting 10,000+ concurrent users. I also integrate Firebase Cloud Messaging with live presence and typing indicators, while handling animations, graph/calendar UI, audio/video players, local notifications, reminders, and app lifecycle behavior.

From subscriptions and one-time purchases to automated delivery, I integrate Razorpay, In-App Purchases, Google Play Billing, and App Store IAP. I optimize Firebase/Firestore/SQLite performance and CI/CD pipelines (Codemagic and GitHub Actions), applying lazy loading and tuning to cut app startup by 35 percent.