Arindam Bhattacharyya Flutter Expert | Production-Grade Mobile & Frontend Engineer Specialising in Clean Architecture, complex geospatial/mapping systems, and robust background processing. π οΈ Technical Expertise π± Mobile & Flutter Core Architectural Patterns: MVVM, Repository Pattern State Management: BLoC / Cubit (Unidirectional data flows) Native Features: WorkManager (Background execution), FCM (Background messaging handling) Local Data: SQLite for Status Monitoring, shared_preferences for app flow monitoring Geospatial: Google Maps integration, Platform-aware custom rendering Stability: Firebase Crashlytics monitoring, Play Store Deployment π Web & Backend Engineering Architectural Patterns: Strict Clean Architecture (Presentation, Domain, Adapters, Entity) Web Frontend: React, TanStack Query (Resilient cache validation) API & Services: Express, Persistent Auth, Supabase, GCP Cloud Scheduler, Firebase Caching & Queues: Redis performance tuning π οΈ Core Tech Stack