BigNight
On-Demand Multi-Restaurant Food Delivery App
An enterprise-grade, high-performance food delivery mobile application built with Flutter and BLoC for iOS and Android, engineered to power seamless customer ordering, multi-vendor restaurant operations, push notification alerts, and reliable database persistence.


Live Customer Ordering Interface & Dish Customization Engine
Standout Features & Mobile Capabilities
BigNight delivers a frictionless food ordering experience across iOS and Android:
1. Intelligent Multi-Restaurant Management
Complete digital presence for every partner restaurant with high-resolution imagery, location tagging, and operating hours.
Restaurant operators can toggle store statuses in real time (Open, Busy, Paused) to prevent kitchen overwhelm during peak dinner rushes.
Dynamic calculations for minimum order requirements and kitchen preparation times to ensure realistic delivery estimates for customers.
2. Deep Menu Customization & Dish Builder
Customers can personalize meals just like at a counter — selecting sizes, crust types, and spice levels.
Dynamic topping selections, sauces, and combo upgrades with real-time price recalculation.
Mark specific dishes or ingredients as sold out instantly, keeping menus 100% accurate.
3. Centralized Admin Command Center
Clear administrative separation between Superadmins, Store Managers, Delivery Partners, and Customers.
Fortified with database-level security protocols that prevent unauthorized role changes or privilege escalations.
A unified administrative view to monitor store onboarding, menus, active orders, and customer activity.
4. Bank-Grade Checkout & Order Protection
Advanced transaction locking ensures customers are never accidentally billed twice, even if their mobile connection flickers or they tap the order button multiple times.
Delivery addresses, landmark instructions, and chosen item modifiers are permanently frozen into the order history at the moment of checkout, ensuring complete delivery accuracy.
Multi-item carts that seamlessly persist across sessions and handle complex custom orders effortlessly.
5. Dynamic Merchandising & Curated Feeds
Visually rich promotional carousels designed to showcase seasonal offers, happy hours, and new restaurant launches smoothly on mobile.
Administrative ability to curate spotlight sections (e.g., 'Chef's Specials', 'Trending Near You', 'Late Night Cravings').
Technical Highlights & Mobile Architecture
Flutter Cross-Platform Architecture
Built with a single Flutter & Dart codebase delivering native 60fps performance, responsive mobile interfaces, and complete feature parity across iOS and Android.
Powerful BLoC State Management
Structured reactive event-driven architecture with BLoC to cleanly decouple UI from business logic, ensuring predictable state transitions, instant cart updates, and robust error recovery.
Real-Time Push Notifications
Integrated push notification pipeline delivering real-time order status milestones, kitchen preparation alerts, and delivery updates directly to users' devices.
Resilient Database & Caching
Reliable database integration with local persistence and transaction-level idempotency locks to ensure carts and order histories survive fluctuating mobile connectivity.
Key Problems Solved
How BigNight addresses critical mobile performance, state consistency, and UX challenges: