NEVMOCK — RASA KOPI Backoffice

A tablet-focused mobile backoffice application built for RASA KOPI café. Developed with Flutter and Clean Architecture, it provides analytics and full CRUD operations for daily café operations without requiring authentication.

GitHub/Gitlab

RASA KOPI Café Backoffice Application

A mobile backoffice application designed specifically for RASA KOPI, optimized for tablet usage in café environments. The application serves as an operational control center, enabling staff to monitor analytics and manage core business entities efficiently.

Unlike typical POS or backoffice systems, this apps intentionally omits authentication to allow immediate access to operational features, prioritizing speed and usability in on-site scenarios.

Highlights

  • Tablet-first UI optimized for landscape orientation
  • Clean Architecture with strict separation of layers
  • State management using Riverpod
  • Scalable routing with GoRouter
  • Immutable data models using Freezed

Core features

  • Dashboard & Analytics
    • Daily sales overview
    • Order volume and revenue summaries
  • Menu Management
    • Create, update, delete menu items
    • Category and pricing configuration
  • Reservation Management
    • Manage customer reservations
    • Assign tables and time slots
  • Table Management
    • CRUD operations for café tables
    • Table availability tracking
  • Order Management
    • Create and update customer orders
    • Track order status
  • Supplier Management
    • Manage supplier data for ingredients and logistics

Tech stack

  • Mobile: Flutter (Tablet-focused UI)
  • State Management: Riverpod
  • Routing: GoRouter
  • Networking: HTTP Client
  • Data Modeling: Freezed
  • Architecture: Clean Architecture (Presentation, Domain, Data layers)

Architecture overview

  1. Presentation Layer
    • Flutter UI
    • Riverpod providers for state handling
  2. Domain Layer
    • Business entities and use cases
    • Repository abstractions
  3. Data Layer
    • Remote data sources via REST API
    • DTOs and model mapping using Freezed

This structure ensures maintainability, testability, and ease of future feature expansion.

Use case

RASA KOPI Backoffice app is used by café staff on-site to:

  • Monitor business performance in real time
  • Manage operational data without switching systems
  • Reduce dependency on external POS dashboards

Lessons learned

  • Tablet-first design requires careful layout and spacing decisions
  • Clean Architecture significantly improves long-term scalability
  • Removing authentication can improve UX in controlled environments, but must be paired with physical access control

Credits

  • Developed for: RASA KOPI Café
  • Vendor: Nevmock
  • Role: Mobile Application Developer