2026 Flutter Engineer Test

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📋 What We Expect

• Proficient knowledge of the Dart programming language and the Flutter framework
• Understanding of Backend REST APIs (to communicate with team members)
• Ability to manage Material Design, including database handling and scaling applications to handle load changes
• Knowledge of accessibility and security compliance
• Experience with version control, such as Git
• Native app experience will be an add-on (Optional)

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📱 Project Overview

Create a Payment Management App using Local Database

Core Requirements:

• Create UI based on the given screenshots (You need to create the auth UI)
• Make models as per design UI and bind with UI
• Following points need to be considered while making the designs:

1. Use Slivers as much as possible
2. Make user experience smooth
3. Page navigation should be Shimmer-based
4. Search should be in full screen
5. ListView should be animated based on user gestures

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🛠️ Frameworks to be Used

• MVP / MVVM / Others (Architecture Pattern)
• Repository Architecture (Optional)
• Bloc Pattern / Provider / GetX (any works)

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🔐 Authentication Implementation

Implement Login and Register functionality using the APIs provided below.

Register API

POST https://api.rapsap.com/api/v1/mobile/registerUser
Content-Type: application/json

{
  "mobile": 8454883226,
  "email": "c2905y@gmail.com",
  "password": "123456",
  "name": "Chandan Yadav"
}

Login API

POST https://api.rapsap.com/api/v1/mobile/loginUser
Content-Type: application/json

{
  "username": "rapsap@gmail.com",
  "password": "123456"
}

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🧩 Authentication Implementation Guidelines

• Add Login and Register screens
• UI design is open but must include:
  • Clean Material UI
  • Smooth transitions
  • Shimmer / Loader during API calls
• Existing screens, navigation, and logic must not break

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✅ Validation Requirements

Register Screen

• Name: Required
• Mobile:
  • Exactly 10 digits
  • Numbers only
• Email:
  • Valid email format
• Password:
  • Minimum 6 characters
• Confirm Password:
  • Must match password

Login Screen

• Username / Email: Required
• Password: Required

Note: All validations must be handled before making API calls.
API error messages must be displayed clearly using Snackbar / Dialog.

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💾 Login State Persistence (Mandatory)

After successful login, use one of the following to store session data:

• SharedPreferences
• GetX Storage (preferred if using GetX)

Store at least:

• isLoggedIn flag
• User identifier (email / username / id if available)

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🚀 App Launch Behavior

On app launch:

• If user is logged in → Navigate directly to Payment Dashboard
• If user is not logged in → Show Login Screen
• Avoid unnecessary re-login API calls once session exists

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⭐ Additional Points

Bonus points for:

• Using local database
• Simplified 3rd party integrations enhancing the app's functionalities and keeping the app size minimal

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📸 UI Reference

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📝 Submission Guidelines

• Ensure clean, readable, and well-documented code
• Follow Flutter best practices
• Include a proper README.md with setup instructions
• Push your code to a GitHub repository
• Share the repository link for evaluation

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Good luck! 🚀

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Prepared by Bitroot Org.