RetailPro POS System
Manage sales, inventory, employees, suppliers, expenses, taxes, and business reports through one secure and easy-to-use platform. The Supermarket Omnichannel Platform connects daily operations so owners and staff can work faster, reduce errors, and make better decisions using accurate real-time information.

About This Project
Managing a supermarket involves much more than processing sales. Businesses must monitor products, stock levels, suppliers, employees, expenses, taxes, and customer activity.
This project brings these operations together in one centralized system. Instead of using separate software or manual records, supermarket teams can manage their entire business from a connected digital platform.
The system includes dedicated interfaces for administrators, managers, cashiers, and platform operators. Each user receives access to the tools required for their responsibilities.
Fast and Reliable Checkout
The point-of-sale interface is designed to help cashiers complete transactions quickly and accurately. Products can be found using barcodes or search, while prices, discounts, taxes, and totals are calculated automatically.
Every completed sale updates inventory records, saves payment information, and creates a transaction history for reporting.
- Barcode-based product selection
- Customer selection
- Multiple payment methods
- Automatic VAT calculations
- Receipt printing
- Returns and refunds
- Cashier shift opening and closing
- Blind cash counting and reconciliation
Know What Is in Stock at Any Time
The inventory module gives supermarket teams a clear view of available products and stock quantities. Products can be organized using categories, subcategories, brands, and units.
Administrators can monitor low-stock products, expiring batches, stock adjustments, shrinkage, and stock movement history — helping businesses prevent shortages, reduce waste, and keep records accurate.
- Product and barcode management
- Categories and subcategories
- Brands and measurement units
- Current stock tracking
- Manual stock adjustments
- Low-stock and reorder alerts
- Product batch tracking
- Expiry-date monitoring
- Stock movement history
- Bulk product import using CSV files
Simplify the Purchasing Process
The supplier and purchasing module helps businesses manage how products are ordered and received. Administrators can maintain supplier details, assign preferred suppliers to products, create purchase orders, and track each order from draft to delivery.
When an order is received, the system updates inventory and creates traceable product batches.
- Supplier management
- Preferred supplier assignment
- Purchase order creation
- Draft, ordered, and received statuses
- Product cost tracking
- Batch creation after stock delivery
- Complete purchasing history
Build Better Customer Relationships
The customer module keeps customer details and purchase activity organized in one location. Cashiers can select customers during checkout, while administrators can review customer records and sales activity.
This information can support future loyalty programs, personalized promotions, and customer service improvements.
- Customer profile management
- Contact information
- Customer status controls
- Purchase history
- Customer sales reports
- Customer activity insights
Give Every Employee the Right Access
The platform supports different user roles, including administrators, managers, and cashiers. Each role receives access only to the features required for its responsibilities, making the system easier to use and protecting sensitive business information.
Administrators can create staff accounts, deactivate users, and control access to management functions.
- Administrator accounts
- Manager accounts
- Cashier accounts
- Role-based permissions
- Account activation and deactivation
- Secure login
- Cashier shift management
Understand the Real Cost of Running the Business
The financial module records business expenses alongside sales revenue. Administrators can organize expenses into categories, upload receipts, track employee-related payments, and manage recurring bills.
The system then combines revenue, product costs, and expenses to provide a more accurate view of business profitability.
- Expense recording
- Expense categories
- Receipt attachments
- Recurring bill management
- Employee expense tracking
- Gross-profit calculations
- Net-profit calculations
- Profit-and-loss reporting
Tax Calculations Designed for Local Businesses
The platform includes tax-management features designed around Sri Lankan business requirements. It can track VAT, SSCL, income tax, and tax payments.
Tax rates can be configured, and applicable taxes can be calculated automatically during sales transactions.
- VAT calculations
- SSCL tracking
- Income-tax estimates
- Product-level VAT rates
- Tax payment history
- Tax settings
- Revenue-threshold alerts
- Tax overview reports
Turn Business Data into Useful Insights
The reporting module transforms sales and operational records into clear business insights. Owners and managers can monitor revenue, average order value, payment methods, category performance, cashier performance, customer activity, inventory shrinkage, and profitability.
Reports can be filtered by date and exported when further analysis is required.
- Sales trends
- Revenue summaries
- Average order value
- Payment-method analysis
- Category performance
- Cashier performance
- Customer reports
- Inventory shrinkage
- Daily cash balance
- Profit-and-loss reports
- CSV report exports
One Platform for Multiple Supermarket Businesses
The system is designed as a multi-tenant platform, allowing multiple supermarket businesses to use the same software while keeping their information separate.
Each business receives its own database and dedicated admin, POS, and business domains. This architecture provides strong data isolation and makes the platform suitable for offering as a Software-as-a-Service product.
Secure by Design
Security is built into every part of the platform. Authentication, permissions, tenant isolation, protected sessions, and audit records help prevent unauthorized access.
Sensitive actions are restricted according to the user's role, while important business records are stored securely and remain traceable.
- Secure cookie-based authentication
- Role-based access control
- Separate tenant databases
- Multi-factor authentication for platform operators
- Protected API endpoints
- Audit logs
- Account suspension controls
- Secure password management
Built with Modern and Scalable Technologies
The platform uses reliable modern technologies to provide strong performance, security, and maintainability.
Laravel powers the backend API and business logic; Next.js drives the admin, POS, platform, and storefront interfaces; PostgreSQL provides secure relational storage; Docker keeps development and deployment consistent; a REST API connects the applications; and Caddy handles domain routing and SSL management.
- Laravel — backend API and business logic
- Next.js — admin, POS, platform & storefront interfaces
- PostgreSQL — secure relational data storage
- Docker — consistent development and deployment
- REST API — communication between applications
- Caddy — domain routing and SSL management
Key Features
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