I will do Developing point-of-sale (POS) shop management software

That sounds like a great project! Developing point-of-sale (POS) management software for a shop can be a rewarding endeavor. Here are some key considerations and features you might want to include in your software:

1. User Interface: Design an intuitive and user-friendly interface for both cashiers and administrators. The interface should be easy to navigate and visually appealing.
2. Inventory Management: Implement features for managing inventory such as adding new products, updating quantities, setting low-stock alerts, and tracking stock movements.
3. Sales Tracking: Record sales transactions, including details like item sold, quantity, price, and customer information if applicable. Generate reports to analyze sales performance over time.
4. Payment Processing: Integrate payment gateways to accept various forms of payment including cash, credit/debit cards, mobile payments, and online payments.
5. Barcode Scanning: Support barcode scanning to quickly add items to a transaction and update inventory levels automatically.
6. Employee Management: Allow for user accounts with different permission levels (cashier, manager, admin) and track employee activities such as logins, sales, and voided transactions.
7. Customer Management: Maintain a database of customer information for loyalty programs, targeted marketing, and analyzing purchasing patterns.
8. Reporting and Analytics: Provide comprehensive reporting tools to analyze sales trends, inventory turnover, and other key metrics. Visualize data through graphs and charts for easy interpretation.
9. Customization and Scalability: Make the software customizable to fit the specific needs of different types of shops. Ensure scalability to accommodate growth and expansion.
10. Security: Implement robust security measures to protect sensitive data such as customer information and payment details. This includes encryption, access controls, and regular security updates.
11. Offline Mode: Offer offline capabilities so that the system can continue to process transactions even if there is a temporary loss of internet connectivity.
12. Integration: Consider integrating with other software systems such as accounting software, e-commerce platforms, and customer relationship management (CRM) systems for seamless operation.

Remember to engage with potential users (shop owners, managers, and employees) throughout the development process to gather feedback and ensure that the software meets their needs effectively. Good luck with your project!