Billing software

Project Description:(Check attached file first)
- I am looking for a freelance developer to create an invoicing software for my business.
- expense tracking + item stock tracking
- It would be ideal if the software can integrate with accounting software for seamless financial management.
- The software should be customizable, allowing me to create and manage expense categories according to my needs.
- The software will be used by a small team of 1-5 users.
- Experience in developing billing software and knowledge of accounting systems would be highly preferred.
- The developer should be detail-oriented and able to deliver a user-friendly and efficient software solution.