Repair a niche script so ebay listing appear

Hello, We are IT-Engineers with higher education, having more than 6 years of experience, developing sophisticated Web and Mobile solutions from scratch. Our indicative time/cost estimation for your project relies on the provided description. We would be glad to provide you with our final offer once we have discussed the project with you in detail. During the consultation with you regarding the use-cases, we will in parallel work on the Functional Description. Our task will be to research all the implementation options chosen by you for the technological implement-ability and to create the professional base for the engineering design. We will ensure the flexibility and readiness for possible requirements changes based on the market best practices and our 6 years of development experience. Only this approach complies with the IT industry development standards and allows full control of the product: - Creation of completely valid resource plans. - Avoid refactoring of the evolving projects. - Control all the business risks of the project, not only the technological ones. Please have a look at my profile:- https://www.freelancer.com/u/Danial2018 Best Regards