Hello. I was read your specs and they are clear to us, we offer to build your system in Laravel (PHP Framework), and use an ORM for your database, for the front end we will use bootstrap to obteain a responsive design that you want, we will work on optimizing your database for a better performance and we will use mySQL or the database your prefer. In 45 days the work will be done, It could take 15 more days for any test you need, we use software for stress and vulnerability testing, and we share with you the results and reports from them. A couple of years ago we have worked in two pharmacy systems in two hospitals in our country, which are in .Net (C #) and Oracle 11g, because customers requested them in this way, but it is not a problem for us, PHP is our most used language since over 10 years ago in many systems we have made.
We are a company with more than 19 years of work in web development, since 2007 we develop for USA, Europe and Latin America, we are currently developing projects for the Peruvian government, web portals and systems of several Ministries and government agencies with budgets from 10 thousand to 100 thousand US dollars, under standard ISO 12207, we are resuming the development of international projects and we return to Freelancer so we put all our experience at your service, we can send you contracts and proof of everything indicated.