Hello Sir, Hope you are doing well,
I have read your requirement and understood that you are looking for an experienced developer to develop a Lua Script for Cash Register.
I have read attachment 130 pages PDF file and understood features and functionality of this ECR integration which you have mentioned and we will happy to develop a this project for you with integrate all the features as per your need with best attractive look.
I'm pleased to inform you that we have already developed several POS projects with the web, desktop, Android, Tablet, iPhone and iPad App.
Right now we are developing POS project which is for U.S Country and that will be run in 5400 Branches in the U.S.
About POS knowledge we are expert and expert because we are working from last 14 years in POS.
Can you please open chat with me then we can discuss further and we will explain you about our past POS project.
We will happy to show you demo also if you want to see.
Best Regards,
Mirali Ghelani