Do the backend of joinpigyy. which the product uses an chrome extention for cashback

we do the backend of the website and product. which the company is an internet provider

we develop the backend of the website. which the company product is voip

A sms application which you can use your cellphone as an ticket forMRT.

We develop the api that is used by the ticketing. which the ticketing uses 2dbarcode to let you in the train station.