Unified Cabinet for the Control of Municipal Services

Introduction indicated by the accountants, the print of the quotations, the detailed table of the current bills, the system of bills with the administration of the bill center, the payment by the card directly on the site, the history of the payments and the bills, and also other functions that provide full control by residents over the quality and the amount of the received communal services.
In addition to programming, I have developed a database structure and its optimization for quick work with gigabytes of data, synchronization with a remote server.