• Microservices architecture was implemented;
• Porting of the application and functionalities within the existing infrastructure in the web environment;
• New functionalities were implemented in the direction of user preferences;
• New functionalities have been implemented in the direction of dynamic menu generation/building;
• New functionalities have been implemented in the direction of multi-level permission validation;
• New functionalities have been implemented within the licensing and sensitive data management module (development + obfuscation of a library).

• Was implemented project backend framework with multiple database tenant, index, backup, and table management and data archiver(backup);
• Was implemented custom database wrapper and mapper;
• Was implemented infrastructure internet, proxy, and world time checking;
• Was implemented planned update through Azure;
• Was implemented microservice architecture.

• Was implemented interconnection with eGov Agency authentication service (Mpass);
• Was implemented interconnection with eGov Agency sign documents service (MSign);
• Was implemented interconnection with eGov Agency data transfer service (MConnect);
• Was implemented internal document distribution;
• Was implemented and adjusted system security issues.

Maintenance and administration;

Development:

• The service „Checking the fiscal document issued by the cash-in terminal”;
• Sub-section „Claims and Forms Affecting Payments Compensation Tax Evidence” under the „Forms”.

Maintenance and administration;

Development:

• Creating the organizational chart after the new structure of the State Tax Service;
• The module „Decision on Local Taxes and Fees”.

• Ensuring adaptive and corrective maintenance;
• Integration of the subsystem with the „Microsoft Azure” platform;

Maintenance and administration:

• The module „Managing VAT payers”;
• The „Online Managing Subdivisions” module;

Development:

• The module „Managing excise taxpayers”;
• The „Online Taxpayer Registration” module;
• Ensure the maintenance and development of web services and the windows service they interact with;
• The module „Online management of entrepreneurial patents”;

• Ensuring adaptive and corrective maintenance;
• Development of the information subsystem and web services with which it interacts;

• Maintenance, administration and further development;
• Integration of the subsystem with the „Microsoft Azure”;

• Maintenance, administration and further development;