Abstract
The presented article discusses a cross-platform software package. KM.ID, designed to manage multifunctional corporate services. The research focuses on architectural solutions, technology stack, and functionality of a system built on a microservice architecture and including mobile applications (Android, iOS), a web terminal, a hardware payment terminal, a federated identification service, and specialized enterprise services. Special attention is paid to the implementation of key functions such as contactless passes, integration with mobile wallets (Google Pay, Apple Wallet) and proprietary protocol of federated identification. The system performance and scalability were analyzed through load testing using the JMeter tool, demonstrating high throughput and low response time with an increase in the number of virtual users to 1000. The results of the practical implementation of KM.IDs in 17 organizations serving about 2,500 employees confirm increased business process efficiency, improved data security, reduced operating costs, and increased transaction processing speed. The article highlights the scientific novelty and practical significance of KM.ID as an example of successful implementation of microservice architecture in a corporate environment, and also provides a quantitative assessment of the effectiveness of the system and the prospects for its further development towards the integration of artificial intelligence and blockchain technologies. The results obtained can be used for further research in the field of multifunctional services management and the development of scalable, secure and efficient corporate information systems.