BellIntegrator Helps Build a New Digital Platform for a Telecom Operator
As part of the project, the customer is being migrated from a monolithic system to a microservices-based architecture.
Russian companies are increasingly seeking to operate on domestically developed technology stacks, as this approach shields businesses from the impact of international sanctions and strengthens technological independence. The telecommunications sector is no exception. It was recently announced that BellIntegrator FabricaONE.AI, whose shareholder is Softline Group, is playing an active role in developing a platform for web-based services that will be used by a major telecommunications operator.
Modernization Without Service Disruption
According to the developers, the new software solution will be built on open-source technologies. It is designed to improve the reliability and resilience of digital services used daily by up to one million customers.
“The customer needed to replace a monolithic system built on a foreign vendor's platform with a modern architecture as part of its import-substitution strategy, while keeping existing services fully operational. The previous platform limited flexibility, slowed the introduction of innovations, and created downtime risks because comprehensive support from foreign vendors was no longer available. Moving to microservices will help maintain service stability for subscribers, reduce operational risks, and create a foundation for the rapid launch of new tariffs, personalized offers, and partner integrations,” the developers explained.
Benefits Before the Transition Is Complete
As part of the project, the team has already developed and deployed the platform architecture and launched approximately 50 microservices integrated across all major digital channels, including the company's website and mobile application. The platform is already delivering measurable benefits: it shortens time-to-market for new products, reduces IT costs by eliminating expensive licensing requirements, and improves the customer experience through greater speed and service stability. Performance is expected to improve further once the migration is fully completed.
This is a genuinely large-scale project. In addition to BellIntegrator, roughly 500 professionals from across multiple companies are participating in the project. A team of that size is needed to tackle the complex challenge of migrating from a monolithic platform to a microservices architecture while maintaining uninterrupted operation of all systems.
“Once the project is completed, the platform will become more than a technology upgrade - it will turn IT into a genuine driver of business growth. The customer will gain independence from foreign vendors, accelerate the development of new services, and reduce operating expenses. At the same time, millions of subscribers will not notice the transition because all changes will take place in the background. This project will demonstrate how a well-executed architectural transformation can directly improve a company's competitiveness and financial performance,” BellIntegrator FabricaONE.AI said.
Import Substitution Enters a New Phase
Import-substitution efforts in Russia's telecommunications sector accelerated significantly in 2023, when work began on a long-term industry development strategy extending through 2035. In 2024, mobile operator MTS announced a complete overhaul of its billing system. For decades, that system had relied on the foreign-developed Foris monolithic platform. The chosen alternative was, once again, a transition to microservices.
Meanwhile, in early 2026, Rostelecom completed its import-substitution program and upgraded the IT landscape of its network-monitoring system to a target architecture. The initiative began in 2022 and included the development of proprietary systems for collecting, filtering, and analyzing network-performance data.
It is now possible to say with confidence that import substitution in Russia's telecommunications industry is moving into an architectural phase. Companies are no longer simply replacing foreign software with domestic alternatives. Telecommunications providers are becoming some of the largest customers for complex platform-development projects. Rising traffic volumes, intense competition among operators, and the expansion of digital services all require faster software releases and highly resilient customer-facing channels.
