Sber: modernisation with completed migrations

The team was developing the bank's virtual assistant and chatbot. The work included releasing changes, moving from a monolithic architecture to microservices and migrating consumers away from legacy services.

As Delivery Lead, I led release work for a distributed team in Moscow and Omsk. I coordinated architecture updates and the approval of decisions with the enterprise architecture and economic security functions.

• Established a release process with progressive rollout, feature toggles, health checks and error alerts.
• Organised regular error analysis and more than 40 backend releases in two months.
• Organised three service consumer migrations and the retirement of two major legacy services.
• Contributed to moving the chatbot from a monolith to microservices and into the virtual-assistant platform.

The team delivered more than 40 backend releases over a two-month period. The modernisation work included three service consumer migrations and the retirement of two major legacy services. The team moved the chatbot systems to microservices and completed the migration into the virtual assistant.