Stefan Mirkovic enhanced event handling reliability in the AxonFramework/AxonFramework repository by upgrading the AxonServer connector to version 2026.0.0-SNAPSHOT and introducing a new event confirmation type featuring consistency markers. Using Java and leveraging backend development skills with gRPC, Stefan’s work focused on strengthening data consistency across distributed components. The technical approach involved modifying the event confirmation process to include explicit consistency markers, which help prevent event loss or misordering in production environments. Over the course of one month, Stefan delivered a single, well-scoped feature that addressed reliability and ordering guarantees, demonstrating depth in distributed systems engineering within Java ecosystems.