Stefan Reuter is an IT consultant and architect with 20 years' experience designing and delivering enterprise Java solutions, currently consulting through trion development GmbH and his own firm in Cologne. He combines deep middleware and Java expertise (Java EE, Spring Boot, WebFlux) with practical experience in authentication and comms technologies like Keycloak, MQTT, VoIP and Asterisk. Stefan’s background includes senior architecture work at Postbank Systems and hands-on development leadership roles, giving him a practical balance of strategy and implementation. Known for applying modern reactive stacks to legacy enterprise landscapes, he often bridges operational telephony systems with cloud-native Java services.
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