Christian Ortlepp developed Jakarta EE compatibility for the Artemis CDI client within the apache/activemq-artemis repository, focusing on seamless integration with modern Java EE environments. He addressed compatibility issues by refining the use of the @Override annotation in configuration beans, ensuring that the CDI client could operate reliably with newer Jakarta EE versions. Working primarily with Java and leveraging skills in CDI and Jakarta EE, Christian’s contribution enabled enterprise applications to adopt Artemis more easily for CDI-based messaging. The work demonstrated a targeted approach to framework modernization, delivering a single, well-scoped feature that expanded Artemis’s support for contemporary enterprise deployments.