Yann Blazart is a Java Tech Lead with more than 26 years of experience building enterprise systems, currently working with SCIAM on large-scale public sector platforms. He has contributed to some Open source projects and co-created LangChain4j-CDI to bring AI integration to the CDI programming model. He is the founder of Vidocq, an open source suite of Jakarta EE and MicroProfile implementations, and of the nonprofit association behind it. He speaked at Devoxx France, Belgium and Morocco, first Time at JavaOne’26, Riviera dev and the Paris JUG, usually about annotation processing, build-time frameworks and what specifications really cost to implement.