Alain Schlesser has spent twenty-five years building systems — first in Luxembourg government IT, then across the WordPress ecosystem as WP-CLI co-maintainer and Principal Architect at Yoast (13M+ sites). A Google Developers Expert in Web Technologies and WordPress Core contributor, he has delivered on partnerships with Google (AMP Optimizer) and Microsoft (NLWeb). He now works as a fractional engineering lead and independent consultant specialising in agentic architecture, context engineering, and the transition from SEO to Generative Engine Optimisation. He speaks internationally on the craft of designing systems that outlast their first production incident.