Behavioral Surfaces
14 min
Behavioral Surfaces
Map the areas where an LLM system's behavior can vary, drift, or regress so that it can be observed, tested, and governed more effectively.
llmobservabilityai-governance
Expertise & Sharing
Senior Java Technologist & Software Architect
As an IT consultant, author and tech entrepreneur, I support organizations in designing, modernizing and evolving their software systems, as well as integrating generative AI into business activities and software delivery. I also share my experience through articles, training, conferences and active involvement in technical communities.
Areas of Expertise
My expertise lies at the intersection of software engineering, systems architecture, fullstack development, applied artificial intelligence, and technical sharing.
Software Architecture
Design of robust applications, modular architectures, APIs, Java backend, Spring, Quarkus, hexagonal architecture, microservices and enterprise systems.
Applied AI
Integration of LLMs, RAG, AI agents, Spring AI and conversational systems into concrete business applications.
Fullstack Development
Web, mobile and backend application development with an approach oriented towards quality, maintainability, performance and business value.
Technical Sharing
Articles, conferences, training and educational content around software engineering and applied AI.
Missions, Contributions & Sharing
My path has been built between corporate missions, open source contributions, technical training and entrepreneurial projects. I intervene as an IT consultant, software architect, fullstack developer, trainer, speaker and founder of Gad Digital.
Learn more about my backgroundCorporate Missions
Supporting companies in various sectors: financial services, fintech, games, education, public services, industry and health.
Open Source Contributions
Active participation in Java and AI projects (Spring AI) and publication of libraries like Toon4j.
Training & Youth
Mentoring developers and introducing young people to robotics, home automation and embedded systems.
Auteur
Ultimate Java Design Patterns
Published by Orange AVA, this book is dedicated to Java design patterns, modern software architecture and the design of robust, maintainable and scalable applications.
View the book
Founder of Gad Digital
Gad Digital is the technology company I founded to transform my expertise into concrete solutions, products and support. Through Gad Digital, I lead initiatives around digital solution development, applied AI and technical training.
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Latest articles
Decision Trajectory
14 min
Decision Trajectory
Reconstruct the path followed by an LLM system to understand, compare, and govern its decisions. Why two similar responses can mask fundamentally different behaviors.
llmobservabilityai-governance
RAG Without a Dedicated Vector Database: Simplifying Infrastructure Without Moving the Problem
7 min
RAG Without a Dedicated Vector Database: Simplifying Infrastructure Without Moving the Problem
An embedded vector store can simplify a RAG system, provided we understand where persistence, availability, and operational responsibilities move.
ragllmspring-ai
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