Build
Enterprise systems, fiscal solutions, retail automation, and architectures that need to remain reliable.

Technology explained with depth, clarity, and a commitment to people who need to apply knowledge in the real world.
Régys Borges da Silveira holds a degree in Information Systems and has multidisciplinary postgraduate education spanning software development, data and artificial intelligence, education and teaching, database administration, and the psychological impacts of digital technologies.
He is an Embarcadero MVP, software developer, teacher, professional instructor, and speaker. For more than 20 years, he has built corporate systems, fiscal solutions, and retail automation software, working on projects and consulting engagements in Brazil and abroad.
Throughout his career, he has shared knowledge through courses, talks, technical events, open-source projects, and educational initiatives. He created regys.com.br, where he publishes on software engineering, systems architecture, professional development, education, and applied artificial intelligence.
“Making complex ideas easier to understand without separating them from practice.”
Enterprise systems, fiscal solutions, retail automation, and architectures that need to remain reliable.
Courses, professional education, talks, and learning experiences connected to real situations.
Books, articles, open-source projects, and tools that turn experience into verifiable paths.
The books grow from the intersection of technical experience, teaching, and human decisions.
Architecture, responsible use, and practical application of models and agents.
Corporate systems, databases, architecture, and software evolution.
Teaching, learning, and technology while preserving authorship and responsibility.
Decisions, people, and results in contexts expanded by technology.
Choose a subject and continue through a dedicated book page.

Open this book beside your phone or computer and start using AI usefully, consciously, and safely.
Explore the book →
Move beyond prompting and design AI solutions that can operate reliably in the real world.
Explore the book →
Replace improvisation with method and guide AI through objectives, context, criteria, and responsibility.
Explore the book →
Use technology to reveal the right problem and restore attention to work that requires human judgment.
Explore the book →
Bring AI into education while preserving the teacher's authorship, judgment, and responsibility.
Explore the book →
Discover how we arrived here through an accessible journey across the ideas, people, and machines that changed the world.
Explore the book →
Open the black box of language models by building, training, and running a small educational LLM in Delphi 13.
Explore the book →
Put specifications at the center and use AI with greater clarity, control, and technical quality.
Explore the book →
Restore your ability to evolve Delphi systems through small, verifiable, and reversible changes.
Explore the book →