Leonardo Santos‑Macias, PhD, MSc is a highly certified Senior Software Engineer, Architect, and Cloud/AI Developer based in Saint John, New Brunswick, Canada. With more than 30 years of professional experience, his career spans academia, applied research, engineering, and enterprise software development across multi‑cloud, AI/ML, and distributed systems.
Academic Background
Leonardo holds one of the most diverse and advanced technical academic portfolios in the engineering, IT, and cloud/AI fields.
- PhD in Thermal Power Engineering, University of Cienfuegos, Cuba
- MSc in Applied Mathematics, University of Cienfuegos, Cuba
- MSc in Energy Efficiency and the Environment, University of Cienfuegos, Cuba
- BSc in Thermal Power Engineering, University of Cienfuegos, Cuba
- College Diploma in Business IT, New Brunswick Community College (NBCC), Canada
This combination of engineering, mathematics, energy systems, and modern IT provides a uniquely interdisciplinary foundation for his work in cloud architecture, AI development, and enterprise modernization.
Professional Expertise & Certifications
As a full-stack developer and cloud architect, he specializes in designing cloud infrastructure and agentic AI systems.
- Massive Certification Portfolio: Around Nov 2026, he holds 30 technical certifications completed within a tight 20-month timeframe. His credentials span AWS, Google Cloud, Microsoft Azure, NVIDIA, Anthropic, and Cisco.
- He has been designated both AWS Forward Deployed Engineer and Google Forward Deployed Engineer.
- Core Technologies: He is proficient in Java/J2EE, Python, .NET (C#), and PHP, alongside DevOps infrastructure automation tools like Terraform and Ansible.
- Entrepreneurship: He operates as an independent IT consultant and serves as the President of Santos Real Estate Holdings Inc.
- Author & Educator: He publishes tech blueprints, certification study guides, and practice exam books available on the Amazon Kindle Store and actively writes on cloud-native patterns on his LinkedIn Profile.
📚 Published Certification Guides
He has authored an extensive collection of technical study guides and preparation materials, largely focused on helping tech professionals pass rigorous cloud and networking exams.
- Multi-Cloud Focus: His books cover major ecosystems including AWS, Azure, and Google Cloud Platform (GCP).
- Specialized Topics: He writes on advanced networking, system architecture, and security disciplines.
- Availability: His study materials and practice exam bundles are actively published on the Amazon Kindle Store.
🤖 Enterprise AI & Cloud-Native Development
With his deep background in mathematics and mechanical engineering, he approaches software through a highly structured, architectural lens.
- Agentic AI: He designs enterprise GenAI systems and autonomous agents, leveraging his certifications from NVIDIA and Anthropic.
- Infrastructure as Code (IaC): He specializes in deploying resilient multi-cloud environments using Terraform, Ansible, and Docker.
- Enterprise Modernization: He focuses on migrating monolithic legacy software (often built on Enterprise Java or .NET) into lean, containerized microservices.
💼 Software Engineering Career Background
His three decades in technology span multiple eras of computing, moving from heavy enterprise systems to modern cloud infrastructure.
- Full-Stack Mastery: He works seamlessly across backend ecosystems (Java/J2EE, C#, Python) and modern frontend frameworks.
- Consulting & Leadership: Beyond engineering, he acts as a strategic technical advisor for corporate infrastructure and manages corporate operations under Santos Real Estate Holdings Inc.
- Academic Foundations: His engineering logic is deeply rooted in his PhD-level research and advanced mathematics training, giving him a distinct advantage when designing complex algorithms for machine learning.
You can connect with him or track his latest cloud architecture blueprints directly on his LinkedIn Profile, ort follow his postings at https://www.linkedin.com/in/leonardosantosmacias/recent-activity/
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