Sergio Lema is a CTO and seasoned software architect with over 20 years of experience designing and delivering scalable web and AI-driven systems across e-commerce, finance, automotive, and embedded domains. He blends hands-on expertise in Java, Spring Boot, Python, React and cloud platforms (AWS/GCP) with a strong focus on microservices, DevOps, and cloud security to build resilient production-grade architectures. As a leader he mentors teams, shapes developer roadmaps, and has grown engineering groups from small specialist teams to distributed squads of ~20 engineers. He currently drives AI and RAG solutions at NA(i)SCENT while advising Packt on Java/Spring content and running his own developer community, The Dev World. Notably, he has implemented real-time video/GPU processing and event-driven data lakes for luxury and industrial clients, showing a knack for blending edge and cloud processing. Based in the Greater Paris area, he pairs practical engineering rigor with a passion for knowledge sharing and continuous improvement.
Contributions:2 reviews, 6 PRs, 73 pushes in 3 years 5 months
pythonnosqlmysqlsqlnosql-database
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.