About

Alejandro Duarte is a Software Engineer, published author, and public speaker. He is available as a freelancer consultant on Software Development and DevRel projects—you can hire him!

1. Bio

   

   Starting his coding journey during the mid-90s using BASIC, Alejandro transitioned to C, C++, and Java during his academic years at the National University of Colombia. Relocating first to the UK and then to Finland, Alejandro deepened his involvement in the open-source industry and became a recognized figure in Java and MariaDB circles, credited with numerous articles, videos, and presentations at international events.

   His professional interests gravitate toward DevRel practices and strategies, open-source software projects, API adoption, online community growth, reusable software components, microservices y web applications. His favorite programming languages are Java, C, C++, Python, and SQL.

2. Books

   • SELECT to Ship: MariaDB for Application Developers. Programming Brain, 2026.
   • Practical Vaadin: Developing Web Applications with Java. Apress, 2021.
   • Data-Centric Applications with Vaadin 8. Packt Publishing, 2018.
   • Vaadin 7 UI Design by Example: Beginner's Guide. Packt Publishing, 2013.

   
3. Other publications

   • DZone Refcard #085 - Getting Started With Vaadin 10
   • DZone articles
   • HackerNoon articles
   • Articles at mariadb.com
   • Articles at vaadin.com
4. Technical reviewer

   • Learning Cocos2d-x Game Development
   • Building Android Games with Cocos2d-x
   • Practical Debugging at Scale: Cloud Native Debugging in Kubernetes and Production
   • Learn Java with Projects: A concise practical guide to learning everything a Java professional really needs to know

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