Software Engineer, published author, and Developer Advocate at MariaDB Corporation. Graduated in Computer Science from the National University of Colombia, learned how to program using the BASIC programming language at age 13. Worked on numerous software development projects in startup-like and big companies in several countries. Became one of the well-known faces in Java and Vaadin communities, having published articles and videos with hundreds of thousands of views in official Vaadin channels and other content portals, and presented technical topics at international Java conferences and Java User Groups.His professional interests gravitate toward DevRel practices and strategies, open-source software projects, API adoption, online community growth, reusable software components, microservices, web applications, and video game development. His favorite programming languages are Java and C++. Alejandro splits his free time between his family, friends, a Nikon DSLR, and a couple of electric guitars. You can follow him on Twitter @alejandro_du, on LinkedIn, or contact him through this website (programmingbrain.com).