Open Source
I am a developer of Micronaut, the JVM framework, since its inception. I write / review most of the Micronaut Guides. I work a lot in the Security, Views, RSS Micronaut's modules.
Moreover, I have worked a lot with Grails Framework. I have contributed to the framework core code, plugins and guides.
Work
I work as a Principal Software Engineer at Object Computing. OCI is the company behind both, frameworks Micronaut and Grails. I am fortunate to have a job contributing to open source.
Moreover, I often support Object Computing's clients with both frameworks, Micronaut and Grails.
Writing
Since early 2015, Sergio has been the author of the newsletter Groovy Calamari.
Conference & Public Speaking
I often talk in conferences. Both in Spain and Internationally. Mostly, about Groovy related technologies, Micronaut and Grails.
Since 2019, I organize Greach Conference.
Tools & Languages & Technologies
Cloud
I like and use a lot AWS for personal projects and clients. I have the AWS Certified Developer – Associate certification.
Build
As a build tool, I like and have expertise with Gradle.
Test
My testing toolset is Spock and Geb.
Languages
Nowadays, I write most of my code in either Java or Groovy.
iOS / iPadOS / Android
I have done iOS and Android development. Native development in both platforms. Mostly with Objective-C and Java. I am updating my skills in both platforms to Swift and Kotlin.
Web Development
In the past, I run a indy web design agency. Thus, I have done a lot of HTML, CSS, Javascript, PHP in the past. I built both static and Wordpress sites. I have stories about DNS, domain registration and hosting.