Maximillian Arruda

Maximillian has been involved with software development since 2003. He is a Software Engineer, Developer Advocate, open-source enthusiast, Committer of the Jakarta NoSQL specification and Eclipse JNoSQL project, the latter of which is an implementation of the Jakarta NoSQL and Jakarta Data specifications. Maximillian is also a Jakarta EE Contributor and Ambassador.

Maximillian is also a JUG leader at SouJava (The Java Users Society), one of the world's largest Java User Groups Community, and an Oracle ACE Associate.

His international speaking experience includes: Jakarta Tech Talks; GeeCON 2023 Prague; EclipseCON 2023 Germany; Oracle DevLive SP 2024 and GeeCON 2024 Kraków.

Maximillian enjoys learning and helping developers by organizing, participating, and speaking at tech events and meetup community events. Besides liking tech stuff, he loves martial arts, especially Shotokan Karate - he is 1st DAN level and teaches in the school that his association is part of. He follows the "family first" philosophy! He highly enjoys playing video games with his sons: Pietro and Giulliano. Of course, he loves standing with his wife: Maira.

Stable, Secure, and Affordable Java

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What do you know about the code changes that were just introduced into the codebase? When will you notice if something goes wrong?

Jakarta EE 11: Beyond the Era of Java EE

This user guide provides a brief history of Java EE/Jakarta EE and a detailed overview of some of the specifications that will be updated in Jakarta EE 11.

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Foojay Podcast #66: Let’s Talk About Java Code! Diving into a few Foojay blog posts…

Table of Contents VideoPodcast AppsGuestsLinksContent In this Foojay podcast, we dive into a few articles that were published recently and focus on code. Video Podcast Apps You can listen and subscribe to the Foojay Podcast on: Guests Links Content 00:00 ...

Feb 11 3,4K

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Make the Life of your Developer Client’s Easier with Smart Object Builders

Table of Contents The scenario: The complex objectThe traditional approach: Telescoping constructorsFavor Static Factory Methods over Class ConstructorsMany parameters? Use the Builder patternRestricts the order of method calls in the Builder patternConclusionKey TakeawaysFinal Thoughts We often hear the phrase: “Make …

Jan 09 8,5K

Maximillian Arruda

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Tutorials

Retweet on Twitter Foojay.io Retweeted

So happy to see @OpenJDK uses #SonarCloud to guarantee High #CodeQuality for @java #Java25 @SonarSource

https://bugs.openjdk.org/browse/JDK-8357798

04:11 PM · February 16, 2026

Retweet on Twitter Foojay.io Retweeted

The hottest #Java unconference in the world is coming back 27-31 July 2026 (starting evening of 26th). Deep discussions about Java and life. We are making some seats available using a lottery system. Draw will be on Friday the 20th Feb. Sign up here: https://www.jcrete.org/lottery

08:45 PM · February 09, 2026

Retweet on Twitter Foojay.io Retweeted

Confession: I usually lose the Flow switching between Quality Gates and Code 📉😅

But I connected @claudeai + #SonarQube via #MCP

Verify & Fix vulnerabilities without touching the mouse.
Zero context switching. Pure flow. 🚀

https://foojay.io/today/claude-code-sonarqube-mcp/

#Java #AI @foojayio

03:56 PM · February 02, 2026