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Full Name
Otavio Santana
Full Name
ACE Director
Top Level Details
Job Role
Distinguished Software Engineer
Company
OS Expert
Country
Portugal
Top Expertise
Code Management
Focus Area
NoSQL
About Otavio
Otavio is a passionate architect and software engineer focused on cloud and Java technologies. He has deep expertise in polyglot persistence and high-performance applications in finance, social media, and e-commerce. As an open-source contributor, Otavio is directly involved in the Java world as an expert leader in several specifications at the Java Community Process (JCP) and the Eclipse Foundation. His work on the Apache and Eclipse Foundations helps projects such as MicroProfile and Jakarta EE to flourish. As a NoSQL expert, Otávio works with many databases and APIs, including the Jakarta NoSQL specification. Otávio is also the representative of SouJava, the Brazilian Java Users Society, on the JCP and Jakarta EE boards. He has helped the direction and objectives of the Java platform since Java 8. Otávio is a JUG leader, instructor, and mentor. Focusing on helping developers grow their careers, Otávio has authored articles and books about software architecture, Java, good practices, software engineering, software design, and the cloud. As a global speaker, he has presented at the most significant international conferences such as JavaOne, TDC, and Devoxx. He volunteers and helps organize several Java User Groups and meetups around the globe. Otavio is recognized for his Open Source contributions and has received many awards, including all JCP Awards categories and the Duke’s Choice Award, to name a few. Otávio is also a distinguished member of the Java Champions and Oracle ACE programs. Otávio loves history, economy, traveling, programming, and real-world languages. He speaks Portuguese, English, Spanish, Italian, and French and is fluent in dad jokes.
Expertises
Code Management
Application Programming Interfaces (API)
Database
Container Instances
Home Page
https://otaviojava.com/
Oracle Community
https://community.oracle.com/tech/developers/profile/Otavio%20Gonçalves de Santana
Links
Latest Contributions
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Domain-driven Design with Java
Oct 13, 2025 - Book (sole author) -
Java
Oracle NoSQL DB
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From 0 Hero: Mastering Domain-Driven Design in Java
Sep 22, 2025 - Presentation - in-person or virtual - Vienna Meetup
Oracle NoSQL DB
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Making String Search Easier Across Databases
Sep 05, 2025 - Article -
Java
Oracle NoSQL DB
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Unlock Scalable Applications in the Cloud-Native Era: Mastering Domain-Driven Design for the Persistence Layer
Sep 01, 2025 - Presentation - in-person or virtual - JavaZone 2025
Oracle NoSQL DB
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Testing Approaches for Java Enterprise Applications With Jakarta NoSQL and Jakarta Data
Aug 11, 2025 - Article -
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Introduction to Data-Driven Testing With JUnit 5: A Guide to Efficient and Scalable Testing
Aug 07, 2025 - Article -
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Software Engineer Archetypes: The 5 Branding Styles That Shape Your Tech Career
Aug 01, 2025 - Article -
Architecture
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Jakarta EE 11 and the Road Ahead With Jakarta EE 12
Jul 01, 2025 - Article -
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Java Virtual Threads in Action: Optimizing MongoDB Operation
Jul 01, 2025 - Article -
Java
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Mastering the Basics of Domain-Driven Design with Java
Jul 01, 2025 - Article -
Java
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Java Enterprise Matters: Why It All Comes Back to Jakarta EE
Jun 11, 2025 - Article -
Java
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Why Testing is a Long-Term Investment for Software Engineers
Apr 24, 2025 - Article -
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Why Documentation Matters More Than You Think
Apr 22, 2025 - Article -
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Injecting Implementations With Jakarta CDI Using Polymorphism
Apr 03, 2025 - Article -
Java
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Jakarta NoSQL 1.0: A Way To Bring Java and NoSQL Together
Mar 26, 2025 - Article -
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