Otavio Santana @otaviojava

Empowering software engineers to be more productive and effective to reach the ultimate stage of sophistication. Java, NoSQL, Software Design, & Architecture. otaviojava.com Leiria, Portugal Joined December 2010

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Gavin King ⍼⍼⍼ @1ovthafew

23 hours ago

Persistence 4.0 milestone 4 and Query 1.0 milestone 2 are now available for community review. @JakartaEE

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Otavio Santana @otaviojava

18 hours ago

AI in the enterprise isn't a free-for-all. 🤖 We're already seeing patterns emerge: ✅ Direct AI calls ✅ MCP integrations ✅ AI workflows ✅ Agent systems The challenge isn't using AI. It's choosing the right level of autonomy. #AI #Architecture #MCP #SoftwareEngineering

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Otavio Santana @otaviojava

19 hours ago

🧠 Think of LangChain4j as Spring #Jakarta Data for AI. Define interfaces, work with domain objects, and let the framework handle provider communication. Change the AI provider, keep the code. 🚀 Same abstraction. Different domain. #Java #JakartaEE #LangChain4j #AI #LLM

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JakartaOne @JakartaOneConf

22 hours ago

📢 Meet @otaviojava, an award-winning software engineer, architect, and contributor to the Java ecosystem! We’re thrilled to have him as part of the JakartaOne Livestream Program Committee. 📍 Join us online on 1 December 2026! hubs.la/Q04gyHkd0 @JakartaEE #opensource

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Otavio Santana @otaviojava

2 days ago

Gremlin is a functional, step-based language for querying graph structures. Read more 👉 lttr.ai/ArtKa #java #nosql #Eclipse

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Otavio Santana @otaviojava

3 days ago

One mistake I see from senior engineers? 👇 Underestimating fundamentals. Frameworks change. HTTP remains. 🌐 Understanding what happens behind Spring, Quarkus, and modern web stacks makes you a stronger engineer. 📘 Java Web Internals: packtpub.com/en-us/product/… @prof_isidro

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Jakarta EE @JakartaEE

3 days ago

📢 TOMORROW: Join Dominika Tasarz to discuss A JUG-gle is Real - Growing Java Communities: Challenges, Shifts & Opportunities and the stumbling blocks that you don't know about. Register today! hubs.la/Q04j05pM0 #opensource #JakartaEE #cloudnative

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Bisenga OS @BisengaOS

4 days ago

@otaviojava Completely agree. Meetings should be tools for progress, not just calendar fillers. Solid point.

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Otavio Santana @otaviojava

4 days ago

But the principle remains: tools don’t fix bad meetings — they scale good ones. Read the full article: Designing Effective Meetings in Tech: From Time Wasters to Strategic Tools ▸ lttr.ai/Ari8e #productivity #ClearGoals #SoftwareEngineering

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Markus Eisele @myfear

5 days ago

LangSmith does not need to stay in the Python corner. I wrote a Quarkus walkthrough that sends LangChain4j traces to LangSmith over OTLP, including plain chat, tool calls, and controlled failures. It also covers the two easy footguns: /otel vs /otel/v1/traces, and region-specific endpoints. the-main-thread.com/p/quarkus-lang… #langsmith #quarkus #java

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Ivar Grimstad @ivar_grimstad

4 days ago

Hashtag Jakarta EE number 335 is out! A short update from Transylvania. Check out the nightly builds of Jakarta EE 12 snapshot agilejava.eu/2026/05/31/has… #JakartaEE #EclipseFoundation #Community

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Otavio Santana @otaviojava

4 days ago

When approached intentionally, however, meetings become a powerful coordination tool: one with clear goals, proper time constraints, strong facilitation, and a foundation of asynchronous preparation and documentation. Read more 👉 lttr.ai/Ari8d #productivity

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Faisal Feroz | Fractional CTO (AI + Modernization) @FaisalFeroz

6 days ago

@otaviojava Spot on — ACLs and boundaries are exactly how you contain prompt injection & vendor coupling. Old patterns, new threats.

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Otavio Santana @otaviojava

5 days ago

Meetings were supposed to be an ally — a tool to align people, make decisions, and move systems forward. Read more 👉 lttr.ai/Ari8Z #productivity #ClearGoals #SoftwareEngineering

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Jakarta EE @JakartaEE

6 days ago

Have you started building your Java community? The first thing you need to do is get people through the door. Now that you've gotten past that first hurdle, Dominika Tasarz will explain how there's so much more to think about, localization, university partnerships, continuity, and leadership. Register today, you won't want to miss : hubs.la/Q04hSLc-0 #opensource #JakartaEE #cloudnative

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Otavio Santana @otaviojava

5 days ago

If you’ve been in software engineering long enough — especially as a senior, staff engineer, architect, or tech executive — you’ve felt it: meetings that drain energy, fragment your focus, and somehow still fail to move anything forward. ▸ lttr.ai/Ari8Y

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Otavio Santana @otaviojava

6 days ago

Cypher is Neo4j’s declarative query language designed to express graph patterns intuitively. Read more 👉 lttr.ai/Ari8X #Java #nosql #Neo4j

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Otavio Santana @otaviojava

7 days ago

LangChain is basically “Spring Data for AI.” 🤖 ✅ interfaces ✅ annotations ✅ vendor abstraction But instead of databases, it abstracts AI providers. Result: 💡 less vendor lock-in 💡 lower cognitive load 💡 cleaner architecture #AI #LangChain #Java #Architecture

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Otavio Santana @otaviojava

7 days ago

To better illustrate the differences between relational and graph databases in such scenarios, the following table summarizes how each approach models and queries data Read more 👉 lttr.ai/Ari8W #Java #nosql #Database

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Gavin King ⍼⍼⍼ @1ovthafew

a week ago

JEP 500 [openjdk.org/jeps/500] has the potential to really cause chaos for Java/Jakarta EE users. Worst case, it breaks most enterprise apps that use Hibernate (which is quite possibly most enterprise apps).