Reynaldo John Tristan Mahinay Jr.
The Java User Group PH Leader
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Tristan Mahinay is a Technical Leader, Technical Architect and an Innovation Lead at IBM. He has been developing Java-based applications both for product development and consulting. He is currently the Java User Group Leader of Java User Group Philippines, an author for Foojay Community, and an Open-Source Contributor. He always explores new technologies that can fit into creating software.
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Java in AI: Implementation of Google Vertex AI using Spring AI and Hilla
As Generative Artificial Intelligence (Gen AI) continues to impact the industry, we as developers and tech enthusiasts are curious about the capabilities of this technology. We have questions in our minds about how we can have a practical application of this concept.
In this session, I'll demonstrate how to build a Generative AI application using a Java tech stack. We will use Spring AI, a subset of Spring Framework as a gateway to make a Gen AI application connecting to Google Vertex AI and Google Vertex AI Gemini with Hilla Framework, a Java Front-end Framework to visualize the capabilities of Vertex AI.
30 Candles: Happy Birthday, Java! community spotlight edition
Discussed the State of the Java Community in the Philippines and shared experiences on how the Java Community was revitalized through meetups, bootcamps and conferences.
Next-Gen Java: AI, Cloud, & Performance, sponsored by IBM TechXchange
Session: Benchmarking: Open Liberty, Spring Boot, Micronaut, and Quarkus, which is better?
See the performance differences firsthand! We'll present benchmark results for Open Liberty, Quarkus, Micronaut, and Spring Boot, focusing on visual outputs like graphs and charts. You'll gain a clear understanding of each framework's performance characteristics through detailed metrics, including request/response times, memory usage, and CPU utilization. Learn how to interpret these outputs and apply them to your real-world Java applications.
IN PERSON! JUG PH and Apache Kafka® Meetup (March 2025)
Join us for a collaboration meetup of Apache Kafka® and Java User Group PH on March 27th from 6:30pm in Manila!
The event will talk about Building AI Agents with Anthropic MCP, Kafka, and Flink and Spring Kafka
IN PERSON! JUG PH and Apache Kafka® Meetup (March 2025)
Session: Practical Spring Kafka
An introduction of how to integrate Kafka using Spring Kafka and Deployment to RedHat OpenShift
Meetup #10: Next-Gen Development with Java and Generative AI
Demonstrated the use of Hilla Framework, Spring AI, BM watsonx.ai to create a working chat application.
PSIA 54th Enablement Seminar
Talked about Spring Boot and Java Annotations with demonstrations to the Philippine IT Practitioners
Tech Fusion: Data, Java, and Kafka Meetup
Demonstrated the use of Spring Batch to create an efficient batch application to extract, transform and load thousands to millions of data. The demonstration showed the use of Podman Desktop for database containerization.
Google I/O Extended Manila 2024 Sessionize Event
Software Conference Philippines 2023
Talked about the practical usage of Modular Monolithic Architecture. Present foundational architectures leading to this architecture and the domain-driven design.
ING Hubs Philippines DevOps Day 2023
Talked about the business value of Quarkus and the advantage of using it in an enterprise application. The presentation include the sustainability and enery efficiency of the framework.
Quarkus and OpenShift Development
Demonstrated Quarkus Framework to create an API and deployed the application to RedHat OpenShift.
Reynaldo John Tristan Mahinay Jr.
The Java User Group PH Leader
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