Oracle Code One 2019

Monday, Sep 23, 2019 | 1 minute read

Ricardo Ferreira

Last week I had the chance to attend one more time Oracle’s new developer’s conference know as Oracle Code One. It was so nice to catch up with great friends, plus being able to party with people from the Java community. They certainly know how to make things funny and entertaining.

Furthermore, I also had the chance to share a little about Apache Kafka in a talk that I delivered for a room full of developers interested in this technology.

The talk “Keep your Caches Hot with Apache Kafka and the Connector API” was very well accepted and I was glad to see that people liked. I had delivered this talk before in Kafka Summit New York and In-Memory Computing Summit in London, so I guess this time people get the chance to enjoy a more battle-proven demo. Here are the slides of the talk:

https://speakerdeck.com/riferrei/keeping-your-caches-hot-with-apache-kafka-and-the-connector-api

Looking forward to next year’s edition of the conference =)

Previous page Kafka Summit 2019 (San Francisco)
Next page Palestra "Abraçando a Anarquia: Design Patterns de Apache Kafka em Arquiteturas de Dados Modernas e Big Data" no QCon São Paulo

© 2018 - 2026 Ricardo Ferreira

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Open Source

I contribute to LangChain4j, an idiomatic open source Java library for building LLM-powered applications on the JVM. Recent work includes adding native vector search embedding stores so developers can build RAG, recommendation engines, and AI memory systems.

I also ported RedisVL to Go, an open source, AI-native client that brings vector search, semantic caching, LLM memory, semantic routing, rerankers, and an MCP server to the Redis ecosystem for Golang developers.

Public Speaking

I’ve been speaking at conferences since 2008 and doing it full time as part of my work with DevRel since 2018. My talks go deep on the systems I build with: distributed systems and event streaming, AI engineering and vector search, and the data infrastructure that has to hold up when the demo ends and production begins. Some of the events I’ve spoken at include AWS re:Invent, Microsoft Ignite, Google Cloud Next, KubeCon, Oracle OpenWorld, QCon, Strange Loop, Kafka Summit, Pulsar Summit, JavaOne, DevNexus, JFokus, JNation, and All Things Open.

Ricardo Ferreira presenting on the main stage at AI DevWorld
On the main stage at AI DevWorld

You can find my upcoming and past talks on my speaking calendar. Recordings also live on my YouTube channel, and the code I write for talks, demos, and workshops is on my GitHub.

Consulting and Professional Services

If you’d like to hire me as a consultant for your projects, speak at your event, or lead a hands-on workshop for your team, contact me at riferrei@riferrei.com. I can understand the scope of your request and provide a free estimate.

Who am I?

I work at the intersection of AI, data infrastructure, and distributed systems, turning complex technology into things developers can understand and products users love.

Lately, that means hands-on AI engineering: building vector search, semantic caching, agent memory, and RAG into the data layer, and figuring out how to make AI agents secure enough to ship. I contribute to open-source projects like LangChain4j and RedisVL for Golang.

The AI-native work isn’t a pivot. It draws on the same systems-design foundation I’ve built for 20+ years: designing data systems for scale, moving data fast, watching where systems break; now applied to vectors and agents. I have worked on RDBMS and Big Data at Oracle; event streaming with Apache Kafka and Apache Flink at Confluent; observability at Elastic; AI and developer tooling at AWS; and NoSQL and vector stores at Redis. That foundation is exactly what separates AI demos that work on stage from AI systems that survive production.

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