Medium

Raphael De Lio

1.1K followers

Raphael De Lio

Mar 30

Mocking developers while your .env file is public won’t end well

This weekend, something happened in the Brazilian dev community on Twitter that is worth talking about: mocking developers while your .env…

Redis with Raphael De Lio

Raphael De Lio

Nov 3, 2025

Reflection on my first year as a Developer Advocate (at Redis)

Today I complete my first year as a developer advocate and to celebrate I'd like to explore one question many have asked me: What does a…

Reflection on my first year as a Developer Advocate (at Redis)

Redis with Raphael De Lio

Raphael De Lio

Jul 31, 2025

Semantic Caching with Spring AI & Redis

Build intelligent semantic caching with Spring AI and Redis to dramatically reduce LLM API costs. Cache responses by meaning, not exact…

Redis with Raphael De Lio

Raphael De Lio

Jul 16, 2025

Agent Memory with Spring AI & Redis

Learn how to build a memory-enabled AI agent using Spring Boot, Spring AI, and Redis. Store and recall user preferences and conversation…

Raphael De Lio

Jun 15, 2025

How I Improved Zero-Shot Classification in Deep Java Library (DJL) OSS

Did you know the Deep Java Library (DJL) powers Spring AI and Redis OM Spring? DJL helps you run machine learning models right inside your…

Screenshot of a GitHub pull request titled “Align ZeroShotClassificationTranslator with Hugging Face behavior #3712” in the DJL (Deep Java Library) repository. The PR was created by raphaeldelio and merged by xyang16. It describes improvements to the translator to match the behavior of Hugging Face’s zero-shot classification pipeline in Python. The right panel shows reviewers (frankfliu, xyang16, zachgk), all marked as reviewed. The PR includes 4 commits, 5 checks, and changes in 3 files.

Raphael De Lio

May 13, 2025

How to send prompts in bulk with Spring AI and Java Virtual Threads

TL;DR: You’re building an AI-powered app that needs to send lots of prompts to OpenAI.

How to send prompts in bulk with Spring AI and Java Virtual Threads

Redis with Raphael De Lio

Raphael De Lio

Apr 29, 2025

Semantic Search with Spring Boot & Redis

You’re building a semantic search app using Spring Boot and Redis. Instead of matching exact words, semantic search finds meaning using…

Semantic Search with Spring Boot & Redis

Raphael De Lio

Apr 6, 2025

Why and How we made Spring AI optional in Redis OM Spring

Redis with Raphael De Lio

Raphael De Lio

Feb 24, 2025

Sliding Window Counter Rate Limiter (Redis & Java)

Learn how to implement a Sliding Window Counter Rate Limiter using Redis and Java. Discover an efficient way to manage API request limits…

Sliding Window Counter Rate Limiter (Redis & Java)

Redis with Raphael De Lio

Raphael De Lio

Jan 22, 2025

Mocking developers while your .env file is public won’t end well

This weekend, something happened in the Brazilian dev community on Twitter that is worth talking about: mocking developers while your .env…

Reflection on my first year as a Developer Advocate (at Redis)

Today I complete my first year as a developer advocate and to celebrate I'd like to explore one question many have asked me: What does a…

Semantic Caching with Spring AI & Redis

Build intelligent semantic caching with Spring AI and Redis to dramatically reduce LLM API costs. Cache responses by meaning, not exact…

Agent Memory with Spring AI & Redis

Learn how to build a memory-enabled AI agent using Spring Boot, Spring AI, and Redis. Store and recall user preferences and conversation…

How I Improved Zero-Shot Classification in Deep Java Library (DJL) OSS

Did you know the Deep Java Library (DJL) powers Spring AI and Redis OM Spring? DJL helps you run machine learning models right inside your…

How to send prompts in bulk with Spring AI and Java Virtual Threads

TL;DR: You’re building an AI-powered app that needs to send lots of prompts to OpenAI.

Semantic Search with Spring Boot & Redis

You’re building a semantic search app using Spring Boot and Redis. Instead of matching exact words, semantic search finds meaning using…

Why and How we made Spring AI optional in Redis OM Spring

Sliding Window Counter Rate Limiter (Redis & Java)

Learn how to implement a Sliding Window Counter Rate Limiter using Redis and Java. Discover an efficient way to manage API request limits…

Sliding Window Log Rate Limiter (Redis & Java)

Build a sliding window log rate limiter with Redis and Java. Track requests in a rolling window, expire old entries, and test your setup …

Raphael De Lio