A demo AI agent application with LangChain4j and MongoDB. Allow users to query for movies based on semantic plot descriptions and retrieve from streaming platforms.

A role based access control RAG application built with Spring AI, Ollama, and MongoDB.

A real-time market data aggregator built with Spring Boot, Kafka, Kafka Streams, and MongoDB. It simulates live stock ticks, computes streaming indicators like RSI, stores both raw and derived data in MongoDB, and uses aggregation pipelines to analyze historical trends.

A real-time fraud detection demo built with Spring Boot, Apache Kafka, and MongoDB Atlas Vector Search. It generates synthetic transactions, embeds each one with OpenAI via Spring AI, streams them through Kafka into MongoDB, and uses Change Streams + vector similarity against a user’s history to flag anomalous transactions as potential fraud.

Sample App used in the hands-on labs during Developer Days

GenAI Cookbook

whatscooking multilingual

Python client for embedding and querying documents using VoyageAI and MongoDB Atlas Vector Search.

Pre-build executables for the Architect Day sharding performance demo.