/generative AI: beginner's guide

Can you build a working AI chatbot without any prior AI knowledge? Rachel did—and here’s how. In this episode, senior software developer, Rachel Clifton joins James to share how she tackled her very first AI project—building a Retrieval-Augmented Generation (RAG) chatbot from scratch. Rachel breaks down the beginner-friendly tools that made it possible, including Spring AI, Apache Tika, and PGVector, and opens up about the challenges of chunking, hallucinations, and missing metadata. If you’ve been curious about AI but don’t know where to start, this episode is a practical, encouraging place to begin.