Integrating AI into Java Applications with LangChain4j 2025

🚀 Date: September 25, 2025
 ⏰ Time: 7:30 PM
 ✨ Location: Online / organized by DEV.BG
 🎟️ Free event, registration required: link

🧑‍💻 Part of the Java User Group – monthly events dedicated to Java. Subscribe here: link

📢 Agenda:
Part 1: AI Fundamentals

• LLMs: the brain of AI
• Prompts, Tokens, Context windows – communicating with LLMs and understanding limitations
• Embeddings, Vector databases, Semantic search – searching by meaning
• RAG with custom documents – enriching models with your own data

Part 2: LangChain4j Basics

• Introduction to LangChain4j – a framework for building LLM-powered apps in Java
• Demo: real-world example of integrating AI into a business application

Q&A session

🎟️ Speaker: Veronika Andreeva – Senior Software Engineer @ PROS
Veronika has 10+ years of experience in Java backend development. At PROS, she works on the Revenue Management product – a leading solution helping airlines and other industries optimize revenue with forecasting and dynamic pricing.
Her past experience spans fintech, e-commerce platforms, and Google Cloud projects. Outside of work, she enjoys chess tournaments, salsa dancing, playing piano, and handcrafting.

🏢 Supported by:

• Amusnet – developer of online gaming solutions with 300+ games and presence in 35+ markets.
• Paysafe – global leader in end-to-end payment solutions.
• PROS Bulgaria – a leader in developing high-tech solutions for airlines and B2B businesses.

✨ Organizer: DEV.BG – specialized Job Board for IT jobs.
Check out current Java job postings.

🚀 See you on September 25, 2025 at 7:30 PM!