BRIGHTCODE – Michał Żarnecki Portfolio

Hi, I'm Michał Żarnecki — Programmer, Machine Learning Specialist, and Educator. I specialize in building innovative systems and solutions at the intersection of artificial intelligence, machine learning, and data-driven technologies. With a strong foundation in Python and PHP, my work focuses on delivering impactful results and web based systems in areas such as data mining, big data, and natural language processing. On this website you can check some of my projects and recent activity.

Creating LLM Applications and AI Agents. Video Course. Learn the LangChain and LangGraph Libraries

Posted on 30 November 2025  in lectures

The course “Creating LLM Applications and AI Agents. Video Course. Learn the LangChain and LangGraph Libraries” is a practical guide for developers through LLM revolution in app development and and agentic workflows. In this course I show how to create complete AI agent applications, integrating LLM with databases, tools, APIs, and even custom business logic. The course uses the Python programming language and the LangChain and LangGraph libraries.
Course consists of 6h of video “hands on” tutorials and resources to experiment on your own.
course platform: https://videopoint.pl/ (Helion publishing house)
code repository with examples used in the course: https://github.com/mzarnecki/course_llm_agent_apps_with_langchain_and_langgraph

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