HELLO, I'M BRBN-JPGBRBN-JPGBRBN-JPG
My name is Jakub Kuźnicki. I am a Software Engineer and Computer Science Graduate (Engineer's degree) based in Warsaw. I specialize in Java, Python and RAG / LLM system architecture. I am currently working at Netcompany while exploring side projects and home server infrastructure.
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Junior Java Developer
Jun 2026 — PresentDeveloping enterprise-level solutions and delivering high-quality software in a professional consulting environment.
Backend Developer Intern
Mar 2025 — Jun 2025Built LangChain-based ingestion pipelines and implemented RAG systems using LangChain4j & Spring Boot. Managed containerization and deployed LLM-driven data processing solutions.
REPOSITORIES
LlamaTalks
A Spring Boot-based chatbot application leveraging LangChain4j and Ollama for advanced conversational AI with Retrieval-Augmented Generation (RAG) capabilities. It supports streaming responses, conversation management, document ingestion, and persistent chat history.
Gamelog
A full-stack game backlog management system. Organize your video game library using a Kanban-style dashboard, track playtime, rate games, and connect with other users.
MapGenerator
A full-stack procedural world generator that turns a single seed into a fully-realized fantasy map. Combines a Spring Boot backend with a Vue 3 + TypeScript frontend rendering on HTML5 Canvas, with real-time streaming, stylized water animation, and dynamic terrain shading.
Cibaria
A full-stack web application for recipe management. The backend is powered by Spring Boot, providing robust RESTful APIs, while the frontend is built with Angular for a dynamic user experience.
SosniakPortfolio
A personal portfolio website built for Sebastian Sośniak with Astro, TypeScript and Tailwind CSS. Focused on fast, content-first delivery with a clean, modern presentation of projects and experience.
StrefaSA
A modern marketing website and in-game store for a Polish MTA:SA server. As a co-owner and co-creator, I developed a cinematic landing page with live statistics and a Stripe-integrated shop.