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andref218/README.md

Hi 👋, I'm André

Software Developer
AI Engineering • Full-Stack Development

Explore my Interactive 3D Portfolio with a built-in AI Assistant:


View Portfolio GitHub Repository

typing header

I'm a Software Developer passionate about AI Engineering and Full-Stack Development.

Outside of coding, I’m always learning, exploring new tools, looking for ways to improve both my technical skills and the overall quality of my work — or playing basketball when I need a break. 🤓

Building AI applications with:

  • Large Language Models (LLMs)
  • Retrieval-Augmented Generation (RAG)
  • Fine-Tuning
  • OpenAI API
  • LangChain
  • Ollama
  • Python

Also experienced in:

  • Next.js
  • React
  • Node.js
  • MongoDB

GitHub Profile Summary


Featured Projects 🚀

AI Document Assistant (RAG)

A Retrieval-Augmented Generation (RAG) application that enables users to chat with PDF documents using a local Large Language Model.

RAG Studio

Key Features

  • Upload and index one or multiple PDF documents.
  • Semantic document retrieval using ChromaDB.
  • Context-aware question answering powered by a local LLM.
  • Interactive Gradio web interface.

Built With

  • Python • LangChain • Ollama • Llama 3.2 • ChromaDB • Hugging Face Embeddings • Gradio

Llama 3.2 Customer Support Fine-Tuning

An end-to-end LLM fine-tuning project that adapts Meta Llama 3.2 3B Instruct for customer support conversations using QLoRA and PEFT. The project covers dataset preparation, supervised fine-tuning, experiment tracking, evaluation, and LoRA adapter export for efficient inference.

Llama 3.2 Fine-Tuning

Key Features

  • Fine-tuned Meta Llama 3.2 3B Instruct using QLoRA.
  • Parameter-efficient training with PEFT and LoRA adapters.
  • 4-bit quantization using BitsAndBytes.
  • Experiment tracking and evaluation with Weights & Biases.

Built With

  • Python • Transformers • TRL • PEFT • QLoRA • BitsAndBytes • Hugging Face • Weights & Biases

Vynilz

A full-stack web application for vinyl collectors to organize, discover, and showcase their collections online.

Vynilz Vynilz Showcase

Key Features

  • Google Authentication
  • Public collector profiles
  • Vinyl search powered by Discogs
  • Achievement and badge system

Built With

  • Next.js • React • TypeScript • Tailwind CSS • MongoDB • Auth.js • Discogs API

Tech Stack 🛠️

Contact & Links 📫

LinkedIn GitHub Hugging Face

GitHub Activity 🐍

GitHub contribution snake

Pinned Loading

  1. devquest_ai devquest_ai Public

    A multi-agent AI platform that transforms learning goals into personalized roadmaps, project-based coding quests, and AI-powered feedback.

    TypeScript

  2. rag_studio rag_studio Public

    An Retrieval-Augmented Generation (RAG) platform for chatting with multiple PDF documents, optimizing retrieval quality, and benchmarking RAG performance.

    Python

  3. llama3.2-customer-support-qlora llama3.2-customer-support-qlora Public

    Fine-tuning Llama 3.2 with QLoRA to build a specialized enterprise customer support assistant.

    Jupyter Notebook

  4. 3d_portfolio 3d_portfolio Public

    Interactive 3D portfolio built with React, Three.js, and a RAG-powered AI assistant.

    JavaScript 1

  5. job_application_tracker job_application_tracker Public

    Manage and monitor all your job applications in one place. App built in Next.js.

    TypeScript

  6. vynilz-showcase vynilz-showcase Public

    Production-ready vinyl collection platform built with Next.js, MongoDB and Auth.js.