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Achievement: Pair Extraordinairex2Achievement: YOLOAchievement: Arctic Code Vault ContributorAchievement: Pull Sharkx3

Achievements

Achievement: Pair Extraordinairex2Achievement: YOLOAchievement: Arctic Code Vault ContributorAchievement: Pull Sharkx3

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alexandrerays/README.md

Hi 👋, I'm Alexandre Ray

ABOUT ME

Hello! I’m an AI Product Engineer.

I build AI products that empower businesses through artificial intelligence and entrepreneurship.

I hold a bachelor’s degree in computational physics and a master’s degree in computer engineering / computer vision, both from University of São Paulo.

PROJECTS

In the pinned repositories below, you will find selected projects from my AI engineering portfolio, including:

Category Description
Domain-specific RAG system Focused on legal document retrieval and question answering.
Domain-specific RAG system Focused on medical knowledge retrieval and grounded clinical-style responses.
Agentic AI system AI agent designed to analyze stock market data, reason over financial information, and support investment research workflows.
Web application Web app for audio processing and speech-to-text transcription, demonstrating applied AI for voice and language workflows.

In addition to these open-source projects, I also lead the development of two SaaS products, OncoAI Platform and NotebookMed, as well as OncoCare, a mobile app focused on the oncology patient journey.

TECH STACK

Category Technologies
Languages Python, R, Bash, TypeScript
Backend Django, FastAPI, Flask, Node.js
Machine Learning Scikit-learn, PyTorch, TensorFlow, PySpark
GenAI / LLM LangChain, LangGraph, LlamaIndex, Hugging Face, Ollama
Databases & Retrieval PostgreSQL, MySQL, MongoDB, OpenSearch, FAISS, ChromaDB
Cloud & DevOps AWS, Azure, Docker, MLflow, Airflow, Terraform
Other Git, pytest, DeepEval, RAGAS

CONTRIBUTIONS

GitHub Streak

CONTACT

LinkedIn Website Telegram

Pinned Loading

  1. legal-engine legal-engine Public

    RAG-powered legal research prototype that ingests U.S. Supreme Court opinions, builds a hierarchical chunk index with LlamaIndex and FAISS, and answers questions with grounded, cited answers via a …

    Python

  2. medical-rag medical-rag Public

    Cited RAG agent over FDA and WHO healthcare AI documentation. Answers regulatory and responsible AI questions with source citations via FastAPI, MCP server, and Gradio chat interface.

    Python

  3. stock-agent stock-agent Public

    An AI agent solution on AWS that hosts a FastAPI endpoint for querying real-time and historical stock prices, powered by LangGraph and Bedrock Claude models with Cognito authentication.

    Jupyter Notebook

  4. speech-flow-ai speech-flow-ai Public

    A modern web application that transcribes audio from YouTube videos and local files into text using AI. Built with TypeScript (Next.js) for the frontend and Python (FastAPI) for the backend.

    Python

  5. ai-content-rag ai-content-rag Public

    A system that answers questions about AI predictions by searching through a curated knowledge base and citing its sources, rather than relying on the AI's own memory.

    Python