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jomen93/README.md

Johan Méndez | AI Engineer & Data Scientist

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Building production AI systems — LLMs, Agents, and Data Pipelines

I'm an AI Engineer & Data Scientist with a Physics background (MSc UNAM / BSc UNAL). I build production-grade AI systems: LLM-powered data extraction pipelines, agentic workflows, and structured data infrastructure from messy unstructured sources.

Currently focused on: financial data intelligence, multi-agent systems, and LLM-powered ETL pipelines.

Stack

Core Stack

AI / LLM: Anthropic Claude · OpenAI · LangChain · LangGraph · Google ADK
Data: Pydantic v2 · Scrapy · Selenium · Patchright · httpx · BeautifulSoup
ML: scikit-learn · PyTorch · TensorFlow
Infra: FastAPI · PostgreSQL · MongoDB · Docker · AWS

Featured Projects

Project Description Stack
sec-filing-parser Extract structured data from SEC EDGAR 10-K filings using LLMs + Pydantic v2 Python · Claude/GPT-4o · EDGAR API
meliagent Intelligent e-commerce assistant — multi-agent system with Google ADK Python · Google ADK · LLMs

Stats

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Background

  • M.Sc. Physics — UNAM (Mexico)
  • B.Sc. Physics — Universidad Nacional de Colombia
  • Sr. Data Scientist @ Celes | AI Engineer @ VAO Labs | Data Scientist @ Habi

Popular repositories Loading

  1. Computational_Astrophysics Computational_Astrophysics Public

    Universidad Nacional de Colombia

    Jupyter Notebook 3

  2. numerical-mooc numerical-mooc Public

    Forked from numerical-mooc/numerical-mooc

    A course in numerical methods with Python for engineers and scientists: currently 5 learning modules, with student assignments.

    Jupyter Notebook 1 1

  3. BuildingMachineLearningSystemsWithPython BuildingMachineLearningSystemsWithPython Public

    Forked from luispedro/BuildingMachineLearningSystemsWithPython

    Source Code for the book Building Machine Learning Systems with Python

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  4. RayTrace RayTrace Public

    Ray tracing around a black hole

    Python 1 2

  5. handson-ml handson-ml Public

    Forked from sriharsha0806/handson-ml

    A series of Jupyter notebooks that walk you through the fundamentals of Machine Learning and Deep Learning in python using Scikit-Learn and TensorFlow.

    Jupyter Notebook 1

  6. AGN-s AGN-s Public

    useful codes for active nuclei galaxies

    Jupyter Notebook 1