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WillyyyFernandez/README.md

Hi, I'm William Fernández 👋

Data & AI Engineering Student

Typing SVG

👨‍💻 About Me

  • 🎓 5th-semester Data & AI Engineering student at Universidad Politécnica de Yucatán
  • 🔧 Solid foundation in data engineering: ETL pipelines, SQL, cloud infrastructure (AWS ECS Fargate), Terraform, Docker
  • 🤖 Currently deep in LLM agent orchestration — LangGraph, multi-agent Blackboard architectures, local SLMs via Ollama
  • 📊 I like turning raw data into systems people can actually use: pipelines, dashboards, and now agentic AI on top of them
  • 🔭 Preparing for a professional internship (Sept 2026) building a multi-agent AI system
  • 📫 Reach me at fernandezcastillowilliam@gmail.com

🚀 Featured Projects

📊 PulseCore DC Dashboard Cloud-native dashboard for monitoring and analyzing the Mexican data center market, deployed on serverless container infrastructure.

Full IaC deployment with Terraform + CI/CD via GitHub Actions.

Python Streamlit AWS ECS Fargate Terraform Docker

🦠 COVID-19 Mortality Analysis End-to-end analysis pipeline (cleaning → cohort analysis → time series) feeding an interactive Power BI dashboard on COVID-19 mortality in Mexico.

Python Jupyter Power BI

🌡️ Climavis Interactive climate data platform for Mexico with a REST API backend and full database integration.

Python FastAPI SQLAlchemy

🛡️ TUP-detection (team project) Hybrid prompt-injection detection engine, built with my team at the Apart Research Global South Hackathon 2026. I contributed to the detection pipeline.

95.1% PINT balanced accuracy via regex → Presidio NER → LLM judge (qwen2.5-coder:3b), mapped to OWASP LLM Top 10 & MITRE ATLAS.

Python FastAPI Ollama Docker Compose

🛠️ Tech Stack

Languages

AI & Agents

Cloud & DevOps

Data & Backend

📈 Contribution Activity

Contribution snake animation

🏆 Certifications

Pinned Loading

  1. weather-etl-pipeline weather-etl-pipeline Public

    Python

  2. pulsecore-dc-dashboard pulsecore-dc-dashboard Public

    Data center operations dashboard — Python · Streamlit · AWS ECS Fargate · Terraform · Docker

    Python

  3. climavis-full-stack climavis-full-stack Public

    Forked from climavis/climavis-full-stack

    Dashboard interactivo para visualizar cambios del clima en México de forma dinámica e interactiva.

    TypeScript

  4. covid19-mortality-analysis covid19-mortality-analysis Public

    Jupyter Notebook

  5. notyorch/TUP-detection notyorch/TUP-detection Public

    Hybrid prompt-injection detection engine (regex · Sentinel v2 · LLM judge) — 95.1% PINT balanced accuracy. Detection core of TUP AIGSMP. Built at Apart Research Global South Hackathon 2026.

    Python 1 2

  6. atlas-agi atlas-agi Public

    Forked from notyorch/atlas-agi

    Python