> ## Documentation Index
> Fetch the complete documentation index at: https://me.miltonials.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Skills & Tools

> The languages, frameworks, and tools Milton Barrera works with — from kernel-level C to web apps and data pipelines in Python.

A quick, scannable map of what I work with. The projects and roles linked throughout this site are the evidence behind it.

## Data Science & AI

<CardGroup cols={2}>
  <Card title="AI / ML" icon="robot">
    Retrieval-Augmented Generation (RAG), generative AI, integrating large-scale knowledge bases with LLMs
  </Card>

  <Card title="Data & BI" icon="chart-column">
    Data mining, ETL (Microsoft SSIS), business intelligence, data visualization with R and Tableau
  </Card>
</CardGroup>

## Languages

| Language       | Where I've used it                                                                |
| -------------- | --------------------------------------------------------------------------------- |
| **Python**     | Async scraping & data analysis — [CrAutos Scraper](/projects/crautos-scraper)     |
| **C / C++**    | Systems work, simulations, and a [Linux kernel](/projects/linux-kernel) HID quirk |
| **C# / .NET**  | Web apps with .NET Core and Blazor                                                |
| **JavaScript** | Browser apps & simulations — [Escape Room](/projects/escape-room)                 |
| **Java**       | Android development and academic projects                                         |
| **R**          | Statistics and data exploration                                                   |

## Web & App Development

<CardGroup cols={2}>
  <Card title="Frontend" icon="browser">
    JavaScript, HTML5, CSS3, Bootstrap, Blazor, Progressive Web Apps (Service Workers, Workbox)
  </Card>

  <Card title="Backend" icon="server">
    .NET Core, C#, Node.js
  </Card>
</CardGroup>

## Data & Databases

<CardGroup cols={2}>
  <Card title="Data / Python stack" icon="chart-line">
    asyncio, httpx, BeautifulSoup, pandas — concurrent data collection, cleaning, and scoring
  </Card>

  <Card title="Databases" icon="database">
    PostgreSQL, MySQL, MSSQL, Oracle DB, MongoDB, Firebase
  </Card>
</CardGroup>

## Practices & Tooling

<CardGroup cols={2}>
  <Card title="Engineering hygiene" icon="wrench">
    Git & GitHub, linting/formatting (ruff), testing (pytest), pre-commit hooks
  </Card>

  <Card title="Domains" icon="compass">
    Open-source contribution, web scraping & automation, GIS / OpenStreetMap, kernel-level HID
  </Card>
</CardGroup>