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  • Monterrey, Nuevo León, México
  • 20:11 (UTC -06:00)

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Achievement: Pull Sharkx3Achievement: QuickdrawAchievement: Pair Extraordinairex2Achievement: YOLO

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DataDave-Dev/README.md

David — Full-stack developer · Ingeniero Administrador de Sistemas · frontend, backend, data, AI systems

Full-stack developer. I design and ship complete products — interface, API, database, deploy — not slices of one.

Next.js and Astro on the front. Node and Python on the back. SQL Server, PostgreSQL and SQLite underneath. And when a product has to answer business questions, I build the pipelines, dashboards, and AI tooling that make it answer them.

WORK

becwright — deterministic pre-commit guardrails for AI-generated code weftmap — paste code, get an interactive call graph modlane — adaptive AI model router for coding agents valora — open-source personal finance app

Also in the shop: multi-company ETL pipelines, daily margin reporting with email alerts, and a WhatsApp pricing-approval bot — private, internal business systems.

OPEN SOURCE

La Velada del Año V — 34 merged pull requests into midudev/la-velada-web-oficial, covering performance, accessibility, security, testing and UI redesign

IMPACT

Products shipped end to end · internal systems running daily across a multi-company group · pricing and margin reporting automated · ETL pipelines and dashboards for sales, inventory and strategy

STACK

Frontend: TypeScript, JavaScript, React, Next.js, Astro · Backend: Node.js, Python, PostgreSQL, SQLite · Data: SQL Server, Power BI, Pandas · Infrastructure: Docker, Git, Vercel

CONTACT

deleonalonso77@gmail.com · github.com/DataDave-Dev

Build things that solve real problems.

Pinned Loading

  1. midudev/la-velada-web-oficial midudev/la-velada-web-oficial Public

    Web oficial de La Velada V de Ibai Llanos

    TypeScript 1.9k 887

  2. valora-official valora-official Public

    Open-source personal finance app — track income, expenses, credit cards, and loans in real detail. No subscription, no spreadsheets. Next.js 16 + SQLite.

    TypeScript 1

  3. becwright becwright Public

    Deterministic pre-commit guardrails for AI-generated code: rules that carry their why, block violating commits, and travel between repos (BECs). Any language, no Python required.

    Python 3 7

  4. weftmap weftmap Public

    Pega código y obtén un grafo de llamadas interactivo (Python/JS) — Next.js + tree-sitter + React Flow

    TypeScript 3 7

  5. Send-Mails Send-Mails Public

    Sistema para Envios de Correos Masivos con Rate Limiter / System for Sending Mass Emails with Rate Limiter

    Python 1

  6. modlane modlane Public

    Adaptive AI model router for coding agents — use the right model for every step, not the most powerful model for every task.

    TypeScript 2 1