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AlejandroMartinezG/README.md

👋 Alejandro — QA/QC + Data/BI + Automation + Web Systems

I work at the intersection of Chemical Quality (QA/QC), data analytics, automation, and web development.
My focus: build systems that help teams capture quality data correctly, find it fast, and use it to improve decisions.


🔎 Areas of work

  • Chemical QA/QC: finished products, physicochemical parameters, traceability & documentation
  • Web systems: frontend + backend + databases for internal tools
  • Data & automation: workflows and interfaces that reduce friction and improve data quality

🧰 Core stack

  • Languages: TypeScript, JavaScript, Python
  • Web: Next.js (App Router), Tailwind CSS, Supabase
  • Database: PostgreSQL (PLpgSQL), SQL
  • Automation: n8n, GitHub Actions
  • Other: VPS, Git/GitHub, Docker, Power BI

📌 Featured projects

Enterprise Quality Control Platform (QA/QC)
A robust system designed to modernize industrial production logging and quality assurance.

  • Purpose: Centralize laboratory standards, real-time production monitoring, and Non-Conforming Reports (NCR) management.
  • Tech Stack: Next.js (App Router), TypeScript, Tailwind CSS, Supabase, TanStack Table, Zod, and shadcn/ui.
  • Key Features:
    • Live Production Log: High-precision data capture for real-time monitoring.
    • Advanced Analytics: KPI dashboards (e.g., pH conformity) and automated PDF/Excel reports.
    • Role-Based Security: RBAC implementation for laboratory, production, and admin roles.

Quality Hub Dashboard Quality Hub Reports

Logistics & Procurement Tracking System
Specialized internal tool for "Cloro de Hidalgo" to optimize raw material supply chains.

  • Purpose: Automate the lifecycle of purchase requisitions and coordinate delivery logistics.
  • Tech Stack: Next.js, TypeScript, Supabase (PLpgSQL), and Tailwind CSS.
  • Key Features:
    • Procurement Calendar: Visual tracking of technical and logistics delivery schedules.
    • Multi-Role Approval: Integrated flow between Laboratory and CEDIS to ensure supply integrity.
    • Real-time Status: End-to-end monitoring from "Pending" to "Delivered" with instant updates.

App Compras Calendar Dashboard


📈 Impact (current)

  • Improved UI and streamlined information processing for production/quality logging
  • Reduced time and friction in data capture and record-keeping

🤝 Collaboration / opportunities

Open to: opportunities, code reviews, ideas, contributions, and suggestions.


📚 Currently learning

Google Antigravity · Stitch · Google AI Studio · NotebookLM · Claude Code · Git/GitHub


🧭 Principles

  • Good manufacturing practices mindset: traceability, standardization, clear documentation
  • Data quality first: validation, constraints, consistent identifiers, audit-ready logs
  • Security by default: least privilege, secrets management, safe deployment habits
  • Pragmatism: build small, measurable improvements that stick

🌍 Languages

Spanish (native) · English

Portfolio link: (coming soon)

Popular repositories Loading

  1. quality-hub quality-hub Public

    Código del Sitio Web de Documentación del Laboratorio de Calidad y Desarrollo Ginez

    TypeScript

  2. AlejandroMartinezG AlejandroMartinezG Public

  3. App_Compras App_Compras Public

    Plataforma inteligente para el control integral de suministros logísticos para Cloro de Hidalgo. Integrada con un calendario interactivo, administración de referencias maestras y control de roles, …

    TypeScript

  4. App_Pedidos_CEDIS App_Pedidos_CEDIS Public

    Plataforma B2B para gestionar, controlar y despachar pedidos automatizados desde múltiples sucursales hacia un Centro de Distribución (CEDIS).

    TypeScript