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Daniel-jcVv/README.md

Juan Daniel García Belman

🤖 AI Data Automation Engineer | 📊 Data Infrastructure | ⚡ Agentic Workflows

Portfolio LinkedIn Email

Status Experience Location


👨‍💻 About Me

AI Data Automation and Data Engineer with over 4 years of professional experience supporting Fortune 500 clients (Telcel, Citi Banamex). Hands-on in pipeline operations, multi-environment deployment, data reconciliation, and metadata governance. Currently building AI automation workflows with n8n and Python and Agentic AI.


🛠️ Tech Stack

AI & Automation

n8n Python AI Agents LangChain RAG

Data Engineering & Architecture

Databricks T-SQL PySpark Power BI

Cloud & DevOps

Azure ADF ADLS Gen2 Docker Git


Professional Experience

Freelance AI Automation Projects | Independent

May 2025 – Present

  • AI voice sales agent for hardware distributor — inventory lookup + order tracking 24/7 (n8n, Docker)
  • Automated fuel cost optimizer — scrapes 100+ gas stations, delivers top-3 via dashboard (n8n, Python)

ETL Pipeline Operations — NTT DATA | Telcel Client

May 2024 – Apr 2025

  • Operated 150+ ADF pipelines processing 5M+ daily records; ingesting 500-600 .unl files via SFTP into ADLS Gen2 with Get Metadata validation against .verf control files, resolving failures on 24/7 on-call rotation
  • Executed daily reconciliation through Databricks notebooks (SQL + PySpark) on Job clusters, applying MERGE on Delta tables and validating control figures via Azure SQL stored procedures
  • Maintained CI/CD workflow through Azure DevOps Git integration, promoting pipelines across environments via ARM templates with naming conventions.

Metadata Governance Analyst — NTT DATA | Citi Banamex Client

Feb 2023 – May 2024

  • Maintained naming standards across Raw/Staging/Curated layers in ADLS Gen2; used Unity Catalog for lineage tracking, tagging policies, and naming compliance validation
  • Processed metadata change requests via JIRA, running SQL-based validation against DAMA DMBOK conventions; maintained CNBV regulatory documentation in Confluence

Data Analyst — NTT DATA | Citi Banamex Client

Feb 2022 – Feb 2023

  • Analyzed banking financial datasets using SQL/Excel for data reconciliation; built 10+ Power BI dashboards (DAX) for executive reporting
  • Automated monthly validation of 500+ data attributes with Python (OpenPyXL, pyodbc), reducing processing time from 8 hours to 45 minutes

Industrial Process Analyst — ZF TRW

May 2018 – May 2021

  • Cost-saving machining process optimization (+150 units/hour, 5% cost savings) and built Excel dashboards

Portfolio Projects

Automated inventory health pipeline: dead stock detection, overstock alerts, and demand forecasting from raw ERP exports.

ETL pipeline and interactive dashboard for fleet fuel consumption and route analysis.

  • Stack: Python, pandas, SQLite, Streamlit

Education

B.Eng. in Manufacturing Technologies Universidad Politécnica de Guanajuato, 2015

Certifications

  • IBM Data Warehousing Engineer — Coursera, 2024
  • Google Data Analytics — Coursera, 2022

Languages

Spanish: Native | English: Intermediate (B1+, technical reading/writing)


Soli Deo Gloria

Ora et labora

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  1. ai-voice-sales-agent ai-voice-sales-agent Public

    AI voice sales agent for server components & accessories - automates product recommendations, order tracking, and customer support via ElevenLabs + n8n workflows

    HTML 1

  2. gps-fleet-analytics gps-fleet-analytics Public

    GPS fleet analytics: ETL pipeline (pandas + SQLite) and interactive Streamlit dashboard with Plotly charts, filters, and AI chat (Groq/Llama 3.3).

    Jupyter Notebook

  3. inventory-autopilot inventory-autopilot Public

    Automated inventory health pipeline that processes ERP records to detect dead stock, overstock. Features AI-powered dashboard with Streamlit, Plotly charts, and Groq-based chat assistant. Automated…

    Jupyter Notebook

  4. portfolio-web portfolio-web Public

    Data Engineering Portfolio - React + Vite + TailwindCSS Modern, responsive portfolio showcasing enterprise data engineering projects and 3+ years of Fortune 500 experience. Built with React, Tailwi…

    JavaScript