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olived/README.md

Hi, I'm Daniel Oliveira 👋

Data Engineer | ETL & Data Pipelines | Cloud | Data Visualization & BI

I build end-to-end data solutions — from data ingestion, transformation, and integration to analytics and interactive dashboards.

My background combines Data Engineering with strong experience in Data Visualization, allowing me to understand both the technical data pipeline and how information will ultimately be consumed by businesses.

About Me

  • 🔄 Experience with ETL processes, data integration, and pipeline development
  • 🐍 Python and SQL for data processing and automation
  • ☁️ Experience with Azure and GCP, currently expanding my AWS knowledge
  • 📊 Data Visualization with Power BI, Looker Studio, and Tableau
  • ⚙️ Workflow development using Informatica PowerCenter
  • 🤖 Automation and AI solutions with n8n, APIs, and generative AI
  • 🌎 Based in São Paulo, Brazil

Technologies

Data Engineering: Python, SQL, PySpark, Informatica PowerCenter, ETL, Data Pipelines
Cloud: AWS, Microsoft Azure, Google Cloud Platform
Data Visualization: Power BI, Looker Studio, Tableau
Databases: Oracle, SQL Server, Neo4j
Automation & Development: Git, GitHub, FastAPI, n8n, REST APIs

Featured Projects

Revenue & Retention Dashboard

Interactive Power BI dashboard for revenue, channel, product, and customer retention analysis.

Logistics Operations Dashboard

Looker Studio dashboard for analyzing deliveries, operational costs, and carrier performance.

CERC Rejected Files Processing

Python automation for processing, standardizing, and reprocessing CERC return files.

GA4 E-commerce Accessory Store

B2C e-commerce demonstration project with GA4, Google Tag Manager, and Looker Studio.

Automated Appointment Scheduling

Automated scheduling workflow integrating chatbot, n8n, Google Sheets, and Google Calendar.

Currently Learning

  • AWS cloud architecture and data services
  • Modern data lake and Medallion Architecture concepts
  • Generative AI and intelligent data automation

Contact

LinkedIn

Popular repositories Loading

  1. powerbi-dashboard-revenue-retention powerbi-dashboard-revenue-retention Public

    Interactive Power BI dashboard for revenue, channel, product, and customer retention analysis using DAX and cohort modeling.

  2. processamento-recusas-cerc processamento-recusas-cerc Public

    Python ETL automation for validating, standardizing, and reprocessing rejected CERC return files with Pandas.

    Python

  3. looker-dashboard-operacoes-logistica looker-dashboard-operacoes-logistica Public

    Interactive Looker Studio dashboard for logistics KPIs, delivery performance, operational costs, and carrier analysis.

  4. Sales-Data-Pipeline Sales-Data-Pipeline Public

    End-to-end sales data pipeline built with Pentaho Data Integration, Medallion Architecture, and dimensional modeling.

  5. automated-appointment-scheduling automated-appointment-scheduling Public

    End-to-end appointment scheduling automation integrating Typebot, n8n, Google Sheets, and Google Calendar.

  6. ga4-ecommerce-accessory-store ga4-ecommerce-accessory-store Public

    GA4 e-commerce tracking implementation using Google Tag Manager, dataLayer events, JavaScript, and GitHub Pages.

    HTML