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chuckm990/README.md

Hi, I'm Carlos D. Miranda 👋

Aspiring Data Engineer | Turning raw data into reliable, scalable pipelines

I'm building my skills in modern data engineering — designing data warehouses, working with cloud lakehouse platforms, and writing SQL that scales. I enjoy taking messy, real-world data and turning it into something clean, structured, and useful for analytics.

🧰 Skills & Tech Stack

Languages & Tools

Python SQL PostgreSQL SQL Server Databricks VSCode Git

Core Competencies

  • Data Architecture & Engineering — Data Architecture, Data Engineering, ETL Pipeline Development, Data Modeling
  • SQL Development — Window Functions, Common Table Expressions (CTEs), Percentile Functions
  • Analytics — Data Analytics, PostgreSQL Analytics, Customer Segmentation, Cohort Analysis, Retention Analysis, Business KPI Analysis
  • Reporting & Visualization — Data Visualization, Analytical Storytelling, Business-Oriented Reporting

🚀 Featured Projects

Data Warehouse and Analytics Project End-to-end SQL Data Warehouse following the Medallion Architecture (Bronze, Silver, Gold) — a hands-on portfolio project to strengthen data engineering skills.

Support Ticketing System — Databricks Lakebase App A full-featured support ticketing system built with Flask and backed by Databricks Lakebase (managed Postgres).

E-Commerce Sales Analysis Analysis of customer behavior, retention, and lifetime value for an e-commerce company to improve retention and maximize revenue.

📚 Currently Learning

Intermediate data engineering concepts and the Databricks platform — deepening my knowledge of lakehouse architecture, pipeline orchestration, and scalable data workflows.

📫 Get In Touch

LinkedIn Email

Profile Views

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  1. SebaCM/Taxis_Fare_Project SebaCM/Taxis_Fare_Project Public

    This project have the objective of using NN to predict the fare, the route and time of taxis travels in New York City

    Jupyter Notebook 1

  2. SQL_Project_Data_Job_Analysis SQL_Project_Data_Job_Analysis Public

    SQL analysis of the data engineering job market — top-paying roles, in-demand skills, and salary trends, using PostgreSQL and real job posting data.

  3. int_sql_project int_sql_project Public

    Intermediate SQL portfolio project analyzing e-commerce customer behavior through cohort analysis, LTV segmentation, retention analytics, and business-focused reporting in PostgreSQL.

  4. sql_data_warehouse_project sql_data_warehouse_project Public

    Building a modern data warehouse with SQL Server, including ETL processes, data modeling, and analytics, as part of my journey on learning data engineering.

    TSQL