g
gerapianer

Gerardo Porras

@gerapianer

Data Engineer and Analytics Specialist

Costa Rica
English, Spanish
About me
Hi! I am a Data Engineer and SQL Specialist focused on building clean, scalable Data Warehouses and Lakehouse architectures. I help businesses organize, transform, and monetize their datasets using modern technologies like Databricks, Spark SQL, and relational databases My expertise includes: Dimensional Modeling (Kimball Star Schema, Fact & Dimension tables) Slowly Changing Dimensions (SCD Type 1 & Type 2) ETL/ELT Pipeline Development (Medallion Architecture: Bronze, Silver, Gold) Advanced SQL Querying, Data Cleaning, and Multi-Currency Transformations... Read more

Skills

g
gerapianer
Gerardo Porras
Offline • 
Average response time: 1 hour

See my services

Data Warehouse
I will design sql data warehouses, etl pipelines, and databricks solutions
From$15 / projectMore details

Work experience

Freelance

Data Engineer & SQL Specialist

Freelance • Self-employed

Sep 2026 - Present • 0 mos

Designed and implemented Delta Lakehouse architectures (Bronze, Silver, Gold) using Databricks and Spark SQL. Built automated ETL pipelines, Kimball star schema models, and multi-currency monetization logic for reporting.