I will write complex sql queries, optimize databases, and model your data

Felipe L

Brazil

I speak English, Portuguese, Spanish

Data Engineer

Senior Data Engineer with 4+ years building production ETL pipelines, data warehouses, and large-scale data processing systems using Python, PySpark, and SQL on AWS. Most recently, I designed and buil...
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About this Gig

Senior Data Engineer with expert-level SQL across PostgreSQL, MySQL, Oracle, and SQL Server. I'll write, optimize, and fix your queries, design schemas, and model your data for performance.


What I offer:

  • Complex SQL query writing
  • Query performance optimization
  • Database schema design
  • Data modeling (Star Schema, dimensional, 3NF)
  • Stored procedures and views
  • Data migration between databases
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write complex sql queries, optimize databases, and model your data
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write complex sql queries, optimize databases, and model your data

Database type:

Centralized database

•

Distributed database

+2 more

Platform:

BigQuery

•

MongoDB

•

PostgreSQL

•

Redshift

Expertise:

Big data

•

Data structure

•

Normalization

•

SQL

My Portfolio

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