Data Engineer passionate about AI, space and well-crafted systems.

Here I share what I learn at the intersection of data engineering, artificial intelligence and the financial universe.

Comparison of Database Query Methods: Performance Analysis using SQLAlchemy

July 27, 2023

The post discusses a study comparing four database query methods using SQLAlchemy. The best performance is achieved with the third method, which executes raw SQL and converts results into a dictionary.

Work

Company
Itaú Unibanco
Role
Senior Data Engineer
Date
Jan 2026 Present
Company
Itaú Unibanco
Role
Senior Full Stack Developer
Date
Jul 2025 Jan 2026
Company
Itaú Unibanco
Role
Full Stack Developer
Date
Set 2022 Jul 2025
Company
Itaú Unibanco
Role
Junior Python Backend Developer
Date
Nov 2021 Mar 2023
Company
Santander Brasil
Role
Python Data Engineer
Date
Out 2020 Out 2021
Company
Santander Brasil
Role
Junior Data Analyst
Date
Nov 2019 Out 2020
Company
Santander Brasil
Role
Data Analysis Intern
Date
Out 2018 Out 2019
Company
Santander Brasil
Role
Python Automation Apprentice
Date
Mai 2017 Out 2018