Paulo Freitas
Software Engineering Consultant at Self-employed
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolPaulo Freitas is a seasoned Software Engineering Consultant based in São Paulo with 20+ years coding experience and 14 years of professional practice delivering backend and full-stack solutions. He specializes in backend development, clean architecture, databases and data engineering, and has hands-on expertise in bots/chatbots and DevOps/infosec practices. An active open-source contributor, Paulo has improved Laravel's database abstractions—adding spatial column/index support and addressing datetime precision and temporary table features—and contributed financial-balance handling to the widely used ccxt crypto trading library. Comfortable across web, desktop and mobile platforms, he combines system administration instincts with pragmatic design-pattern thinking to solve schema and performance challenges. Known for steady, long-term involvement in developer communities (StackExchange since 2009), he brings a mix of craftsmanship and uncommon depth in database schema grammars and cross-driver compatibility.
13 years of coding experience
Bachelor of Technology (BTech), System Analysis and Development, Bachelor of Technology (BTech), System Analysis and Development at Centro Universitário UniMetrocamp
English, Portuguese, Spanish
Stackoverflow
13,419reputation
3.3mreached
117answers
48questions
duplicates
top-5%
php
top-1%
xml
top-5%
laravel
top-1%
python
top-5%
mysql
top-1%
Github Skills (41)
javascript10
apidoc10
mysql10
trading10
laravel-mix10
databases10
typescript10
abstraction10
schema-design10
laravel10
cryptocurrency10
exchange10
php10
api10
sql10
Programming languages (8)
Github contributions (5)
illuminate/database
Apr 2014 - Nov 2017
Role in this project:
Back-end Developer
Back-end DeveloperContributions:22 commits in 3 years 7 months
Contributions summary:Paulo contributed to database schema enhancements and bug fixes within the Illuminate Database component. They added support for spatial columns and indexes for SQL Server, and implemented support for dropping spatial indexes across multiple database drivers. Furthermore, the user addressed issues related to datetime precision and temporary table functionality, demonstrating a focus on database and schema-related aspects. The commits primarily involved code changes within the database schema grammar classes.
splitilluminatemysqllaravel-frameworkphp
laravel/framework
Apr 2014 - Nov 2017
The Laravel Framework.
Role in this project:Back-end Developer
Back-end DeveloperContributions:14 commits, 12 PRs, 79 comments in 3 years 7 months
Contributions summary:Paulo primarily focused on fixing typos and implementing features related to the validation and schema of the Laravel framework. They addressed several code issues, demonstrating a strong understanding of the framework's internal workings. Furthermore, the user added support for spatial columns and indexes across multiple database drivers, enhancing the framework's database abstraction capabilities. They also worked on completing temporary tables support and precision on datetime columns.
laravel-frameworklaravelphpframework
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.