Paulo Ribeiro
Co-Founder & CTO at 4SHARK
São Paulo, Brazil
Summary
🤩
Rockstar🎓
Top SchoolPaulo Ribeiro is a seasoned software leader and Co-Founder & CTO of 4Shark, with 14 years of experience building scalable SaaS solutions and over seven years leading the company’s technical vision. He specializes in Ruby engineering, software quality, and project management, and has a proven track record delivering production systems with thousands of active users. Paulo pairs practical expertise in SQL/NoSQL auto-scaling with hands-on backend work—his open-source contributions to the influential fog and fog-aws Ruby libraries improved AWS and XenServer integrations and code maintainability. Based in São Paulo, he has advanced from web developer roles to senior engineering and board-level experience, bringing both executional rigor and strategic product thinking. He’s passionate about open source and often focuses on refactoring and architectural cleanups that reduce dependencies and simplify long-term maintenance.
14 years of coding experience
4 years of employment as a software developer
Bachelor's degree Computer Science, Bachelor's degree Computer Science at Universidade Federal de Itajubá
Portuguese, English
Stackoverflow
1,025reputation
292kreached
55answers
0questions
Github Skills (21)
xserver10
cloud-computing10
api-design10
ruby10
aws10
refactoring10
fog10
xen10
model-driven9
testing9
apidoc9
api9
modeling9
model-driven-development9
model-building9
Programming languages (2)
Github contributions (5)
fog/fog-aws
Mar 2015 - Sep 2017
Module for the 'fog' gem to support Amazon Web Services http://aws.amazon.com/
Role in this project:
Back-end Developer
Back-end DeveloperContributions:11 commits, 9 PRs, 4 pushes in 2 years 6 months
Contributions summary:Paulo primarily focused on refactoring and improving the `fog-aws` gem, which provides AWS support for the `fog` gem. Their contributions included removing unnecessary dependencies, moving requires to autoload, and extracting a `ServiceMapper`. They also fixed and refactored existing code and tests to improve overall code quality and maintainability. The changes involved modifications to the core AWS module and the `ServiceMapper` class to improve the gem's internal structure.
test-kitchenamazonfoghttp-servicesweb-services
fog/fog
Dec 2013 - Sep 2018
The Ruby cloud services library.
Role in this project:Back-end Developer
Back-end DeveloperContributions:122 commits, 116 PRs, 79 pushes in 4 years 10 months
Contributions summary:Paulo's contributions primarily focused on enhancing the `fog/fog` library, specifically concerning the XenServer cloud service provider. They added functionality for request timeouts in the XenServer compute module and made updates to the XenServer models, aligning them with version 6.2.0 attributes. Furthermore, the user introduced and expanded upon XenServer models, suggesting a strong focus on improving the library's support for the XenServer platform.
cloud-servicesrubygemstest-kitchenfogruby
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