Breno Gazzola
Co-Founder & CTO at Simbios
São Paulo, Brazil
Summary
🤩
Rockstar🎓
Top SchoolBreno Gazzola is a seasoned software leader and co-founder currently serving as CTO, with over a decade building large-scale web, enterprise and mobile systems across telecom, finance and power distribution. He combines hands-on architecture and coding with product delivery experience for life-critical and high-sensitivity systems—work that included eliminating safety-critical faults in electrical grid software and modernizing municipal tax platforms that handled billions in revenue. A pragmatic engineer and team builder, he has led multidisciplinary, distributed teams and trained new developers in secure, auditable development practices. Breno is also an active open-source contributor in the Ruby on Rails ecosystem, notably adding media analyzers and libvips support to Active Storage and improving Rails’ asset pipeline via Propshaft. Based in São Paulo, he pairs an MBA in Finance with a computer science background, which helps him navigate technical trade-offs with business impact in mind. Colleagues know him for shipping dependable, performance-minded solutions that bridge legacy systems and modern cloud-native stacks.
11 years of coding experience
15 years of employment as a software developer
MBA, Finance, MBA, Finance at IbmecBachelor's degree, Computer Science, Bachelor's degree, Computer Science at PUC Minas
English
Stackoverflow
2,142reputation
101kreached
35answers
16questions
Github Skills (27)
ruby-rails10
css10
storage10
rails10
ffmpeg10
ruby10
asset-pipeline10
testing9
caching9
performance-optimization9
imagemagick9
file-management8
html6
ruby-on-rails6
xcode6
Programming languages (7)
Github contributions (5)
rails/propshaft
Sep 2021 - Dec 2022
Deliver assets for Rails
Role in this project:
Back-end Developer
Back-end DeveloperContributions:26 reviews, 29 commits, 71 PRs in 1 year 3 months
Contributions summary:Breno contributed to the `propshaft` project, which delivers assets for Rails applications. Their work focused on improving the asset pipeline's functionality and efficiency. Key contributions include optimizing the CSS asset URL compiler, adding a task for cleaning assets, implementing support for pre-digested files, and improving the performance of the load path cache. They also fixed a bug related to double forward slashes, and extended the support to esbuilds' base32 digests.
rails
rails/rails
Jun 2021 - Mar 2022
Ruby on Rails
Role in this project:Backend Developer
Backend DeveloperContributions:51 reviews, 14 commits, 34 PRs in 9 months
Contributions summary:Breno primarily contributed to the Active Storage component of the Ruby on Rails framework. Their work included adding audio and video analyzers to extract metadata such as duration, audio presence, and video presence. They also added support for the libvips image processing library as an alternative to ImageMagick. Finally, they updated the configuration to make vips the default variant processor for new applications.
ruby-on-railsrailsmvcactiverecordactivejob
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.