Roberto Miranda
Principal Engineer at Cookpad
United Kingdom
Summary
👤
Senior🎓
Top SchoolRoberto Miranda is a Principal Engineer with 15 years of web development experience, specializing in Ruby and Rails since 2008 and 2010 respectively, and currently driving architecture and delivery at Cookpad in the UK. He combines hands-on backend engineering with team formation and mentoring, having coached Rails Girls Summer of Code and taught university courses in algorithms and software design. A proven open-source contributor, Roberto has made meaningful improvements to the core Rails framework (including image_tag srcset support and datetime precision fixes) and enhanced the widely used counter_culture gem for robust batch processing. He is comfortable across databases and backend services (Postgres, MySQL, MongoDB, Redis, S3) and emphasizes test-driven development and code quality. Colleagues know him as a pragmatic problem-solver who prefers practical, incremental improvements that scale in multi-worker production environments.
15 years of coding experience
11 years of employment as a software developer
Bachelor Computer Sciences, Bachelor Computer Sciences at Universidad del Norte
Github Skills (19)
database-migrations10
ruby-rails10
testing10
rails10
ruby10
activerecord10
database-migration10
rubygems9
application-framework9
app-framework9
databases9
gemfile9
gemspec9
database9
web-framework9
Programming languages (10)
Github contributions (5)
rails/rails
Feb 2013 - Jul 2021
Ruby on Rails
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 reviews, 26 commits, 32 PRs in 8 years 6 months
Contributions summary:Roberto contributed to the Ruby on Rails framework by implementing new features and fixing existing ones. Their work involved adding the `srcset` option to the `image_tag` helper, enhancing asset handling capabilities. Additionally, they added and updated test cases for rake tasks related to database preparation and foreign key management. Further contributions included improving the framework's datetime precision settings and fixing compatibility issues.
ruby-on-railsrailsframeworkrubymvc
magnusvk/counter_culture
Apr 2020 - Jul 2020
Role in this project:Back-end Developer
Back-end DeveloperContributions:10 commits, 3 PRs, 1 comment in 3 months
Contributions summary:Roberto focused on enhancing the core functionality of the `counter_culture` gem. They implemented features to support batch processing with start and finish limits, allowing for more granular control over counter updates, especially beneficial in multi-worker scenarios. The user also added comprehensive test cases to ensure the correctness and reliability of the gem, including tests for the new batch limit functionality. They also made minor improvements by removing unused variables and adding logging for batch processing steps.
rails-appcounter-cacherailsturboruby
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