Eloy Espinaco
Tech Lead at bluelemons
Santa Fe, Argentina
Summary
👤
Senior🎓
Top SchoolEloy Espinaco is a Tech Lead and seasoned Ruby/JavaScript developer with over 15 years of professional experience and a strong track record shipping and maintaining large Rails applications. He specializes in pragmatic TDD, fast feedback loops, and migrating legacy systems to modern Rails (notably from Rails 3 to 6) while improving performance and adding background processing and React front-ends. A natural bug hunter and perfectionist, he favors small, tightly-knit teams with frequent communication and rapid iterations. Eloy contributes to the Ruby ecosystem—having improved RSpec’s composite matchers—reflecting his attention to clean API design and testability. His background as a mathematics teacher and GNU/Linux power user gives him a rare blend of pedagogical clarity and deep tooling fluency from bash to git. Based in Santa Fe, Argentina, he enjoys sharing knowledge and continuously exploring better designs and development practices.
15 years of coding experience
4 years of employment as a software developer
Ingeniería en Sistemas de Información, Information Technology, Ingeniería en Sistemas de Información, Information Technology at Universidad Tecnológica NacionalProfessor, Mathematics, Professor, Mathematics at Universidad Nacional del Litoral
English, French, Spanish
Stackoverflow
3,195reputation
387kreached
63answers
20questions
internationalization
top-5%
unit-testing
top-5%
ruby-on-rails
top-5%
Github Skills (15)
ruby10
rspec10
matcher10
testing10
ruby-on-rails9
software-design9
internationalization9
refactoring9
unit-testing9
json6
html6
npm6
nodejs6
deprecated6
warnings6
Programming languages (21)
Github contributions (5)
rspec/rspec-expectations
Sep 2013 - Dec 2013
Provides a readable API to express expected outcomes of a code example
Role in this project:
Back-end Developer
Back-end DeveloperContributions:12 commits in 2 months
Contributions summary:Eloy focused on enhancing the RSpec expectations library by implementing and refactoring composite matchers, specifically the `or` and `and` functionalities. Their work included adding chaining capabilities, refactoring the codebase for improved design, and fixing styling issues. They contributed significantly to the library's testing suite by adding comprehensive specs for 'or' composition and addressing negative matcher support, aligning with the core functionality of the library.
apiexpressjsreadablejavascriptexpress
rubylit/guevara
Sep 2014 - Aug 2022
Nacha for the masas
Contributions:32 commits, 2 PRs, 5 pushes in 8 years
nachapython
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