Kelvin Firmino
Senior Lead Software Engineer at Brillion
Old Toronto, Ontario, Canada
Summary
👤
Senior🎓
Top SchoolKelvin Firmino is a Senior Lead Software Engineer with 11 years of experience building web applications and APIs across sectors including fintech, healthcare, media, sports, and artist management. Skilled in Ruby on Rails, PHP, JavaScript, MySQL/PostgreSQL and CI with Git, he has led teams and shipped production systems from government hospital portals to prepaid fintech platforms and sports-data APIs. He combines full-stack craftsmanship—from HTML/CSS front ends to database and queue-driven back ends (Sidekiq, RabbitMQ)—with a strong testing culture using RSpec and Capybara. Now based in Toronto, he pairs hands-on development with team mentoring and process improvements gained from Scrum and Jira workflows. Known for learning quickly and iterating on both code and workflow, he’s focused on growing into a broad full-stack technical leader who turns business rules into reliable, maintainable software.
11 years of coding experience
11 years of employment as a software developer
Analysis and System Development, Analysis and System Development at Faculdade de Tecnologia de São Paulo
Portuguese, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (29)
validate8
mruby8
form-validation8
aws8
validation8
rvm8
validations7
forms7
terraform7
vue-datepicker7
rubinius7
npm-package7
vue7
truffleruby7
vue3-composition-api7
Programming languages (7)
Github contributions (5)
kelvinmatheus/sistema-controle-contas-api
Dec 2016 - Dec 2016
Contributions:24 commits, 1 branch, 1 tag in 9 days
kelvinmatheus/account-control-system-api
Jan 2018 - Mar 2018
Contributions:14 PRs, 19 pushes, 7 branches in 1 month
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