Rafael Coelho
Professor De Inglês at Instituto Educacional de Itatim
Bahia, Brazil
Summary
👤
Senior🎓
Top SchoolRafael Coelho is a software developer with 11 years of experience specializing in front-end engineering with ReactJS and JavaScript, complemented by solid back-end work in Ruby on Rails. He has a strong focus on test-driven development and scalability, delivering web applications with Jest, React Testing Library and RSpec and maintaining projects with >90% test coverage. Rafael has operated in agile Scrum teams, performed code reviews, managed dependency and security upgrades, and liaised directly with international clients to translate requirements into production features. His background includes research in natural language processing and hands-on defensive security work at a federal university, giving him a rare mix of applied research and security-minded engineering. Currently based in Bahia, Brazil, he’s expanding his toolset with TypeScript, Cypress and CI/CD while balancing freelance development and teaching English—an unusual combination that strengthens his communication skills in multicultural environments.
12 years of coding experience
3 years of employment as a software developer
Sistemas de informação, COMPUTER AND INFORMATION SCIENCES AND SUPPORT SERVICES, Sistemas de informação, COMPUTER AND INFORMATION SCIENCES AND SUPPORT SERVICES at Universidade Federal da Bahia
Portuguese, English
Github Skills (7)
rails-api7
parser7
cpp5
css3
ruby-on-rails3
nas2
java1
Programming languages (3)
Github contributions (5)
rllcoelho/matb16
Nov 2018 - Jun 2019
MATB16 - Laboratório de Inteligência Artificial
Contributions:6 PRs, 17 pushes, 5 branches in 7 months
deep-learningartificialmachine-learningrioartificial-intelligence
rllcoelho/reunion-app
Nov 2025 - Feb 2026
Contributions:4 reviews, 4 pushes, 2 branches in 3 months
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