Alexandre Calvão
Senior Ruby On Rails (RoR) Developer at TopTal
Rio de Janeiro, Brazil
Summary
👤
Senior🎓
Top SchoolAlexandre Calvão is a senior Ruby on Rails developer based in Rio de Janeiro with 11 years of professional experience and nine years focused on commercial RoR delivery. He designs, tests and deploys high-performance web and mobile applications for global clients—particularly Silicon Valley tech companies—while providing hands-on technical leadership, code reviews and mentoring for distributed teams. Comfortable across the full stack, his toolkit spans Ruby, Rails, Ionic, CoffeeScript, RSpec and JavaScript, and he routinely integrates front- and back-end elements to maximise performance and responsiveness. Alexandre has a background in computer science and Java (SCJP/SCWCD), bringing strong systems-analysis skills from earlier roles in public-sector and enterprise projects. He’s experienced in client consulting and training, having led deployments and maintained long-term stakeholder relationships for products used in security, construction and healthcare. Notably, he combines enterprise discipline with a startup consulting mindset, delivering production-grade Rails apps both remotely and onsite.
11 years of coding experience
Bachelor's degree, Bachelor of Computer Science, Bachelor's degree, Bachelor of Computer Science at Universidade Federal Fluminense
Spanish, English, Portuguese
Stackoverflow
16reputation
684reached
3answers
0questions
Github Skills (72)
qbwc10
command-pattern10
service-object10
activemodel10
ruby9
business-logic9
filepath9
html8
angular8
firefox8
javascript8
rspec8
interpreter8
testing8
toolchain8
Programming languages (10)
Github contributions (5)
labelle-toolkit/labelle-gui
Dec 2025 - Jul 2026
Contributions:1 release, 2 reviews, 18 PRs in 6 months
apotema/qbwc_requests
Oct 2014 - Jan 2022
A ruby gem to assist on the creation of Qbwc requests
Contributions:68 commits, 12 PRs, 51 pushes in 7 years 3 months
qbwcruby
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