Helio Cola
Software Consultant at TCard.io (https://tcard.io/)
Vienna, Austria
Summary
👤
Senior🎓
Top SchoolHelio Cola is a seasoned software consultant and founder with 11+ years designing and delivering scalable web applications, primarily with Ruby on Rails, React, C/C++ and AWS. He has led engineering teams and served as CTO in startups and edtech, taking projects from conception to production using agile practices and a pragmatic architectural mindset. As a one-person consultancy (TCard.Dev) and founder of TCard.io, he combines hands-on coding with product thinking—turning company assets into new revenue and community engagement opportunities. A frequent conference speaker (FOSDEM, RailsConf, RubyConf Taiwan/Thailand), he is comfortable presenting deep technical topics to diverse audiences. Based in Vienna and fluent across cultures (Brazil/US/Malaysia/Austria), he also channels technical skills into philanthropy-focused ventures that help nonprofits fundraise and engage supporters.
11 years of coding experience
22 years of employment as a software developer
Pontifical Catholic University of Rio de Janeiro
Github Skills (80)
converting10
mvc10
ruby10
activerecord10
ruby-on-rails10
html10
rails10
open-source10
braintree10
react10
rubygems9
sidekiq9
isbn9
sca9
metadata9
Programming languages (6)
Github contributions (5)
heliocola/heliocola.github.io
Jun 2015 - May 2024
GH Page
Contributions:6 PRs, 16 pushes, 11 branches in 9 years 1 month
klxrb/RubyTuesdaysSlides
May 2023 - Nov 2024
Presentation slides during meetups
Contributions:3 reviews, 28 PRs, 31 pushes in 1 year 5 months
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