Ryan Castillo
Co-Founder at Knowatoa
Virginia Beach, Virginia, United States
Summary
👤
Senior🎓
Top SchoolRyan Castillo is a seasoned developer-turned-founder with 15 years of experience building Ruby/Rails applications, product strategy, and data-driven marketing for startups and Fortune 500 clients. As co-founder of Knowatoa and Wafris he blends hands-on engineering with pricing, go-to-market execution, and AI-focused product strategy—creating frameworks like B.I.S.C.U.I.T. to improve how models represent companies. He’s shipped regulated lab systems, led analytics and marketing data initiatives at Varonis, and guided teams through Shape Up product development and Hotwire feature delivery. Based in Virginia Beach, he pairs technical depth in web stacks (Rails, NextJS, Laravel, Caddy) with practical coaching and self-publishing experience, making him as comfortable mentoring founders as he is shipping code.
15 years of coding experience
11 years of employment as a software developer
Master of Science Bioinformatics, Master of Science Bioinformatics at Virginia Commonwealth University
Github Skills (47)
waf9
javascript9
python9
zsh9
jekyll9
cli9
web-development9
shell9
docker8
php8
rails8
firewall8
security8
cli-app8
asdf8
Programming languages (8)
Github contributions (5)
rmcastil/dotfiles
Mar 2013 - Feb 2022
@rmcastil dotfiles
Contributions:152 commits, 2 PRs, 26 pushes in 9 years
dotfileslinuxasdf
Wafris/wafris-rb
Jun 2023 - Dec 2024
Wafris Client for Rails and Rack applications
Contributions:57 PRs, 93 pushes, 13 branches in 1 year 5 months
railsfirewallsecuritywaf
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