Lautaro Castillo
Software Developer at Crisalix
Tallinn, Harju County, Estonia
Summary
👤
Senior🎓
Top SchoolLautaro Castillo is a seasoned Ruby on Rails developer with a decade of experience building and scaling web applications across startups and product teams in Europe and Latin America. He has deep hands-on expertise in Rails (v4–7), background job processing with Sidekiq, Redis, MySQL/Postgres, and AWS deployments, and has moved services from Heroku to EC2 to improve scalability and performance. Currently at Crisalix, he combines API integrations, background processing and performance tuning to deliver reliable systems, and has practical experience with payment gateways and observability tools like New Relic. Based in Tallinn, he pairs a full-stack foundation (front-end JS, Bootstrap, AJAX) with operational skills (SSH, Linux, CI/CD) and a curiosity for gadgets and new tech that drives continuous learning. An uncommon strength is his history of working across both product and ops roles, giving him a pragmatic view of shipping maintainable, production-ready features.
10 years of coding experience
8 years of employment as a software developer
Tecnicatura, Computer Programming, Tecnicatura, Computer Programming at Universidad Tecnológica NacionalFull-Stack Developer, Web/Multimedia Management and Webmaster, Full-Stack Developer, Web/Multimedia Management and Webmaster at Desafio Latam, ChileComputer Science, Computer Science at Universidad Blas Pascal
English, Spanish, Portuguese
Github Skills (48)
sidekiq10
ruby9
mongoid9
jruby9
mruby9
mina8
rad8
opal8
utilities8
coercion8
javascript7
rails7
ruby-on-rails7
ssh7
frontend7
Programming languages (5)
Github contributions (5)
lautarocastillo/weather-station
May 2020 - Jul 2020
Contributions:19 pushes in 1 month
lautarocastillo/Tienda
Feb 2017 - Feb 2017
Contributions:12 pushes, 3 branches in 1 day
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