Eduard Castelló
CTO & Partner at rzilient - Gestion de parc IT
Barcelona, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolEduard Castelló is a pragmatic CTO and partner with 10+ years building and scaling cloud-native platforms, currently leading rzilient to profitability by architecting an AI- and telemetry-driven IT asset management platform that supports 300+ enterprise clients and 10,000+ devices. He blends hands-on engineering in Go, Ruby, TypeScript and C++ with strong DevOps and SRE practices, cutting infrastructure costs 50% through containerization and automated CI/CD. A former engineering manager and agile coach, he excels at turning teams into high-performing units using TDD, XP and measurable health metrics. He also designs practical AI integrations—creating a custom Model Context Protocol to safely surface enterprise data to LLM-driven agents. Based in Barcelona, he’s equally at home mentoring engineers, shipping critical systems, and surfing when offline.
10 years of coding experience
15 years of employment as a software developer
Associate/Foundation Degree Computer Science, Associate/Foundation Degree Computer Science at Universitat de LleidaUOC (Universitat Oberta de Catalunya)
English, Spanish, Catalan
Stackoverflow
1reputation
0reached
1answer
0questions
Github Skills (68)
sidekiq10
jruby9
downtime9
ruby9
jira-rest-api9
tenancy8
rails-app8
surf8
docker-compose7
ruby-on-rails7
rest7
api7
rails-api7
rails7
docker7
Programming languages (4)
Github contributions (5)
eddygarcas/eddygarcas
Apr 2021 - Mar 2025
Contributions:70 pushes, 1 branch in 3 years 11 months
eddygarcas/finest-builder
Apr 2021 - Mar 2025
Contributions:21 pushes, 1 branch in 3 years 10 months
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