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# Senior Ruby On Rails Backend Engineer - Build Scalable Apps

- **Company:** Titan OS
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Databases, DevOps, Ruby on Rails, Backend, Front End Software Development
- **Published:** August 15, 2026
- **Apply:** https://www.buscojobs.com.es/senior-ruby-on-rails-backend-engineer-build-scalable-apps-en-madrid-ID-367395019

## About the Role

You will collaborate with frontend, DevOps, and product teams; ensure secure, reliable performance; and drive architecture decisions across services.
Fluent English and a strong background in databases and cloud are essential.
#J-*****-Ljbffr

## Description

Titan OS, a Barcelona-based technology company, is seeking a Senior Backend Engineer (Ruby on Rails) to design, develop, and maintain scalable backend systems powering our products.You will collaborate with frontend, DevOps, and product teams; ensure secure, reliable performance; and drive architecture decisions across services.Fluent English and a strong background in databases and cloud are essential.#J-*****-Ljbffr


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