Full-time

Back End Developer

Posted by JR Spain • Madrid, Comunidad de Madrid, Spain

📍 Madrid, Comunidad de Madrid 🕒 February 21, 2026

About the Role

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Back End Developer (Ruby)

Contract length: 3 months initially (extensions available)

Location: Remote (EU)

Start date: ASAP

A dynamic HealthTech startup is looking for an experienced Back-End Developer (Ruby on Rails) who thrives on building high-quality software and integrating complex systems, to support the application development and maintenance.

Key Responsibilities

  • Design and build robust, maintainable Rails applications.
  • Develop and maintain integrations with third-party platforms (e.g., SSO, SCIM, APIs).
  • Ensure smooth data flow and system interoperability across services.
  • Write clean, well-tested code and participate in thorough code reviews.

Requirements

  • Multiple years of experience as a back-end developer specialized in Ruby on Rails.
  • Experience with SSO via SAML/Active Directory.
  • User lifecycle manag...

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