Job Description

Q-tech is collaborating with a fast‑growing international SaaS company that is opening a new engineering hub in Barcelona and is looking for a Senior Software Engineer.

This is a backend-focused role with high ownership and real impact, working on Identity & Access Management, APIs and integrations for a platform used by some of the most demanding customers in the private capital space.

What you’ll work on
  • End-to-end ownership of backend initiatives
  • High‑performance APIs, integrations and access control systems
  • Security, permissions and data privacy at scale
  • Close collaboration with Product & Design in small, autonomous teams
Tech stack

Ruby on Rails · PostgreSQL · Redis · AWS · Kubernetes (Some TypeScript & React exposure, but backend is the core focus)

The team
  • ~65 engineers globally, distributed across North America
  • Strong product‑driven engineering culture ...

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