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 High ownership, low bureaucracy,



real-world impact Opportunity to help shape a brand-new Barcelona engineering hub Location & setup

Permanent contract Hybrid model: 3 days per week remote Versátil working hours Equity package included (4-year vesting, 1-year cliff) 23 days of paid annual leavePrivate health insurance with Adeslas (family included) €50/month phone & home internet allowance €50/month public transport allowance €60/month gym & wellness allowance €500/year professional development budget Collaboration with distributed teams across Europe and North America If you’re a senior backend engineer who enjoys building secure, scalable systems and wants to be involved early in a new team, this could be a great next step.

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📌 Ruby on Rails Sr. Engineer (Madrid)
🏢 Tamarind Intelligence
📍 Madrid