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
- Adaptable 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.

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