Fullstack Engineer - Fixed Term Contract / Quantum and AI

Fullstack Engineer - Fixed Term Contract / Quantum and AI

We’re hiring a number of Fullstack Engineers to help build internal tools and interfaces that support state of the art AI and quantum inspired technologies. This team develops systems that enable extreme compression of large language models, reducing size by up to 95 percent and cutting inference costs by as much as 80 percent.

Their work is reshaping how AI is deployed across industries by making it faster, more efficient, and more accessible.

This is a fixed term contract on a hybrid model based in Zaragoza. The initial term runs until mid 2026 with the potential for extension. You’ll receive a competitive package including signing and retention bonuses (plus relocation assistance if needed)

In this role you will :

Build fullstack applications that bring research workflows to life

Develop dashboards, automation tools, and data rich interfaces

Work across React or Next.js and TypeScript on the frontend and Python on the backend

Shape APIs, data models, and integration patterns

Collaborate with researchers, product managers, and engineers to translate experimentation into polished tools

Contribute to cloud deployment, CI or CD, and containerized development

What you’ll need :

Two to five years experience across frontend and backend development

Proficiency with React or Next.js, TypeScript, and Python frameworks such as FastAPI or Django

Experience with SQL databases, Docker, and cloud based deployments

Strong understanding of API design and frontend to backend integration

Experience building internal dashboards or workflow tools

A product focused mindset with the ability to simplify complex R&D processes

Familiarity with LLM or MLOps tooling is a plus

Experience with data visualization or workflow orchestration is welcome

If you enjoy turning exploratory research ideas into intuitive production tools, we’d be happy to speak with you.

In accordance with local employment laws, applicants must have current, valid authorisation to work in Spain at the time of application. We are unable to sponsor employment visas for this role. Applications from individuals without existing work authorisation for Spain cannot be considered.

If this sounds interesting and you'd like to learn more, click the link below to apply or email me with a copy of your CV on smouland@eu-recruit.com

By applying to this role you understand that we may collect your personal data and store and process it on our systems. For more information please see our Privacy Notice (https : / / eu-recruit.com / about-us / privacy-notice / )