Full Stack Developer (remote or hybrid)

Full-Stack Engineer - Quantum / AI - (Fixed-term contract) - based in Zaragoza, Spain We are recruiting for a fast-growing European deep-tech company working at the cutting edge of quantum technologies and AI. 2-5 years of experience working across both frontend and backend development. ~ Strong proficiency with React/Next.js and TypeScript, plus backend experience with Python (FastAPI/Django). ~ Hands-on experience building data-intensive dashboards, experiment-tracking interfaces, or internal automation tools. ~ Solid understanding of API design, data modeling, and seamless frontend-backend integration. ~ Experience working with SQL databases, Docker, and CI/CD pipelines. ~ Familiarity with cloud deployment, ideally AWS. ~ Experience with data visualization libraries (Plotly, Recharts, D3.js). Understanding of workflow orchestration or background-job systems (Celery, Argo, Flyte). Passion for transforming automation ideas and ML research insights into polished internal products. Complete our Compensation and Benefits in Niche Tech Industries Survey here: By applying to this role you understand that we may collect your personal data and store and process it on our systems.