Frontend Software Developer A fantastic opportunity for a driven Frontend Software Developer to join fast-growing deep-tech company, who provide hyper-efficient software to general companies across finance, energy, manufacturing and cybersecurity to gain an edge with quantum computing and artificial intelligence.
**This is initially a Fixed Term Contract - Hybrid from Zaragoza**
Required Qualifications:
• 1–4 years of experience building modern web applications using React (or Next.js) and Type Script. • Strong foundation in component-based design, state management (Redux, Zustand, or Recoil), and responsive UI frameworks (Tailwind, Shad CN, or Material UI). • Experience integrating with REST or Graph QL APIs and visualizing data from backend systems. • Solid understanding of frontend performance optimization and user experience design principles. • Experience collaborating with product and design teams to create intuitive, research driven interfaces. • Comfortable working in fast iteration cycles — transforming experimental concepts into robust, usable internal tools.
Bonus Qualifications:
• Experience building analytics dashboards or R&D; workflow UIs (experiment tracking, benchmarking, pipeline monitoring). • Familiarity with LLM tooling (Hugging Face, Lang Chain, Open AI SDKs) or AI productivity interfaces. • Experience with data visualization (Recharts, Plotly, ECharts) and storytelling through data. • Understanding of authentication flows (JWT, OAuth2) and API consumption patterns. • Product sensibility — ability to balance technical feasibility, UX quality, and R&D; needs. • Interest in building the interfaces that bridge ML research and automation infrastructure.
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