Frontend Developer (React/Next.js + Typescript) - Hybrid from Zaragoza A fantastic opportunity for a driven Frontend Software Developer to join a fast‑growing deep‑tech company that provides hyper‑efficient software to general companies across finance, energy, manufacturing, and cybersecurity using 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 TypeScript.
Strong foundation in component‑based design, state management (Redux, Zustand, or Recoil), and responsive UI frameworks (Tailwind, ShadCN, or Material UI).
Experience integrating with REST or GraphQL 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, LangChain, OpenAI 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 interfaces that bridge ML research and automation infrastructure.
Seniority level Mid‑Senior level
Employment type Temporary
Job function Design and Engineering
Industries Software Development, IT System Custom Software Development, IT System Data Services
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