We are seeking a Frontend Engineer to contribute to the development of advanced interfaces that support cutting-edge AI and data-driven workflows.
This role is adecuado for someone who enjoys transforming complex technical ideas into clean, efficient, and intuitive user experiences. You’ll be working in a fast-paced environment alongside product specialists, designers, and researchers who rely on your work to visualize and interact with sophisticated backend systems.
What You’ll Do
- Build modern, scalable web applications using React or Next.Js with TypeScript, ensuring clean architecture and maintainable components.
- Collaborate closely with product and research teams to design UI flows that simplify complex processes and experimental insights.
- Integrate and consume APIs (REST or GraphQL), ensuring efficient data handling and high-quality rendering of dynamic information.
- Translate early-stage technical concepts into polished internal tools through quick iteration and user feedback.
- Focus on performance optimization, usability, and accessibility to deliver seamless user experiences.
- Work with backend engineers on features powered by Python-based services and cloud-native infrastructure.
- Contribute to deployment workflows supporting AWS and cloud environments.
Required Qualifications
- 1–4 years of professional experience building web applications with React or Next.Js + TypeScript.
- Working knowledge of Python, especially for collaborating on backend features or understanding service interactions.
- Understanding of cloud platforms (preferably AWS) and modern development environments.
- Strong experience with component-driven UI development, state management (Redux, Recoil, Zustand, etc.), and responsive design systems.
- Solid experience integrating APIs and handling frontend data workflows.
- Ability to operate in rapid development cycles, converting prototypes and research concepts into robust tools.
- Strong communication and team-collaboration skills.
Nice to Have
- Experience creating dashboards, analytics interfaces, or tools for technical or research-oriented users.
- Familiarity with LLM or AI tool ecosystems (Hugging Face, OpenAI, LangChain, etc.).
- Knowledge of data-visualization frameworks (ECharts, Plotly, Recharts, etc.).
- Understanding of authentication and secure frontend application patterns (OAuth2, JWT).
- Interest in building tools that support machine-learning, AI, or automation workflows.
Contract Details
- Fixed-term contract
- Based in Zaragoza, with 3 days per week onsite
If this opportunity motivates you or fits your experience, apply now or email.