Desarrollador / A Backend Y Frontend

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 ideal 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.

Build modern, scalable web applications using

React or Next.js with TypeScript

, ensuring clean architecture and maintainable components.

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

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.), Solid experience integrating APIs and handling frontend data workflows.

~ 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