Frontend Developer

Athlera; España; A distancia; EUR 40.000 - 60.000; Jornada completa

Descripción de la vacante

A leading tech company in Spain is seeking a Frontend Developer to enhance its AI-driven platform with responsive and intuitive user interfaces. You will collaborate closely with backend and AI engineers to deliver a seamless user experience, utilizing modern frameworks such as React with TypeScript. The role offers flexible working arrangements and the opportunity to influence a platform that impacts sports, health, and rehabilitation.

Servicios

Flexible working setup (remote or hybrid)

Leading role in shaping UI design

International team environment with real-world impact

Formación

• Strong experience with modern JavaScript frameworks (preferably React with TypeScript).
• Proficiency in HTML, CSS, and building responsive layouts.
• Experience working with APIs (REST, GraphQL) and state management.
• Understanding usability, accessibility, and performance optimization.
• Familiarity with Git workflows and agile development.

Responsabilidades

• Design and implement frontend components, views, and interfaces.
• Collaborate with designers and product leads to build clean, accessible UIs.
• Integrate data and AI outputs into interactive visualizations.
• Ensure consistency and performance across devices and browsers.
• Work closely with backend developers to define API contracts.

Conocimientos

Modern JavaScript frameworks (preferably React with TypeScript)

HTML

CSS

APIs (REST, GraphQL)

State management (e.g., Redux, Zustand)

Usability and accessibility

Performance optimization

Git workflows

Agile development

Good communication skills

Herramientas

D3.js

Recharts

Descripción del empleo

We are hiring a Frontend Developer to bring the Athlera platform to life through clear, responsive, and intuitive user interfaces. Our product is driven by AI, but users need to interact with it through clean dashboards, analytics tools, and dynamic visual elements related to health, training, and movement. You’ll be responsible for developing and optimizing the frontend architecture of our web-based platform and working closely with backend and AI engineers to deliver a seamless, user-friendly experience for our partners and clients. Responsibilities Design and implement frontend components, views, and interfaces using modern frameworks Collaborate with designers and product leads to build clean, accessible, and intuitive UIs Integrate data and AI outputs into interactive visualizations and dashboards Ensure consistency, responsiveness, and performance across devices and browsers Work closely with backend developers to define API contracts and data models Participate in architectural discussions and continuously improve the UI codebase Write clean, testable, and maintainable code following best practices Qualifications Strong experience with modern JavaScript frameworks (preferably React with TypeScript) Proficiency in HTML, CSS, and building responsive layouts Experience working with APIs (REST, GraphQL) and state management (e.G., Redux, Zustand) Understanding of usability, accessibility, and performance optimization Familiarity with Git workflows, version control, and agile development Good communication skills and ability to work in cross-functional teams Bonus :

Experience with data visualization, charting libraries (e.G., D3.Js, Recharts, or similar) Bonus :

Experience in health tech, training platforms, or AI-based applications What we offer A leading role in shaping how users interact with a unique AI-driven product Flexible working setup (remote or hybrid) A focused, respectful and product-driven international team The chance to work on a platform used by real people with real-world impact in sports, health and rehabilitation How to apply Send your application via LinkedIn or directly to We’re reviewing applications continuously and are excited to meet frontend developers who care about both detail and usability.