Frontend Engineer – React

Overview

We’re looking for a Frontend Engineer with strong React skills to help us build, maintain, and improve responsive, user-friendly interfaces. You’ll join a collaborative, product-led team where clean code, thoughtful architecture, and user experience are at the heart of everything we do.

This is a hybrid role requiring 3 days per week in our Barcelona office.

Your First 90 Days

• 30 days – Get familiar with our frontend stack, tools, and design systems. Understand team workflows, product goals, and development practices.
• 60 days – Start contributing to key product features. Write clean, modular, and testable code using React (hooks, functional components, state management). Collaborate closely with designers and backend engineers.
• 90 days – Take ownership of feature delivery from planning to release. Participate in code reviews, technical discussions, and help shape our frontend architecture and component libraries.

What You’ll Do

Meet the Team

You’ll report to an Engineering Team Lead and work alongside designers, backend engineers, and product managers. Our team is cross-functional, agile, and highly collaborative, with a strong focus on user-centred design and maintainable code.

How Success Will Be Measured

Skills You’ll Gain

Snapshot of Your Day-to-Day

You’ll build and refine React components, translate Figma designs into code, and collaborate with designers and backend engineers to deliver end-to-end features. You’ll also contribute to component libraries, participate in reviews, and help shape our frontend architecture.

Qualifications

Tech Stack You’ll Work With

At Sage, we offer you an environment where you can grow professionally without compromising your personal well-being. Our benefits package is designed to provide stability, flexibility, and balance :

Health and Safety Responsibilities

Seniority level

Employment type

Job function

Health and safety, benefits, and other statements are included to reflect the organization’s policies. This posting includes standard EEO information and is not intended to discriminate.

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