Senior Frontend Engineer (Islas Baleares)

Company Overview

UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work, with over 35,000 employees worldwide across more than 35 countries. We lead in digital technology services and provide large‑scale technological solutions to big companies.

Position

Senior Frontend Engineer for a key client, focusing on modern frameworks such as React, Vue, or Angular.

Responsibilities

• Lead the development of Progressive Web Applications (PWAs) for complex digital environments.
• Design and architect scalable, high‑performance PWA solutions for eCommerce platforms.
• Implement advanced Service Worker strategies, including intelligent caching, offline capabilities, and performance optimization.
• Develop responsive, mobile‑first user interfaces using modern frameworks such as React, Angular, or Vue.js.
• Integrate PWA frontends with backend APIs and enterprise platform...