Web Frontend Engineer - JS, CSS, React, Flutter

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Web Frontend Engineer - JS, CSS, React, Flutter based in Brazil. Join a globally distributed engineering environment focused on building reliable, data-rich, and accessible digital experiences.You will develop high-quality web and UI solutions using modern technologies including JavaScript, TypeScript, React, CSS, and Flutter.Your work will directly shape the interfaces users rely on across enterprise products and services.You will contribute to open-source frontend frameworks and shared tooling designed to deliver consistent, performant experiences.The role combines hands-on software development with architectural thinking, technical collaboration, and user-focused design.You will have opportunities to influence engineering practices, contribute to the wider open-source community, and operate software at scale.This is an ideal opportunity for a technically strong engineer who values innovation, performance, accessibility, and continuous learning.