This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior/Principal Frontend Engineer based in Brazil. We are looking for a highly skilled frontend engineer to help build scalable, high-performance web applications at the intersection of FinTech and AI.In this role, you will contribute to a modern SaaS platform designed to improve financial workflows and revenue operations for global businesses.You will work closely with Product, Design, and Backend teams to create intuitive, reliable, and impactful user experiences.The role offers the opportunity to influence frontend architecture, technical decisions, and engineering best practices.You will be part of an international, remote-first environment that values ownership, collaboration, and continuous improvement.This is an opportunity to work with modern technologies while contributing to AI-powered product innovation.