This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Desenvolvedor Front React - Senior based in Brazil. This role is designed for a senior frontend engineer who will contribute to building scalable, high-performance digital experiences used by millions of users.You will work closely with product, design, and data teams to create intuitive solutions focused on usability, accessibility, and performance.The position involves developing modern React applications, designing reusable components, and improving existing platforms through clean and efficient code.You will participate in technical discussions, code reviews, and architectural decisions that influence the evolution of frontend solutions.The role offers the opportunity to work with advanced frontend technologies, micro-frontends, design systems, and modern development practices.You will be part of a collaborative environment that values innovation, technical excellence, and continuous improvement.