ReactJS Front-End Developer | Mid/Senior

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a ReactJS Front-End Developer | Mid/Senior based in Brazil. This is an opportunity to build scalable, high-quality web applications in a fully remote and technology-driven environment. You will be responsible for translating UX/UI designs and product requirements into intuitive, performant front-end experiences. The role combines hands-on React development with modern engineering practices and scalable front-end architecture. You will work with technologies such as ReactJS, TypeScript, JavaScript, Micro-Frontends, and Module Federation. Your work will directly contribute to application performance, code quality, maintainability, and overall user experience. You will collaborate with technical and design teams while following established engineering standards and delivery practices. This role is well suited to a developer who enjoys solving complex front-end challenges and continuously improving digital products. Develop the visual and interactive layers of web applications based on functional requirements and UX/UI specifications. Build clean, maintainable, scalable, and high-quality code following established engineering standards. Translate designs and requirements into responsive and intuitive user experiences. Continuously identify opportunities to improve usability, accessibility, and overall user experience. Apply front-end architecture principles, including Micro-Frontends and Module Federation, to support scalable applications. Integrate front-end applications with REST APIs and ensure reliable data flows between systems. Write and maintain automated tests to help ensure the quality and stability of delivered features. Identify and resolve performance bottlenecks, optimizing applications for speed, responsiveness, and scalability. Use version control and established development practices to maintain code quality and support effective collaboration. Contribute to continuous improvements in front-end development standards, processes, and technical practices. Requirements Proven experience developing scalable web applications with ReactJS, at a Mid or Senior level. Strong knowledge of TypeScript and modern JavaScript, including ES6+ features. Solid experience with HTML5 and CSS3 and modern front-end development practices. Experience with Webpack and modern application bundling concepts. Practical experience with Micro-Frontend architecture and Module Federation. Experience consuming and integrating REST APIs. Knowledge of automated front-end testing using Jest. Strong experience with Git and collaborative version-control workflows. Good understanding of software engineering best practices, including clean code, maintainability, scalability, and testing. Demonstrated experience optimizing front-end application performance. Strong problem-solving and analytical abilities, with attention to code quality and technical details. Ability to collaborate effectively with UX/UI and other technical stakeholders in a remote environment. Proactive mindset and willingness to continuously learn and improve technical solutions. Benefits Fully remote work model. Opportunity to work on digital products and scalable technology solutions. Exposure to modern front-end architectures and technologies. Professional development and continuous learning opportunities. Collaborative environment with multidisciplinary technology and product teams. Opportunity to work with cutting-edge technologies, including AI and modern digital platforms. Career growth opportunities within a technology-focused environment. Inclusive workplace committed to welcoming qualified professionals, including people with disabilities. How Jobgether works: We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates,