• Lead React.js development to build robust, scalable user interfaces and optimize performance. Focus on managing large datasets efficiently, ensuring seamless user experience across applications.• Spearheaded the migration from EKS to S3 and CloudFront, significantly improving application responsiveness and lowering latency.• Integrated Sentry for advanced application monitoring, enabling better visibility into performance issues and user behavior.• Modernized legacy systems by adopting microfrontends and migrating critical projects to Vite, boosting performance through tree-shaking and lazy loading.• Strong advocate for Test-Driven Development (TDD), leading efforts to integrate E2E testing across the monorepo and setting high testing standards across teams.Collaborate with cross-functional teams globally to align development strategies and deliver consistent, high-quality solutions.• Mentor junior developers, fostering a culture of quality and ensuring the adoption of best practices in performance optimization and testing.• Drive continuous improvement through CI/CD pipelines, ensuring the codebase remains maintainable and up-to-date with the latest technologies.

• Developed and maintained React microfrontends for large-scale e-commerce platforms using JavaScript and TypeScript, including key components like Checkout and My Account.• Worked on a white-label e-commerce platform serving multiple brands (e.g., Boticário, Quem Disse Berenice, Eudora, Beauty Na Web) with custom configurations and themes.• Architected and led the development of a CMS page builder from scratch using Next.js, streamlining content creation and enhancing flexibility across the platform.• Ensured scalability and maintainability by applying clean code practices, design patterns, and creating both technical and end-user documentation.• Integrated Jenkins into the CI/CD pipeline to automate workflows and improve deployment efficiency.Implemented comprehensive testing frameworks, including unit, integration, and E2E tests using Cypress and React Testing Library to guarantee high code quality.• Collaborated on load testing and performance testing to ensure platform stability and reliability under high traffic conditions.• Enhanced key metrics such as SEO, performance, and accessibility by focusing on best practices and modern web optimization techniques.• Mentored junior developers, providing technical support and guidance to improve their skills in JavaScript, React, and TypeScript.• Played a key role in CI/CD implementation and performance optimization, ensuring continuous integration with a focus on quality and efficiency.

• Contributed to the frontend development of two major digital platforms in Latin America: Cifra Club (the largest music education site in the region) and PalcoMP3, a popular music streaming platform.• Designed and implemented new features using React, TypeScript, and JavaScript, enhancing usability and aligning with modern frontend architecture best practices.• Led the development of a React-based Progressive Web App (PWA) to replace a performance-limited mobile web application, significantly improving user experience and responsiveness.• Utilized a range of technologies, including GraphQL, Webpack, Node.js, jQuery, PHP, HTML5, SCSS, CSS, to build scalable and maintainable solutions.• Integrated WebRTC to enable seamless live and on-demand streaming, enhancing platform engagement and user interaction.• Established End-to-End (E2E) testing practices using Cypress and Testing Library, fostering a culture of quality assurance and ensuring system reliability.• Implemented unit and integration tests with Jest and Enzyme to maintain code quality and detect issues early in the development lifecycle.• Worked on SEO and performance optimization, improving web vitals and delivering a faster, more accessible platform.• Pioneered E2E testing frameworks in the company, setting new standards for development efficiency and product quality.• Collaborated with cross-functional teams to continuously adopt cutting-edge technologies and introduce new solutions that align with modern frontend trends.

• Played a key role in developing Dito Agenda, a Progressive Web App (PWA) designed to enhance client sales by providing a seamless and engaging user experience.• Managed the entire frontend development lifecycle, from architecting the product’s structure to identifying and resolving complex bugs.• Built the application using React, TypeScript, and JavaScript, ensuring a robust and maintainable codebase with clean architecture principles.• Leveraged Styled Components to create reusable, themeable UI elements, improving the scalability and consistency of the interface.• Implemented unit testing and integration testing using Jest and Enzyme, establishing a solid foundation for quality assurance.•Focused on performance optimization and usability to deliver a fast, responsive, and user-friendly PWA, directly contributing to increased sales performance for clients.• Worked closely with cross-functional teams to ensure smooth delivery of features, aligning frontend development with client business goals.