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Senior Software Developer with over 8 years of experience building scalable web applications using React, Next.js, TypeScript, Node.js, Laravel, and modern tooling including TanStack Query, Redux, Tailwind CSS, Storybook, and Chromatic. Skilled in designing micro-frontend architectures, real-time dashboards with WebSockets, and robust Design Systems. Experienced in SEO optimization and Backend-for-Frontend patterns for improved API integration and security. Delivered solutions for access permission management, staff control dashboards, and legacy system modernization from Flex Framework to React. Industry experience spans fintech, travel and hospitality, automotive, healthcare, and marketing. Proven track record of collaborating effectively in multicultural, distributed teams across different time zones.…Senior Software Developer with over 8 years of experience building scalable web applications using React, Next.js, TypeScript, Node.js, Laravel, and modern tooling including TanStack Query, Redux, Tailwind CSS, Storybook, and Chromatic. Skilled in designing micro-frontend architectures, real-time dashboards with WebSockets, and robust Design Systems. Experienced in SEO optimization and Backend-for-Frontend patterns for improved API integration and security. Delivered solutions for access permission management, staff control dashboards, and legacy system modernization from Flex Framework to React. Industry experience spans fintech, travel and hospitality, automotive, healthcare, and marketing. Proven track record of collaborating effectively in multicultural, distributed teams across different time zones.

Jean Guimaraes

Front-End Developer, Back-End Developer, Full Stack Developer, +3

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Senior Software Developer with over 8 years of experience building scalable web applications using React, Next.js, TypeScript, Node.js, Laravel, and modern tooling including TanStack Query, Redux, Tailwind CSS, Storybook, and Chromatic. Skilled in designing micro-frontend architectures, real-time dashboards with WebSockets, and robust Design Systems. Experienced in SEO optimization and Backend-for-Frontend patterns for improved API integration and security. Delivered solutions for access permission management, staff control dashboards, and legacy system modernization from Flex Framework to React. Industry experience spans fintech, travel and hospitality, automotive, healthcare, and marketing. Proven track record of collaborating effectively in multicultural, distributed teams across different time zones.…Senior Software Developer with over 8 years of experience building scalable web applications using React, Next.js, TypeScript, Node.js, Laravel, and modern tooling including TanStack Query, Redux, Tailwind CSS, Storybook, and Chromatic. Skilled in designing micro-frontend architectures, real-time dashboards with WebSockets, and robust Design Systems. Experienced in SEO optimization and Backend-for-Frontend patterns for improved API integration and security. Delivered solutions for access permission management, staff control dashboards, and legacy system modernization from Flex Framework to React. Industry experience spans fintech, travel and hospitality, automotive, healthcare, and marketing. Proven track record of collaborating effectively in multicultural, distributed teams across different time zones.

Available to hire

Senior Software Developer with over 8 years of experience building scalable web applications using React, Next.js,
TypeScript, Node.js, Laravel, and modern tooling including TanStack Query, Redux, Tailwind CSS, Storybook, and
Chromatic. Skilled in designing micro-frontend architectures, real-time dashboards with WebSockets, and robust Design
Systems. Experienced in SEO optimization and Backend-for-Frontend patterns for improved API integration and security.
Delivered solutions for access permission management, staff control dashboards, and legacy system modernization from Flex
Framework to React. Industry experience spans fintech, travel and hospitality, automotive, healthcare, and marketing. Proven
track record of collaborating effectively in multicultural, distributed teams across different time zones.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Portuguese

Fluent

Work Experience

Senior Front-End Developer at Dentsu

May 1, 2025 - Present

Core responsibilities: Developed pixel-perfect React components for the enterprise Design System, ensuring strict adherence to design specifications and visual consistency across products. Created and documented a reusable component library in Storybook with Chromatic integration, enabling visual regression testing and streamlining design–engineering collaboration, reducing UI review cycles. Engineered responsive, cross-browser layouts using modern CSS techniques including Grid, Flexbox, and custom properties. Optimized Webpack configuration with code-splitting and tree shaking, improving bundle size and app performance. Integrated React components with Adobe Experience Manager (AEM), enabling dynamic content delivery and seamless authoring workflows for content teams.

Senior Front-End Developer at Inter Digital Bank

September 1, 2023 - April 1, 2025

Designed and delivered a visual access-permission management module adopted by four teams, enabling streamlined micro-frontend deployment across banking divisions. Developed core features of the Corporate Credit platform using React, TypeScript, and Styled Components. Architected and deployed three micro-frontends using Webpack Module Federation while maintaining existing ones, ensuring modularity, independent deployments, and scalability across teams. Implemented real-time WebSocket integration to track bank manager interactions, enabling live monitoring dashboards for operational oversight.

Senior Front-End Developer at 123 Milhas

December 1, 2022 - August 1, 2023

Improved the company’s Reclame Aqui score from 3.5 to 8.5 by developing a React platform that streamlined flight-ticket issue and cancellations, directly enhancing customer satisfaction. Built and maintained internal and customer-facing systems using React, Next.js, TypeScript, Styled Components, and PHP (Laravel), supporting flight bookings, hotel reservations, and car rentals. Integrated the e-commerce platform with Strapi CMS, enabling marketing teams to manage destination content independently without developer intervention. Implemented Backend-for-Frontend (BFF) layer with Node.js and Express, centralizing API consumption and improving frontend performance and security. Managed complex application state with Redux and Thunk, ensuring predictable data flow across multiple product verticals.

Senior Front-End Developer at iClinic

January 1, 2022 - December 1, 2022

Reduced TISS insurance reimbursements processing time by 45% by developing a mobile-first React platform, streamlining administrative workflows for medical clinics. Built a scalable patient management application using React, TypeScript, Redux, and Styled Components, delivering a consistent UI with Material-UI. Applied performance optimization techniques including code-splitting, lazy loading, and reusable components, improving initial load times and long-term maintainability. Integrated the platform with external health care APIs for insurance claims and patient data exchange, ensuring compliance and reliable interoperability. Contributed to full-stack efforts including backend API adjustments in PHP (Laravel) to support frontend feature requirements.

Senior Front-End Developer at UOL Host

September 1, 2020 - December 1, 2021

Led the migration of UOL Host from AngularJS to React with TypeScript and Styled Components, improving development efficiency and developer experience. Designed and delivered core features of the platform using React, Next.js, TypeScript, Styled Components, and PHP (Laravel), supporting flight bookings, hotel reservations, and car rentals. Integrated Strapi CMS with the e-commerce platform, enabling marketing teams to independently manage destination content. Implemented a Backend-for-Frontend (BFF) layer using Node.js and Express, centralizing API consumption and improving frontend performance and security. Managed complex application state with Redux and Redux Thunk to ensure predictable data flow across multiple product verticals.