Jose U.

Jose U.

React.js Developer

Rio de Janeiro, Brazil
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About Me

Jose is React.js Developer experienced with standard frontend best practices, proficient in the latest client-side technologies, and other tools related to React frontend development. He implements highly responsive user interface components, writes application interface codes using React workflows, and deploys scalable frontend architecture to support multiple solutions - packaging and deploying UI deliverables with high reusability and scalability.

JavaScript 7 years React.js 6 years Redux 5 years Typescript 5 years React Native 2 years Next.js 2 years Graphql Styled Components 3 years Web Components 2 years Microservices 2 years React Testing Library 3 years Jest 3 years

Work history

UpStack
UpStack
React.js Developer
2023 - Present (1 year)
Remote

  • Creating and developing innovative frontend software solutions for clients across a broad range of industries.

  • Participate in scrums consisting of cross-functional teams, both software and hardware.

  • Ensure that features are being delivered efficiently and on-time.

JavaScriptReact.jsTypescriptReact NativeNext.js
PayPal
PayPal
Senior Fullstack Developer
2021 - 2023 (2 years)
Remote

  • Produced new solutions to migrate the legacy app to a modern React stack which reduced latency and improved user checkout.

  • Implemented and maintained new features on the checkout app - tracking latency and optimizing user interaction.

  • Provided solutions to maximize performance improvements and contributed to a PoC for a new Paypal checkout iteration.

TypescriptReact.jsReduxCypressReact Testing LibraryNode.jsExpressJestGraphqlApolloHasuraLernaWeb ComponentsMicroservicesWebpackNemo.js
iClinic
iClinic
Senior Frontend Developer
2021 - 2021
Brazil

  • Designed, developed, and implemented micro frontend solutions to enhance the performance of the iClinic financial portal.

  • Contributed solutions to improve the design system and maximize performance on the React application.

  • Worked with designers to deliver new UI and UX solutions with enhanced interaction and end-user experience.

React.jsTypescriptReduxRedux-SagaReact Testing LibraryYarnJestPythonLernaWeb ComponentsMicroservicesStyled Components
Panini
Panini
Senior Frontend Developer
2020 - 2021 (1 year)
Brazil

  • Liaised with the Italian team to design and develop two web-based advertising platforms to enhance its campaigns in Brazil.

  • Offered solutions and guidance for SEO optimizations on the new platforms to improve visibility and user traffic.

  • Designed and implemented responsive and pixel-perfect web solutions on the project.

React.jsTypescriptReduxRedux-SagaReact Testing LibraryJestNext.jsStyled Components
Composify
Composify
Senior Frontend Developer
2020 - 2021 (1 year)
Brazil

  • Provided end-to-end design and implemented new features on Composify, a social network platform for music composers in Brazil.

  • Worked on the admin portal for the platform using React.js components and GraphQL.

  • Built a new landing page for the website and released the mobile application with animations and a music player functionality.

React.jsReact NativeTypescriptReduxRedux-SagaReact Testing LibraryJestNode.jsNext.jsReact-Query
Prodígio Educação
Prodígio Educação
Frontend Developer
2018 - 2021 (3 years)
Rio de Janeiro, Brazil

  • Designed and developed a complete educational platform with features to improve the learning experience.

  • Delivered the web components library on the platform, executed E2E tests, and provided performance improvements.

  • Implemented the complete checkout system on the platform with a cart, shipping options, and payment systems.

TypescriptReact.jsReduxRedux-SagaCypressNode.jsJestGraphqlApolloHasuraStyled ComponentsBootstrapStencilCSSSCSSLESSSASSNext.jsGatsbyJSFirebaseVue.js
Freelance
Freelance
WordPress Developer
2015 - 2017 (2 years)
Brazil

  • Designed and implemented the WordPress-based "Series Online VIP" website with 100k+ visits per day.

  • Implemented new solutions to maintain the website.

  • Fixed bugs and defects to improve user experience.

WordPressJavaScriptHTMLCSSBootstrapjQueryPHPReact.js

Portfolio

Senior Fullstack Developer - Paypal
Senior Fullstack Developer - Paypal

Worked as a member of the checkout improvement team delivering new solutions to improve checkout processes and app. Migrated the legacy application to React, contributed performance improvements, and participated in developing the next Paypal checkout iteration.

Senior Frontend Developer - Composify
Senior Frontend Developer - Composify

Composify is a social network platform that connects songwriters, artists, and music fans to discover the next hit. Built the admin portal for the solution, delivered the mobile app and landing pages, and executed SEO optimizations.

Senior Frontend Developer - Sistema Prodígio de Ensino
Senior Frontend Developer - Sistema Prodígio de Ensino

Designed and developed educational platforms and admin systems - implementing a white-label solution for the frontend app, developing a new web components library, and handling performance improvements on solutions.

Education

Computer Science
Computer Science
Cruzeiro do Sul University