Freelancer profile translated to English.
Back to original languageAbout Eduardo
👍🏻 Hey welcome
My name is Eduardo and I have collaborated with excellent partners to deliver quality front-end applications, meeting the needs of businesses and users. I have created projects in Vanilla JavaScript, React, Next.js, with various styling technologies: CSS-in-JS, Tailwind, and Design Systems 🎨.
Skills outside of framework
- Mobile First and responsiveness, semantic HTML and accessibility.
- Browser APIs, web performance (CLS, Lazy Loading, Code Splitting, Tree Shaking).
- Testing and quality: unit tests, integration, Lighthouse, Storybook, and styleguides.
- Security and authentication with OAuth, OpenID Connect, site security, and event management with DataLayer.
- REST and GraphQL, local storage (localStorage, sessionStorage, IndexedDB).
- Design systems, micro-frontends, Figma mockups.
- Progressive Web Apps (PWA), reliable and performant applications.
- Internationalization (i18n), responsive media management, image and video optimization, storage with AWS S3.
👊🏻 Project examples
JuntosID: Front-end development of an SSO application for integrating other applications. Tech: Next.js, Styled-Components, Typescript.
Loyalty: Algolia Implementation for e-commerce search and catalog management. Tech: Next.js, Tailwind, Typescript.
DataVic: Complete development of a report analysis system (.csv) to generate technical opinions on animal feed. Tech: Next.js, Node.js, Styled-Components, Typescript.
Kp1 Bâtiment: Design of a document manager to create, share, download in PDF, and track statuses. Tech: React, Styled-Components, Typescript.
🔗 Projects : github.com/sallescosta
🫡 Need a Front-end web developer?
📧
Portuguese
Native or bilingual
French
Native or bilingual
English
Fluent
Can work on-site
Biot (up to 30km)
Experience
- Juntos Somos MaisFront-End Developer (Full Remote)E-COMMERCEJune 2022 - November 2024 (2 years and 5 months)Lisbonne, Portugal- Active bug resolution reported by the quality monitoring tool (Sentry).- Contribution to the FrontEnd guideline to ensure best coding practices standards.- Creation of alternative login and registration flows for SSO tool migration.- Contribution over time in improvements and deliveries, generating value for the end user- Integration with partner APIs and creation of development flows used by squads- Knowledge sharing in internal events about react and frontend ecosystem- Migration from universal Google Analytics to GA4 and integrates all teams to how you the new version of GA in web platforms.- Actively contributed to the development of the web platform focused on the loyalty sector, serving professionals and retailers, with a daily influx of thousands of visitors.- Proficiently utilized React and Next.js to architect and create user-centered solutions.- Played a key role in code reviews and software development planning, ensuring code excellence and strategic alignment.
- KP1 BâtimentSoftware EngineerCIVIL ENGINEERINGJanuary 2021 - May 2022 (1 year and 5 months)Avignon, France- Developed a highly responsive React application integrated with Firebase, leveraging Firestore for data storage and Firebase Authentication for user management, ensuring optimal performance across various screen sizes.- Built a Document Manager enabling the creation of technical documents, email sharing, PDF downloads, and status tracking for workflow monitoring.- Configured Firestore security rules to enforce permissions for reading, editing, and deleting data.- Ensured high-quality standards with test coverage using Jest and React Testing Library.- Deployed the application using Firebase Hosting, ensuring performance and scalability.
- DP DevFull-Stack Engineer DeveloperSOFTWARE PUBLISHINGMay 2021 - November 2021 (7 months)Avignon, FranceA leading web application development companyWorked closely with the CTO and CEO. Developed user signup pages,reset user data in the database, landing pages, and CSS modifications.Features working correctly, live, and serving clients.
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Education
- Civil EngineeringCentro Universitário de Maringá2014Baccalauréat Ingénierie Génie Civil
- Specialization in StructuresUniversidade Estadual de Londrina -2017Spécialisation en Structures - BTP