Personal details

Antonio F. - Remote front-end developer

Antonio F.

Front End Engineer
Based in: đŸ‡§đŸ‡· Brazil
Timezone: Brasilia (UTC-3)

About

I am Antonio FulgĂȘncio, a Software Engineer specializing in Front-end Development with over 6 years of experience, including more than 1 year delivering high-quality solutions for American companies. I have successfully contributed to large-scale projects, including developing and maintaining front-end systems for one of the largest e-commerce groups in the USA. My work primarily involves leveraging React, Next.js, TypeScript, Tailwind CSS, and Jest to optimize performance and scalability.

Throughout my career, I have implemented innovative solutions such as smart city dashboards and payment protocol testing tools, ensuring adherence to clean code practices and SOLID principles for maintainability and security. I excel in building reusable components, enhancing workflows, and meeting tight deadlines, all while prioritizing user experience and long-term scalability.

Passionate about innovation and continuous improvement, I am dedicated to contributing to transformative projects by leveraging modern technologies. I also value team collaboration and strive to deliver refined, impactful products.

Work Experience

Senior Front End Engineer
Konabos | Sep 2023 - Oct 2024
TypeScript
React
Next.js
Figma
Tailwind css

- Actively contributed to the development and maintenance of front-end pages and components for a major e-commerce group in the USA, leveraging React, Next.js, TypeScript, and SASS for high-performing, user-friendly interfaces.

- Played a key role in the migration of a multilingual Jamstack e-commerce platform to the latest Next.js version, using React, Tailwind CSS, and i18next to improve performance, scalability, and localization.

- Implemented new e-commerce features based on Figma designs, ensuring a smooth user experience by applying Next.js, React, TypeScript, Tailwind CSS, and Storybook to maintain design consistency and component standardization.

- Managed pages in the Kontent.ai CMS, ensuring that content updates were seamless and aligned with the development workflow.

- Promoted best practices within the team by engaging in technical discussions on front-end patterns and workflows, fostering a culture of collaboration and continuous improvement.

- Utilized Vercel to set up temporary test deployments for QA, contributing to a streamlined CI/CD pipeline.

- Created internal documentation to optimize workflows, improving project onboarding and team efficiency.

Front End Engineer
Atos | Dec 2021 - Aug 2023
TypeScript
React
JavaScript
Jest

- Developed and refactored front-end features for a Payments Protocol Tester Tool at a leading Brazilian holding company, leveraging React, TypeScript, Context API, Material UI, and SASS to achieve pixel-perfect designs aligned with Figma specifications.

- Optimized performance for complex, nested components within the Payments Protocol Tester Tool by implementing useCallback and useMemo hooks, improving efficiency in a key feature.

- Enhanced front-end reliability by increasing unit test coverage by 30% using Jest, React Testing Library, and Enzyme, strengthening quality assurance processes.

- Built high-impact features for a Smart City Real-time Monitoring Dashboard used by the Equatorian Government, including reduced latency and a virtual PTZ camera controller, applying Test-Driven Development (TDD) principles with React, TypeScript, and SASS.

- Upgraded UX for camera visualization by enhancing integrations with Google Maps in React, contributing to a more intuitive user experience.

- Worked in a Dockerized environment, containerizing applications to streamline development and deployment, ensuring consistency across various environments.

- Managed AWS environments to streamline deployment processes, ensuring the efficient maintenance of cloud infrastructure for front-end applications.

Projects

Survey for developer
TypeScript
Test driven development
React
SOLID Principles
Clean Architecture
In this work in progress project, I'm building it guided by the course 'ReactJS, Hooks, Recoil, TDD, Clean Architecture, SOLID' from Rodrigo Manguinho, using ReactJS with Typescript and Hooks, Test-Driven Development, Clean Architecture, Design Patterns and SOLID.
Tira Times
TypeScript
Test driven development
React
SOLID Principles
Clean Architecture
The project requirements are to generate a list of players to organize sports matches by sending the list to groups in message apps. (It's the most common way to organize sports matches here in Brazil) Then, import all players in the list, define players sorting rules, and draft balanced teams to have a great match!

Education

Faculdade ParaĂ­so do CearĂĄ
Bachelor's degree・Software development
Jan 2016 - Jun 2020

Certifications & Awards

Complete web development 2019
Udemy | Oct 2019