João Guilherme Fonseca

Front End Developer from Brazil. I'm passionate about web development and I love to create beautiful and performant websites. I'm always looking for new challenges and opportunities to learn and grow

With vast experience in development, I specialize in React.js, Next.js, Expo, and Node, making use of tools and libraries such as TailwindCSS, shadcn/ui - Radix, TanStack, Zustand, and Prisma. I have a particular affinity for TypeScript, valuing its ability to reinforce code robustness and readability. In my work, I consistently strive to produce clean and easily understandable code, reflecting my commitment to excellence. I have a strong desire to collaborate with development teams, contributing effective solutions and actively participating in discussions and idea exchanges.

Experience

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Started $Mobile Developer role at $Slabware on
Mar 2024
-
Ended $Mobile Developer role at $Slabware on
Present
Full-time - Onsite
Vila Velha, ES, Brazil
Mobile Developer · Slabware
In the mobile development team, my role involves working with React Native and Expo to improve and expand existing applications. My daily tasks include refactoring code to make it cleaner and more efficient, as well as developing new features that enhance user experience and extend the app’s capabilities. I constantly seek innovative and effective solutions to ensure that our application is responsive, reliable, and user-friendly
Expo
Git
React
Realm
Typescript
Started $Frontend developer role at $BeeBee on
Oct 2023
-
Ended $Frontend developer role at $BeeBee on
Mar 2024
Full-time - Remote
Vitória, ES, Brazil
Frontend developer · BeeBee
I am the front-end developer responsible for creating new features and maintaining code in our web applications developed in React.js, as well as in the mobile application developed with Expo. My role on the team is critical to ensuring that our products offer an exceptional user experience and meet the highest quality standards. In addition to my daily responsibilities, I have had the opportunity to lead Proof of Concepts (POCs) in Flutter, exploring new technological possibilities and conducting experiments to enhance our development processes. I am always committed to seeking new knowledge and skills to continuously improve our work
Expo
Flutter
Git
React
Tailwind
Typescript
Started $Frontend developer role at $Grupo Gmill on
Nov 2022
-
Ended $Frontend developer role at $Grupo Gmill on
Oct 2023
Full-time - Onsite
Serra, ES, Brazil
Frontend developer · Grupo Gmill
As a junior developer, I led the migration of a web application from Angular to React, utilizing TypeScript and Tailwind CSS to optimize user experience and scalability. I was tasked with devising technical solutions, writing clean code, and implementing essential functionalities. Additionally, I took on the responsibility of developing a mobile application using Expo and React Native, aiming to create a highly efficient and responsive native application.
Expo
Git
React
Tailwind
Typescript
Started $Intern developer role at $ATW Delivery Brands on
Mar 2022
-
Ended $Intern developer role at $ATW Delivery Brands on
Nov 2022
Intern - Onsite
Vitória, ES, Brazil
Intern developer · ATW Delivery Brands
During my internship, I developed a Node.js Backend application using Express and TypeScript. Additionally, I implemented automated tests using Jest to ensure code quality. I used Prisma to manipulate the database, ensuring efficient and secure integration. I also prototyped a live chat using Socket.io, enabling real-time communication among users. This experience was enriching and challenging, allowing me to enhance my web development skills and apply various modern technologies.
Git
Next
Node
React
Tailwind
Typescript
Started $Backend developer role at $UVV on
Sep 2021
-
Ended $Backend developer role at $UVV on
Mar 2022
Work scholarship - Onsite
Vila Velha, ES, Brazil
Backend developer · UVV
During the virtual reality project, I secured a position as a scholarship recipient. In addition to continuing my programming work in Unity, I began developing an API using .NET for integration with the game. This experience broadened my knowledge in various software development areas and introduced me to the world of backend development.
Node
Typescript
Started $Game developer role at $UVV on
Jul 2019
-
Ended $Game developer role at $UVV on
Sep 2021
Volunteer - Onsite
Vila Velha, ES, Brazil
Game developer · UVV
During my first semester at university, a professor invited me to join a virtual reality project as a volunteer. I seized the opportunity to expand my knowledge. Throughout the scholarship, I learned to use Unity for game development, employing the C# language. I was entrusted with the task of prototyping interfaces, which enhanced my skills and deepened my understanding of user experience design.
C#
Unity

Education

Jan 2018 - Dez 2023
Vila Velha, ES, Brazil
Bachelor's degree in Computer Science
Universidade Vila Velha - UVV

João Guilherme Fonseca

Experience

Mobile Developer · Slabware

Frontend developer · BeeBee

Frontend developer · Grupo Gmill

Intern developer · ATW Delivery Brands

Backend developer · UVV

Game developer · UVV