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John Welcome's you!

Your one-stop solution for professional web development and design. Whether you need a stunning website, an e-commerce platform, or a custom web application, I provide end-to-end solutions that help your business stand out in the digital landscape.

About Me

I am a passionate software developer and designer dedicated to crafting exceptional digital experiences. With expertise in both development and design, I bring a unique perspective to every project, ensuring seamless functionality meets stunning aesthetics. My approach combines clean code architecture with intuitive user interfaces, creating solutions that not only work flawlessly but also delight users. I specialize in building responsive web applications with React and creating cross-platform mobile experiences using React Native. When I'm not coding, you'll find me designing sleek user interfaces in Figma, always striving to bridge the gap between functionality and beautiful design. Let's build something amazing together! 🚀

Experience

Software Engineer at Atento • Dez 2024 - Current

At Atento, I am responsible for working with Next.js on various products, such as Advanced Insights, which is essentially a system that uses artificial intelligence for companies with customer service departments. I built multi-language features and a report quality flow. I converted a large portion of the client components into server components, achieving a 40% performance boost. I implemented an AI-powered chat that allows the user to select an audio file and engage in a conversation or ask questions about that audio.

Software Engineer (Temporary) at Breaker19 • Aug 2024 - Nov 2024

Breaker19 is an efficient oilfield trucking & hotshot marketplace. I worked on the refactoring and maintenance of the driver and buyer apps using React Native, Expo, and Swift. I didn't limit myself to mobile development, but also contributed to the backend using Laravel and PostgreSQL.

Fullstack Develper at Fetchly Labs • Sep 2023 - Jun 2024

Fetchly Labs is a Software House responsible for creating all kinds of web and mobile applications, always using the most modern frameworks and technologies. During my time at Fetchly, I worked as a Software Engineer developing E-commerce platforms such as CityWinery and MyTouring, mobile applications with React Native like Helper Heeves, and business websites like Freight130. I worked not only on the frontend with Angular, React, React Native, and Astro but also on the backend using Ruby on Rails and PostgreSQL, such as Home Loan Gurus.

Fullstack Develper at Noclaf Tech • Mar 2022 - Sep 2023

During my time at Noclaf Tech, I worked as a Fullstack Web Developer, developing systems for various companies in Brazil. I developed management and invoice issuance applications, e-commerce platforms, landing pages, and educational websites for children.

Frontend Developer at Port Louis • Dec 2021 - Feb 2022

Port Louis is a service automation company in the sectors of Legal Audits, Administration, Asset Pricing, and more. During my time at Port Louis, I worked as a Frontend Developer, developing new features, creating documentation, and unit tests. I worked on fixing various types of code errors, performed refactoring and updates in the code, transitioning components from Vue 2 to the Vue Composition API.

Freelance Developer • Jun 2020 - Current

I started my developer career as a Freelance Developer, creating landing pages and simple websites. Currently, I have clients for whom I offer maintenance and development services for their companies and small businesses. I have developed blogs, landing pages, mobile applications, and created some SaaS platforms using Next.js, React Native, Expo, Node, and Supabase.

Featured Projects

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YoResume

YoResume is a resume platform that creates CVs to pass analyzes carried out by AIs – writing, editing, formatting and optimization.

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SevenLabz

SevenLabz its a AI Audio Platform that I made to help content creators of Tiktok, Instagram and Youtube.

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ContrateAI

ContrateAI simplifies the way that you create contract with artificial intelligence, allowing interactions for content comprehension.

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My Lunch

Its a simple food delivery made to help small food businesses.

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EasyAI

A AI Platform where you can find the main features of Artificial Intelligence, such as image generation, text creation, and code review.

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J.M. Shop

Its a fake ecommerce that I developed to sell iphones.

Skills & Tools

A creative problem solver with over 5 years of programming experience, I've explored diverse programming languages, libraries, and technology stacks, honing my skills in both Frontend, Backend, and App development.

Eager to learn and adept at adopting new technologies, I thrive on expanding my skill set in the ever-evolving tech landscape.

Languages

HTML
CSS
JavaScript
TypeScript
Swift
Ruby

Frontend Frameworks

React
Next.js
React Native
Vue.js
Vite

Javascript Libraries

React Query
Zustand
Emotion
Axios
SWR

CSS Styling & Motion Libraries

Tailwind CSS
Framer Motion
Styled Components
Chakra UI
SASS
Shadcn UI
Next UI
Bootstrap

Backend Technologies

Node.js
Ruby on Rails
Express.js
Fastify
Nest.js
Mongoose
Prisma
GraphQL

Databases

MongoDB
Firebase
Supabase
PostgreSQL
Redis
NeonDB
MySQL

Software & Tools

VS Code
Cursor
Git
GitHub
Eslint
Figma
VN

Currently Learning & Exploring

Socket.io
Docker
AWS
React Testing Library
Sentry
Tailwind JIT
Terraform