Gabriel Castro
Gabriel Castro - Frontend Engineer

Gabriel Castro

Frontend Engineer

Passionate about building exceptional user experiences with React, TypeScript, and modern web technologies. Focused on performance, clean code, and shipping high-quality features.

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Gabriel Castro Portfolio

Gabriel Castro Portfolio

This website - my portfolio totally built with in Next.js with copilot's help

Next.js
Copilot
React
Typescript
Tailwind
Vanity CMS
Programming, one of the pages that I worked on.

ShowSeeker Pilot

Advanced ads management platform

React
React Native
Cypress
Vitest
Tailwind
Typescript
Tanstack Query
Autocomplete App

Autocomplete

Streamlined insurance quote experience

React
Typescript
Tailwind
Storybook
Jest
Cypress
Fluxmed platform

Fluxmed

FHIR-compliant healthcare system

React
React Native
Typescript
Material UI
AWS
Gov BR
FHIR

Latest Posts

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🚀 React Performance Optimization Techniques

React apps can get sluggish as they grow. In this post, I’ll share practical performance optimization techniques I’ve used in real projects — from avoiding unnecessary re-renders with React.memo to virtualizing lists and lazy loading heavy components. Each section includes clear explanations and code snippets you can apply right away to make your React apps faster, smoother, and more efficient.

React