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Maat User

@maatuser

Frontend engineer specializing in React, Next.js, React Native, TypeScript, Node.js, Express.js, Nest.js, Postgresql and MongoDB

Brazil
Message

What I'm looking for

I seek frontend roles improving product quality and performance across web and mobile, with ownership of architecture, deployment, and user-facing features.

I am a frontend engineer with almost 3 years of programming experience. I focus on building reliable, high-performance web and mobile experiences using React, Next.js, React Native, and TypeScript.

At Buzzvel I rebuilt a cross-platform subscription billing system, integrated RevenueCat, resolved platform billing conflicts, and refactored a React Native architecture—reducing functional bugs by ~60% in under a month. I also optimized Next.js apps with code splitting, lazy loading, and tree shaking measured via Lighthouse and Chrome DevTools.

I design frontend systems end-to-end: component design, state management with Zustand, REST API integration, SSR and metadata for SEO, and mobile deployments via Expo/EAS with OTA updates and deep linking. I instrument production with Sentry and track search performance through Google Search Console.

My notable project, Vegcom, demonstrates full-stack schema design with Prisma/PostgreSQL, a social feed, AI chatbot integration (Google Gemini), and fast API responses. I seek roles where I can improve product quality, performance, and user experience across web and mobile platforms.

Experience

Work history, roles, and key accomplishments

Independent / Personal Projects logoIP
Current

Full Stack Engineer

Independent / Personal Projects

Dec 2024 - Present (1 year 3 months)

Designed and built Vegcom, a community platform with social feed, recipe submissions and an AI chatbot using Next.js and Gemini API; implemented Prisma/PostgreSQL schema and delivered 300–600ms AI response times.

BU
Current

Frontend Developer

Buzzvel

Oct 2024 - Present (1 year 5 months)

Rebuilt cross-platform subscription billing flow with RevenueCat and resolved App Store/Stripe billing conflicts; refactored React Native architecture and integrated Sentry, reducing functional bugs ~60%. Optimized Next.js apps with code splitting and SSR to improve performance and organic visibility.

Education

Degrees, certifications, and relevant coursework

Zero To Mastery Academy logoZA

Zero To Mastery Academy

Certificate, Advanced Web Development

2025 -

Advanced Web Development coursework covering Advanced React, Next.js, TypeScript, and full-stack architecture; currently in progress.

Zero To Mastery Academy logoZA

Zero To Mastery Academy

Certificate, Web Development & JavaScript

2024 - 2024

Completed the Web Development & JavaScript program covering modern JavaScript, the React ecosystem, and Vercel deployments (Apr–Jul 2024).

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