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Breno Balsini

@brenobalsini

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Frontend / Full Stack engineer specializing in React, Next.js and TypeScript.

Brazil

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What I'm looking for

I seek remote roles where I can build user-centered React/Next.js apps, own end-to-end delivery, iterate with users, and ship performant, maintainable products.

I am a Frontend / Full Stack Engineer with 4+ years building production web applications using React, Next.js and TypeScript. I own the full development cycle from UI design to API integration, performance optimization and deployment.

As a freelancer I built and maintained real operational apps—scheduling and data-management tools—implemented authentication, forms and REST/Firebase data flows, and translated validated MVPs from no-code prototypes into production React code.

I delivered customer-facing projects such as a lifeguard scheduling SPA with a custom constraint-aware algorithm and a full-stack pricing tool for artisans deployed on Vercel; I focus on usability, iterative feedback with end users, and pragmatic performance improvements.

Experience

Work history, roles, and key accomplishments

Current

Frontend Engineer

Current

Freelancer

Feb 2022 - Present (4 years)

Built and maintained production React/Next.js web apps solving operational problems, implemented authentication and REST/Firebase integrations, and iterated on UX with end users to deliver usable MVPs and features.

React Next.js TypeScript Firebase REST APIs TailwindCSS Vercel Git React Testing Library

Finance Department Analyst

Zeno

Dec 2020 - Nov 2021 (11 months)

Built automated Excel/Google Sheets dashboards for financial reporting that reduced manual work and improved data accuracy across the finance department.