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Remote Senior Frontend Developer - São Paulo, Brazil

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Primary Info:

Name: private info
Focus: Frontend, Full Stack
Career: Senior, Manager
Location: São Paulo, São Paulo, Brazil
Timezone:
Speaks: English, Portuguese

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All Skills: react node typescript vanilla js nextjs mongodb json express mithril React.js TypeScript JavaScript Redux Next.js Remix TailwindCSS Node.js Docker REST APIs Design Systems Unit Testing End-to-End Testing Visual Regression Testing Static Code Analysis CI CD Accessibility Internationalization Functional Programming Clean Code Agile Methodologies Mentoring Open Source Contribution Git Project Management SVG Chatbots IBM Watson SQL NoSQL OOP

Description:

👨‍💻 9+ years building web apps with React, TypeScript, Node & more!

🚀 Circle (2022–2025)

- Led a Design Systems team of 4 devs 💼

- Built complex features like a WYSIWYG editor ✍️

- Migrated entire codebase from JS to TS 🧠

- Drove initiatives in accessibility, mobile responsiveness & internationalization 🌍

🌱 Zemble (2021–2022)

- Greenfield project for market expansion 📈

- Introduced static analysis, type checking & testing pipelines ✅

- Mentored junior devs & contributed to open-source 🔧

🏦 PagSeguro PagBank (2020–2021)

- Migrated pages to Next.js, boosting modularity ⚙️

- Contributed to internal Design System components 🧩

- Revamped the E2E test suite—faster & more reliable 🔥

🧱 Pagar.me (2018–2020)

- Developed REST APIs & fulfilled strict banking regulations (BACEN) 🇧🇷

- Upgraded Node.js version of a monolith safely 🛠️

- Built React dashboard used across Stone Group 🖥️

🤖 IBM (2016–2018)

- Built chatbots using Watson & created internal tools 🧠

- Focused on i18n, accessibility, and quality control 🎯

💡 I thrive in fast-paced teams, care about code quality, and love mentoring others 💬

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Who We Are

Adam

Hi! I'm Adam, the person behind JS Chimp.

I make web apps and software (especially with PHP/Laravel).

I've been on both sides of the hiring equation.

Sent on interviews that didn't match my skillset. And recieved candidates unrelated to what I hired for.

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