j
jonas_filho_dev

Jonas Filho

@jonas_filho_dev

Full Stack Developer for React Node js and AI Agents

Brazil
Portuguese
About me
Full stack developer working under my own brand, JF Dev. I build web applications with JavaScript, React and Node.js, and I run the infrastructure behind them: Linux servers, nginx, DNS, deployment and monitoring. The AI agents I ship are not demos. They talk to real users, call APIs, keep state and run on a schedule. I answer every message myself, usually within a few hours. Tell me what you need and I will tell you honestly whether I can deliver it, and when.... Read more

Skills

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jonas_filho_dev
Jonas Filho
Offline • 

See my services

Other Builders
I will build a fast, responsive landing page in react or HTML
From$80 / projectMore details
Bug Fixes
I will fix bugs and errors in your react, next js or node js app
From$35 / projectMore details

Work experience

freelance

Web Developer

freelance • Freelance

Dec 2025 - Present • 11 mos

Development of web pages using modern technologies with a strong focus on responsiveness and user experience. Responsible for creating fluid and efficient digital interfaces for various clients.