Hi, I'm Júlio César 👋

Frontend Engineer

I design and ship fast, scalable frontend platforms with React, Next.js and React Native (Expo), focused on Web Vitals, security and performance that holds up under real production traffic.

Júlio César - Frontend Engineer

About Me

I'm Júlio César, a frontend engineer with 6+ years shipping software people actually use, from e-commerce and SaaS to high-traffic betting platforms. I care about measurable performance, security and clean, reliable code, and I like owning problems end to end.

Work History

Experience

Production frontend work across e-commerce, SaaS and iGaming, currently driving platform-wide performance, security and quality on a Next.js + React Native stack.

Projects

Projects that shipped

Personal projects I've designed and shipped solo, focused on performance, architecture and user experience. These are open source: you can open, fork and run them. My company work is private under NDAs and is summarized in the Experience section.

Education

Education

Formal education earned alongside full-time engineering work.

FAQ

Frequently Asked Questions