Hi, I'm
Jeferson Reis
Full-Stack Developer
I build modern, scalable web applications with React, Next.js, and Node.js. Focused on performance, clean architecture, and code that lasts.
- Years
- 9+
- Projects
- 50+
- Clients
- 30+
Stack
Tools I use daily
Technologies in my everyday workflow
Frontend Development
10
Backend Development
13
Mobile Development
4
Database & Cloud
9
Tools
2
Work
Selected projects
A snapshot of what I've built recently
MobileCareMatch — Plataforma Health-Tech
Plataforma de saúde domiciliar conectando pacientes a profissionais — backend .NET 10, app Expo/React Native, gateway realtime em Rust, PostGIS e PIX (Asaas)
WebCareMatch Web
Landing institucional da CareMatch — Next.js 16, React 19, Tailwind v4, SEO com JSON-LD e GEO para motores de IA
SystemOSjeff
Sistema operacional x86_64 escrito do zero em Rust — bootloader, kernel, scheduler preemptivo e interface gráfica própria, sem Linux por baixo
WebSmartChat
Chatbot inteligente para atendimento
WebPixelJump
Jogo de plataforma 2D web
Testimonials
What clients say
6 clients served · average rating 4.8/5
“Jeferson delivered the app as agreed. The final product was responsive, polished, and ready to run across multiple platforms.”
“Jeferson is highly skilled, fast in execution, and very easy to work with. I would definitely hire him again.”
“The website was delivered with a professional look, strong responsiveness, and well-organized code. Communication throughout the project was clear and efficient.”
“Jeferson did an excellent job optimizing my website. He was fast, careful, and delivered a result that significantly improved the mobile experience.”
“A very attentive and dedicated professional who was always willing to help. Communication was excellent and delivery happened on schedule.”
“The automation was stable, well structured, and solved our booking workflow clearly. The project was delivered quickly with strong communication from start to finish.”
Contact
Let's talk
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