Summary
Juan Sifontez is a frontend web developer with 9 years of experience building responsive, accessible UIs using React and Vue (currently working with Vue.js and Quasar) and a strong grounding in performance optimization and state management. Based in São Paulo, he has delivered production sites with Next.js, Hygraph CMS, and framer-motion animations while applying best practices like BEM and On-Demand Revalidation. Comfortable working in Agile teams, he translates Figma designs into polished interfaces, debugs complex JavaScript issues, and leverages lazy loading and code splitting to improve load times. A lifelong learner with formal training from Free Code Camp and Platzi and an early background in mechanical engineering, Juan pairs a pragmatic engineering mindset with a storyteller’s eye—he’s also an enthusiast of Bitcoin and blockchain technologies.
9 years of coding experience
Arquitecto Frontend, Information Technology, Arquitecto Frontend, Information Technology at Platzi
Full Stack Web Development Certification, Ingeniería de software, Full Stack Web Development Certification, Ingeniería de software at Free Code Camp
Ingeniero Mecánico, Ingeniero Mecánico at Universidad de Oriente (VE)
English, Spanish