Jonathan Capistrano

Front-End Web Developer and senior full-stack engineer with 15+ years of experience building publicly facing websites, single-page applications (SPA), and internal back-office UIs for high-traffic financial, education, and SaaS platforms. Expert in modern JavaScript and TypeScript with deep experience in React, Angular, and Next.js, translating design wireframes and UX specs into pixel-perfect, responsive, and accessible UI components. Strong focus on application performance, scalability, SEO, security best practices, and cross-browser compatibility, delivering marketing pages and internal tools that look great and work reliably across devices. Proven collaborator with product designers, marketing teams, and stakeholders, bridging graphical design and technical implementation, and using GitHub, AI tools (GitHub Copilot), and automated testing to maintain high-quality front-end codebases.