alejandro sierra vargas
Frontend Developer Focused on Responsive Web Apps& Modern UI
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Interactive Twitch streaming overlays developed with React and Twitch API integration for dynamic real-time stream visuals and responsive UI components.
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Modern digital platform developed for ALTER Studio, a boutique design studio based in Bogotá. Built with React, TypeScript, Vite, Tailwind CSS, and Framer Motion, this project helped me improve my frontend architecture, animation workflow, and responsive UI development while continuing to grow as a developer focused on modern web experiences.
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Modern developer portfolio built with React and Vite, featuring GitHub API integration, responsive UI, animated sections, and dynamic project rendering focused on performance and clean frontend architecture.
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Aulas Puente is a responsive academic landing page built to present an educational reintegration initiative through a modern and accessible web experience. Developed with HTML, Tailwind CSS, and Vanilla JavaScript, the project features scroll animations, interactive modals, animated statistics, responsive layouts, and asynchronous form handling with a focus on usability, performance, and clean UI implementation.
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