I am looking for frontend developer roles where I can build clean, responsive, and accessible user interfaces using HTML, CSS, JavaScript, and React. I enjoy translating designs into high-quality code, collaborating with designers and developers, and contributing to user-focused web products while continuing to grow technically.
Macarena Alonso
@macarenaalonso
Frontend Developer building modern user interfaces with HTML, CSS, and JavaScript, with hands-on experience in React.
What I'm looking for
I am a Frontend Developer focused on building responsive and accessible user interfaces using HTML, CSS, and modern JavaScript. I work on translating designs into production-ready code, improving performance, and applying basic SEO best practices to enhance usability and visibility.
I have experience working in both agency and product environments, contributing to animated digital assets, responsive HTML emails, and full frontend implementations for web projects. Recent work includes developing a video streaming platform using React and Vite with Stripe payment integration, as well as ongoing frontend development at Convertia, where I maintain websites and implement performance improvements.
My toolset includes React, Astro, Vite, SASS, and Tailwind. I have experience integrating third-party services such as MedusaJS for ecommerce, Video.js for media playback, and JWT-based authentication. I enjoy collaborating with designers and cross-functional teams to build clean, maintainable frontend solutions.
Experience
Work history, roles, and key accomplishments
Frontend Developer
Convertia
Aug 2022 - Present (3 years 5 months)
Develop and maintain web interfaces using HTML, CSS and JavaScript; implemented performance and SEO improvements and built responsive HTML emails compatible with multiple clients. Collaborate with internal teams and use Git and CRM tools to deliver continuous UI enhancements.
Frontend Developer
Freelance
Aug 2024 - Jan 2026 (1 year 5 months)
Built a video streaming platform with purchase and rental features using React and Vite, integrated MedusaJS and Stripe for ecommerce and payments, and implemented JWT authentication and Video.js player. Employed Axios for API consumption and ESLint/VS Code for debugging and code quality.
Frontend Designer
Wunderman Thompson
Jan 2021 - May 2022 (1 year 4 months)
Produced animated banners and digital assets using HTML, CSS and JavaScript and Adobe Animate; developed emails from Sketch/Adobe XD designs and adapted creatives across formats and resolutions while tracking tasks in Jira.
Education
Degrees, certifications, and relevant coursework
Udemy
Certificate, Search Engine Optimization
2023 - 2023
Completed a course on SEO and Google positioning to improve website visibility and search performance.
Coderhouse
Certificate, Web Development
2020 - 2021
Completed a course covering React JS, React Native, JavaScript, and web development technologies including HTML, CSS, SASS, and Bootstrap.
University of Buenos Aires
Bachelor's Degree, Fashion Design
2012 - 2017
Earned a Bachelor's Degree in Fashion Design with coursework in design principles and garment construction.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Salary expectations
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