I’m a UI Frontend Developer combining solid frontend engineering skills with deep expertise in Modern CSS methodologies, style architectures, and Design Systems. I specialize in building scalable UI foundations, developing React/Typescript components, defining engineering patterns, and collaborating across product teams to deliver high-quality interfaces. With 15+ years of experience, I focus on turning design into production-ready user experiences: reusable components, well-structured styles, stable foundations, and visually accurate interfaces. I really enjoy being the bridge between design and engineering, staying involved in the design handoff process, translating design tokens into code, ensuring pixel-perfect results, improving accessibility, and helping maintain consistent patterns across teams and platforms.…

Javier Aguado Arias

I’m a UI Frontend Developer combining solid frontend engineering skills with deep expertise in Modern CSS methodologies, style architectures, and Design Systems. I specialize in building scalable UI foundations, developing React/Typescript components, defining engineering patterns, and collaborating across product teams to deliver high-quality interfaces. With 15+ years of experience, I focus on turning design into production-ready user experiences: reusable components, well-structured styles, stable foundations, and visually accurate interfaces. I really enjoy being the bridge between design and engineering, staying involved in the design handoff process, translating design tokens into code, ensuring pixel-perfect results, improving accessibility, and helping maintain consistent patterns across teams and platforms.…

Available to hire

I’m a UI Frontend Developer combining solid frontend engineering skills with deep expertise in Modern CSS methodologies, style architectures, and Design Systems. I specialize in building scalable UI foundations, developing React/Typescript components, defining engineering patterns, and collaborating across product teams to deliver high-quality interfaces.

With 15+ years of experience, I focus on turning design into production-ready user experiences: reusable components, well-structured styles, stable foundations, and visually accurate interfaces. I really enjoy being the bridge between design and engineering, staying involved in the design handoff process, translating design tokens into code, ensuring pixel-perfect results, improving accessibility, and helping maintain consistent patterns across teams and platforms.

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Experience Level

Expert
Expert
Intermediate

Work Experience

UI Developer Design Engineer at ACCIONA
December 1, 2024 - Present
Working for the Internal Communication Department. Develop and design an Email Design System for Internal campaign communications. Managing email campaigns, EDS components, microsites (with Tailwind, React, and Astro), metrics, KPIs, and developing the company's intranet components.
UI Frontend Developer at Affirm
May 1, 2021 - May 1, 2024
Working on different teams inside Affirm. B2C Logged Out web, revamping pages and components with Contentful, GraphQL, Gatsby, and React. Dashboard platform for Affirm’s merchants. Working inside campaign creation flows, and the Disputes project, editing components from the Affirm library, and creating new layouts.
UI Frontend Developer at Returnly
October 1, 2020 - February 1, 2023
Working on the dashboard platform for merchants of returnly.com. Creating React compositions using custom library components inside an application made with Ruby on Rails. Collaborating inside the company's UI library of components with React, TypeScript, styled-components, and Storybook.
UI/UX Frontend Developer at Wikifactory
November 1, 2019 - October 1, 2020
Working in different development cycles for wikifactory.com. Building a UI library of components with styled-components and Storybook for using them inside an application made with React. Being the final one responsible of the look & feel of the library.
UI/UX Frontend Developer at STARZPLAY
May 1, 2015 - November 1, 2019
Working in different development cycles for starzplayarabia.com and in the last two years working for our TV/BIG Screen application (LG, SAMSUNG, PS4). Building a UI library of components with styled-components and Storybook for using them inside an application made with React (create-react-app).
UI/UX Frontend Developer & Designer at Atmira
April 1, 2009 - May 1, 2015
Being part of the New Channels department in Cecabank. Working for different applications and projects of national and local banks, web electronic banks, hybrid applications (web views with RWD), real-estate portals, and electronic billing.
UI/UX Frontend Developer & Designer at ximetrix network thoughts
June 1, 2007 - April 1, 2009
Working for different web applications for public ministries of Spain, like 060.es or Royal House of Spain in casareal.es. Using the company’s CMS, ximDEX.
UI Frontend Developer and Designer at RTVE
June 1, 2006 - September 1, 2006
Internship at Spanish public television. Working with XHTML, CSS2, Macromedia Studio 8, Photoshop CS2, Avid, and CMS.

Education

Bachelor’s degree at Universidad Rey Juan Carlos.
January 1, 2001 - January 1, 2006

Qualifications

Add your qualifications or awards here.

Experience Level

Expert
Expert
Intermediate

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