alejandromejia
Frontend Developer
I am a Frontend Developer based in Madrid, Spain with 10 years of experience in the web industry. I specialize in Frontend and UI development with ReactJS, NextJS and TypeScript, while also exploring backend development with NodeJS. My design background complements my development skills, enabling me to create user-centric digital experiences.
Experience: 10 years
Yearly salary: $144,000
Hourly rate: $75
Nationality: 🇨🇴 Colombia
Residency: 🇪🇸 Spain
Experience
Frontend Developer
ChromaWay 2024 - 2025
Frontend Developer for a blockchain company in Sweden as part of the marketing team. The tech stack include NextJS with App Router, Typescript, Storyblok as Headless CMS and motion —framer-motion— for animations. Primary responsibilities include maintaining and optimizing websites for performance, implementing marketing-driven improvements, launching new features and announcements, and managing CMS content structures to ensure seamless integration with the websites. Collaborating closely with the design team to develop robust design systems aligned with company branding. Ensuring design tokens in Figma are synchronized with website themes and iterating on designs to deliver exceptional user experiences. Had my first interaction with AI using Cursor AI IDE to significantly increase development velocity—speeding up bug discovery and resolution, streamlining code documentation, and rapidly building first iterations of components.
Frontend Developer
Fieldguide 2022 - 2023
Frontend Developer for a U.S. based startup through BairesDev, contributing to the development of key application features and resolving critical bugs. Leveraged a diverse tech stack, including Next.js, Node.js, TypeScript, GraphQL, Storybook, Jest, Cypress, Hasura, PostgreSQL, and Plasmo. Focused on implementing new features and played a key role in developing a Google Chrome browser extension using Plasmo, enabling users to capture screenshots and seamlessly upload them to the application. Collaborated closely with the product team to improve user experience in targeted application areas and proactively suggested enhancements.
Frontend Developer
Le Polish Bureau 2021 - 2022
Collaborated as a Frontend Developer on a team responsible for creating award-winning websites with dynamic animations and engaging interactions. Utilized a tech stack that included Next.js, TypeScript, Storybook, Framer Motion, Styled Components and Strapi. Played a key role in developing an exceptional website for a UK-based international agency. Designed and implemented interactive components, documented them in Storybook, and integrated Strapi as a headless CMS to enable seamless content management.
SSR UX Developer
Making Sense 2021 - 2021
Contributed as a UX Developer, maintaining a comprehensive design system for a large-scale application in the agricultural sector. Worked with a tech stack including ReactJS, TypeScript, SASS, Styled Components, Storybook and Figma. Key responsibilities included synchronizing the design system in Figma with ReactJS components in Storybook, refactoring legacy code by transitioning from class-based React components to functional components with hooks and TypeScript, migrating from SASS to Styled Components, and enhancing responsiveness across the app.
UI UX Developer
10 Pearls 2019 - 2020
Served as a UI/UX Developer responsible for building a comprehensive component library for the Frontend team, fostering collaboration to deliver a high-quality product. Worked closely with the development team in Colombia and the design team in the United States. Utilized ReactJS and Styled Components as the core tech stack. Contributed to building a web application from the ground up for a U.S.-based educational organization. Ensured the delivery of user-friendly, maintainable, and scalable ReactJS components through consistent communication with the development team. Suggested several UI enhancements to improve usability, many of which were successfully implemented.
WordPress Web Designer
Integ.ro 2018 - 2019
Worked as a WordPress Web Designer, contributing to the development of a new website for one of the cityʼs most prestigious universities. Utilized a tech stack comprising WordPress, PHP, JavaScript, and CSS. Collaborated closely with both internal and university teams to ensure the website matched the design specifications, adhered to accessibility (a11y) standards, was user-friendly for content management, and fully responsive across devices.
WordPress Web Designer
Interficto 2015 - 2018
Served as a WordPress Web Designer in a local marketing agency, managing end-to-end website development. Responsibilities included gathering client requirements, ensuring designs aligned with expectations, and delivering complete, polished products. Worked with a tech stack comprising WordPress, PHP, JavaScript, and CSS. Gained valuable insights into marketing metrics and applied them to create websites designed to achieve specific business goals.
Skills
css
marketing
nextjs
react
seo
tailwind
ui-ux-designer
web-designer
wordpress
front-end
english
spanish