Diego de Sousa
Frontend-focused Full-Stack Developer & Product Designer
Galicia, Spain · Remote
Contact
Professional summary
Frontend-focused full-stack developer and product designer working with React, Next.js, Astro, TypeScript and Tailwind CSS to ship accessible and maintainable web products.
My independent background means end-to-end ownership: discovery, information architecture, UX/UI, implementation, deployment and iterative improvements with clients and collaborators.
Selected projects
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Archivo fotográfico del Banco de España
Frontend development · In collaboration with Underbau
Stack: Astro, TypeScript, Accessibility, Image optimization
Digital implementation of a large historical photo archive designed for durability, accessibility and clear navigation.
- Implemented responsive navigation, timeline/grid exploration and gallery/lightbox behavior.
- Applied WCAG-oriented decisions, performance-focused image handling and functional no-JS review.
- Worked within editorial and client constraints while preserving maintainable implementation.
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Unveiling Memories / Iberdrola
Design, branding and frontend development · Iberdrola / Avangrid context
Stack: 11ty, Tailwind CSS, Static-site architecture
Historical content website translating long-form editorial material into a structured web experience.
- Structured chronology, figures, places and bibliography into clear navigation.
- Built a static frontend ready for maintenance and content expansion.
- Balanced visual storytelling, editorial clarity and technical simplicity.
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Floralia
Founder, product designer and frontend/full-stack developer
Stack: Next.js, PWA, Supabase Auth, Stripe, Vercel
SaaS-style web app for home gardening planning, focused on practical information and mobile-friendly use.
- Owned product strategy, UX, content model and implementation.
- Structured plant records, spaces, care history and encyclopedia content.
- Iterated on accessibility, SEO and long-term maintainability.
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Grandes Memorias
Product designer and frontend/full-stack developer
Stack: Next.js, TypeScript, Tailwind CSS, Supabase/PostgreSQL, Stripe, Vercel
Memorial platform connecting physical QR codes to editable digital tribute pages.
- Defined and implemented roles, permissions, magic-link authentication and QR workflows.
- Built public indexable pages with privacy controls and GDPR-aware requirements.
- Balanced sensitive UX, operational needs and long-term durability.
Core skills
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Frontend
React · Next.js · Astro · TypeScript · Tailwind CSS · Accessibility (WCAG) · Frontend performance
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Product and design
Product design · UI/UX · Information architecture · Content architecture · Figma
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SaaS and tooling
Supabase/PostgreSQL · Stripe · Vercel · Netlify · Git · Vitest and Playwright in own production projects
Experience
Independent Frontend / Full-Stack Developer & Product Designer
- Galicia, Spain · 2015–Present
- I build web products, editorial experiences and SaaS-style applications with technical and product ownership.
- I collaborate with studios, clients and non-technical stakeholders to deliver production-ready web experiences.