I design. (UX/UI · RedlineMD, HQBeds)I build. (Full-stack · MOVA, Entre Destinos)I connect. (Strategy · design · code)
Tap a line to see where it shows up in the work.
Marcus CastroWeb & Full-stack Developer
From interface to infrastructure. Creating digital products where design, engineering and strategy work together.
Selected work(06)
A full-stack workspace for clients, projects, tasks, calendars, partners and finances.
Next.js 16 · React 19 · Supabase · PostgreSQL 17
Travel content, services and digital commerce in one publishing platform.
Node.js · Decap CMS · Netlify · Mercado Pago
Mobile-first redesign concept for a physician contract-review landing page.
UX strategy · Responsive UI · Vercel
A custom WordPress news portal with an integrated editorial workspace.
PHP · WordPress · WordPress REST API
Conversion-focused landing pages for hospitality: a PT/ES referral programme, a research report and a workshop campaign.
Frontend · Localization PT/ES · Conversion UX
A responsive, framework-free landing page for a marketing, growth and digital strategy mentorship.
HTML · CSS · Vanilla JavaScript
From digital strategy to software development.
Capabilities
Full-stack development
— Data models, APIs, authentication, CMS workflows and serverless integrations.
Have a project or opportunity in mind?
I’m open to web development, full-stack and design engineering opportunities, international collaborations and selected freelance projects.