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Marcelo Caliman.

AI-powered Product Builder & Frontend Engineer

Rio de Janeiro → Northern Italy · Available Nov 2026

20+ years of web design and frontend engineering, through every major web era — from hand-coded HTML/CSS through jQuery and WordPress to modern React. Since 2024, operating on an AI-first stack that compresses months into days. At GrupoBrasil since 2011, technical lead for campaign delivery — engineering and communication in the same hands, inside a team that also runs donation management, monitoring and call support. Shipped 6 SaaS products, 4 live in production, mostly as a solo builder. Team lead for 3 developers. Relocating to Alessandria / Milan in November 2026, looking for a permanent role in Northern Italy — on-site, hybrid or remote. Permesso di soggiorno, Italian ID and codice fiscale: already authorised to work in Italy.

Signature Work

mcaliman.com system2 days · 52 commits · 3 domains

Landing, admin backoffice, client portal, and Stripe invoicing — one Next.js app routing across three domains. Magic link auth with JOSE. Custom subdomain session cookies.

Custom magic-link auth (JOSE)Subdomain routing middlewareMulti-tenant Supabase schema

Next.js 16 · TypeScript · Tailwind · shadcn/ui · Supabase · Stripe · Zoho SMTP

Experience

GrupoBrasil2011 — Present

Technical Lead — Digital Products & Campaign Operations

  • —Introduced AI-first workflow in 2024, cutting delivery time by 60–70%
  • —Shipped 6 SaaS products, 4 of them live in production — three built solo, one with a partner
  • —Designed and deployed multi-tenant systems with Supabase + Stripe
  • —High-volume transactional engineering as the agency's technical lead for Charidy, the US platform GrupoBrasil represents in Brazil — campaign pages and donation flow integration, alongside a team running donation management, monitoring and call support; R$100M+ processed through those campaigns
  • —UTCAL Summit, UTC América Latina's annual event: the agency handles its communications and production end to end — digital delivery across 13 consecutive editions, from site and programme pages to visual identity and paid social
  • —Led frontend architecture across client projects; managed and mentored 3 developers through the jQuery → React → Next.js migration
  • —Client sites end to end — eptca.com, the Brazilian site of a medical-device distributor: build, maintenance and Google Business Profile
Metatron2004 — 2010

Web Designer & Developer

  • —Designed and developed sites and digital campaigns for mid-to-large clients
  • —Full visual pipeline: layout, HTML/CSS, Flash animation, web standards
  • —Early adopter of semantic HTML and cross-browser compatibility practices
  • —Collaborated with marketing teams on brand identity and campaign deliverables

Selected Projects

CopilotoBnB2025 — Present

AI-powered short-term rental platform. OpenAI API for automated listing copy and guest communications. Built with a partner. Stripe subscriptions, Supabase backend.

ProprietárioZen2024 — Present

Real estate management SaaS. Multi-tenant, Asaas payment split, Pix integration, Supabase backend. Solo builder.

Doativa2023 — Present

Donation and fundraising platform. Stripe Connect, campaign management, receipt generation. Solo builder.

Doando.co2025 — Present

Peer-to-peer donation marketplace. Stripe integration, real-time matching, mobile-first design. Solo builder.

Education

UniverCidade2003 — 2006

Advertising & Marketing

PUC-Rio2008

Digital Marketing — Extension Course

Self-directed2022 — Now

AI workflow · Next.js · Supabase · Stripe

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