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Marcelo Caliman.

AI-powered Product Builder & Frontend Engineer

Rio de Janeiro → Northern Italy · Available Sep 2026

20+ years of web design and frontend engineering, evolving through every major web era — from hand-coded HTML/CSS through jQuery, WordPress, to modern React. Since 2024, operating on an AI-first stack that compresses months into days. Shipped 4 live SaaS products as a solo builder. Team lead for 3 developers. Relocating to Alessandria / Milan in September 2026, available for remote work worldwide.

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

Frontend Lead & Tech Manager

  • Led frontend architecture across client projects; managed 3 developers
  • Introduced AI-first workflow in 2024, cutting delivery time by 60–70%
  • Shipped 4 production SaaS products (3 solo, 1 with partner)
  • Designed and deployed multi-tenant systems with Supabase + Stripe
  • Built internal tooling that replaced manual ops for client onboarding
  • Mentored team on modern stack migration — jQuery → React → Next.js
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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