Building modern SaaS platforms with React, Next.js, TypeScript and scalable architectures.
Personal portfolio of Cintia Losada (Cinlo), frontend web developer focused on building modern, responsive and user-centered web applications.
Professional portfolio bringing together production SaaS platforms, commercial projects, and engineering experiments.
Rather than just displaying static websites, this portfolio showcases an software ecosystem consisting of fullstack SaaS products in production, comprehensive architectural showcases, real client implementations, and modern design systems.
Explore the technical documentation and source code behind the ecosystem:
- 💰 AlDía Technical Showcase — Architectural overview, database schema, and product vision for AlDía.
- 🦷 CinloLabs Technical Showcase — Feature-Driven Architecture (FDA), multi-tenant isolation, and ADRs for CinloLabs.
- 🌐 Portfolio Source Code — Next.js bilingual portfolio application.
Personal & collaborative finance SaaS.
A production-ready SaaS platform designed to centralize everyday financial tracking, budgeting, and shared group expenses.
- Dashboard: Interactive financial metrics, monthly budgets, and cash flow projections.
- Shared Expenses: Multi-user shared groups with independent balances and automatic debt calculation.
- Savings Goals: Real-time visual progress tracking toward personalized financial targets.
- Credit Cards & Budgets: Comprehensive payment cycle and category spending management.
🌐 Live Demo · 📚 Technical Showcase
Multi-tenant B2B SaaS for dental laboratories.
An end-to-end operational management platform designed to digitize dental laboratory workflows and connect labs with dentist clients.
- Order Management: Full lifecycle tracking of prosthetic work orders from intake to delivery.
- Dentist Portal: Dedicated client portal for dentists to submit orders and monitor production status in real time.
- Public Landing Pages: Built-in multi-tenant website generator with customizable templates and visual theming per lab.
- Feature-Driven Architecture (FDA): Decoupled domain architecture (
platform,tenant,products,core) enforced by CI pipelines. - Security & Multi-Tenancy: Software tenant isolation backed by PostgreSQL Row Level Security (RLS) and RBAC.
🌐 Live Demo · 📚 Technical Showcase
Production websites and interactive educational platforms developed for real clients, prioritizing speed, accessibility, SEO, and polished visual identities.
Reusable components, custom design systems, micro-animations, and frontend architectural explorations built with React, Radix UI, and Tailwind CSS.
- React & Next.js (App Router, Server Components, Server Actions)
- TypeScript
- Tailwind CSS
- Supabase (Auth, Storage, Realtime)
- PostgreSQL
- Row Level Security (RLS)
- Vercel
- Cloudflare
- Resend (Transactional Emails)
- Radix UI & shadcn/ui
- Framer Motion
- Recharts
Projects showcased in this portfolio are built using modern engineering practices, including:
- Feature-Driven Architecture (FDA) with strict domain boundaries enforced via CI pipelines (
check-boundaries) - Component-driven development and design token consistency
- Server Components & Server Actions for optimal performance and secure data mutations
- Row Level Security (RLS) applied directly at the PostgreSQL layer
- Role-Based Access Control (RBAC) and comprehensive audit logging
- Multi-tenant architecture with complete data isolation
- Responsive-first & Mobile-first design tailored for complex desktop and mobile workflows
Cintia Losada (CinloDev)
Frontend-focused Full Stack Developer
🌐 portfolio.cinlodev.com
This repository is released under the MIT License.

