Abril Marangoni

Led end-to-end product design for a multi-tenant, AI-powered SaaS platform, owning core product surfaces from concept to production. Designed and shipped 6 specialized dashboards (e-commerce, gastronomy, services with bookings, health & wellness, events, real estate), each with distinct workflows, data models, and patterns. Defined primary user flows and interaction models to make complex AI behavior understandable, predictable, and usable for non-technical users. Designed AI-connected dashboards where every surface is integrated with the conversational engine and subscription logic. Built and shipped a subscription-based product experience (Starter, Growth, Pro), integrating billing, plan gating, feature access, and token limits into the UX. Validated V1 through usability testing with 10 real users and informed V2 redesign. Devised modular UI and design system foundations to support fast iteration and scalability.

Founded and built a multi-tenant AI-powered SaaS platform from scratch, owning product definition, UX/UI design, frontend architecture, AI orchestration, and system design. Implemented real-time conversational automation across WhatsApp Business, Instagram DMs, and Facebook Messenger using Meta Business APIs. Built a stateless NestJS backend with PostgreSQL, enforcing tenant-level data isolation and plan-based access control. Developed frontend experiences to configure and visualize context-aware automation with tenant-specific products, services, FAQs, business hours, and preferences. Implemented per-tenant monthly token enforcement (200K / 600K / 1.5M tokens) and plan-based rate limits; secured credentials using AES-256-GCM encryption. Supported 7 business verticals through configurable dashboards, designing scalable frontend patterns for high-traffic, user-driven products.

Designed and shipped core product experiences for a production fintech platform, translating complex financial logic into intuitive interfaces. Built scalable React interfaces for high-stakes workflows, prioritizing clarity, error prevention, and system consistency. Designed and implemented real-time analytics dashboards with strong information hierarchy. Owned onboarding, checkout, and product management flows end-to-end. Integrated Stripe Connect, Plaid, Bridge.xyz, abstracting technical complexity into simple UX. Created a modular UI system to enable fast iteration and long-term maintainability.