Available to hire
I’m Abril Marangoni, a Product Designer and Design Engineer based in Buenos Aires, Argentina. I have 5+ years shipping complex, user-facing products from concept to production and I specialize in AI-first experiences, interaction design, and human-centered systems that turn advanced technology into intuitive, scalable products.
I currently lead an AI SaaS as a solo founder, collaborating with product, engineering, and AI teams, and I’m fluent in English and Spanish. My work spans end-to-end product design across dashboards for e-commerce, gastronomy, services with bookings, health & wellness, events, and real estate, with a focus on defining clear user flows, building modular design systems, and validating ideas through usability testing.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Language
English
Fluent
Spanish; Castilian
Fluent
Work Experience
Founder & Product Engineer at ABA AI
January 1, 2025 - PresentFounded 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.
Product Engineer (Frontend-focused) at OneClick
January 1, 2024 - January 1, 2025Built the initial MVP of a fintech payments platform in an early-stage startup environment. Designed dashboards with real-time analytics and financial data visualization; shipped onboarding, checkout, and product management flows. Integrated third-party APIs including Stripe Connect, Plaid, and Bridge.xyz. Created a modular, reusable UI system to support rapid iteration.
Frontend Developer & UX/UI Designer (Freelance) at Remote
January 1, 2021 - January 1, 2024Designed and built responsive websites and MVPs for small businesses, owning UX/UI and frontend implementation end-to-end. Translated requirements into user flows, wireframes, and production-ready interfaces using React/Next.js and Tailwind. Integrated third-party services (payments, forms, analytics, CMS) and iterated directly with clients.
Founder & Design Engineer at ABA AI
January 1, 2025 - PresentLed 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.
Product Engineer (Frontend-focused) at OneClick (Fintech)
January 1, 2024 - January 1, 2025Designed 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.
Freelance — Frontend & UX/UI Designer at Freelance
January 1, 2021 - January 1, 2024Designed and built end-to-end web experiences for small-to-mid size businesses, covering UX research, interface design, prototyping, and front-end implementation.
Education
Postgraduate (UX/UI) for Data-Driven Applications at University of Texas at Austin
January 11, 2030 - January 1, 2024Full-Stack Software Development at Hilet Institute of Technology
January 11, 2030 - January 1, 2023Postgraduate UX/UI for Data-Driven Applications at University of Texas at Austin
January 1, 2024 - January 1, 2025Full-Stack Software Development at Hilet Institute of Te c h n o l o g y
January 1, 2021 - January 1, 2023Qualifications
Generative AI — University of Texas at Austin / Great Learning
January 11, 2030 - January 1, 2025Advanced UX/UI Design — Coderhouse
January 11, 2030 - January 12, 2026UX/UI Design — Coderhouse
January 11, 2030 - January 12, 2026Web Development — Coderhouse
January 11, 2030 - January 12, 2026Generative AI
January 1, 2025 - January 19, 2026Advanced UX/UI Design
January 1, 2023 - January 19, 2026Web Development
January 1, 2022 - January 19, 2026Industry Experience
Software & Internet, Professional Services, Financial Services, Retail, Healthcare, Real Estate & Construction, Media & Entertainment, Travel & Hospitality, Other
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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