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Senior Frontend Developer

Facundo Perez Montalvo

Currently building product UI at Storied via Svitla Systems.

React, Next.js, and TypeScript developer shipping polished interfaces for teams that care about quality.

I focus on product UI, design systems, and performance. Recent work has centered on frontend modernization, scalable interfaces, and close collaboration with backend and product teams.

React, Next.js, TypeScriptProduct UI, design systems, performanceCurrently building at StoriedRemote from Argentina
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Current Work

Current work at Storied

A quick look at the product work, frontend scope, and growth in my current role.

August 2024 - Present

Svitla Systems (for Storied)

Senior Frontend Developer

At Storied, I help ship product UI for a family history platform. My work spans frontend modernization, design implementation, and performance.

Core stack

React, Next.js, TypeScript, design systems, UI performance, and cross-functional delivery.

Collaboration

Product, design, QA, and backend partnership with a strong bias toward clean execution and reliable releases.

Migration and architecture

Helped modernize legacy frontend surfaces with Next.js while resolving architectural and design-system constraints.

Design implementation quality

Turn product and design direction into accessible, production-ready interfaces with strong polish and consistency.

Performance and API collaboration

Partner closely with the backend team to improve performance, API communication, and reliability.

Ownership and developer experience

Contribute frontend patterns and internal tooling that help the team ship with less friction.

Selected Projects

Case studies that back up the story

Projects framed as evidence of product thinking, frontend architecture, and implementation quality.

Screenshot of the Cartaonline dashboard and landing page

Cartaonline

Restaurant SaaS for digital menus, product management, and QR-ready storefronts.

Role: End-to-end build across UX, frontend architecture, forms, auth, and backend integrations.

  • Built flows for store setup, menu management, QR sharing, and AI-assisted menu imports.
  • Used App Router patterns and typed validation to keep a broad product surface maintainable.
Next.jsTypeScriptPrismaPostgreSQLClerkZodVercel AI SDK
Live DemoSource

Live demo language: Spanish, aligned with the target market in Argentina.

Screenshot of the Barbershop landing page and booking experience

Barbershop Management

Booking product for service businesses with scheduling, team management, and reservations.

Role: Full-stack implementation focused on branded UI, booking flows, and predictable scheduling.

  • Created a polished marketing and booking surface that balances branding with practical scheduling needs.
  • Structured the app around reusable UI patterns, typed validation, and predictable admin flows.
Next.jsTypeScriptDrizzle ORMTanStack Queryshadcn/uiZod
Live DemoSource
Screenshot of the real estate listing interface

Real Estate Platform

Content-driven property browsing built for speed, SEO, and easy CMS updates.

Role: Frontend architecture and CMS integration focused on fast browsing and clear information hierarchy.

  • Built a CMS-backed property site that stays fast while allowing non-technical content updates.
  • Prioritized search visibility, responsive browsing, and clean editorial presentation.
AstroTypeScriptTailwind CSSContentfulSEO
Live DemoSource

Live demo language: Spanish, aligned with the intended customer market.

Experience Snapshot

Recent experience, compressed to what matters

Current product work first, with earlier experience supporting the story through customer-facing problem solving and hands-on shipping.

August 2024 - Present

Svitla Systems (for Storied)

Senior Frontend Developer

Promoted from Middle Frontend Developer in January 2025.

Build product UI for Storied, a family history platform, with work spanning migration support, design implementation, performance, and team-facing frontend patterns.

  • Contributed to modernizing frontend architecture with Next.js while protecting product quality and delivery pace.
  • Implemented polished product interfaces and collaborated across product, QA, and backend to keep release quality high.
  • Improved developer experience with internal tooling and reusable frontend patterns.

August 2023 - August 2024

SupportYourApp

Technical Support Consultant

Solved technical product issues for end users while combining troubleshooting, communication, and frontend/backend context.

  • Maintained an average customer satisfaction score of 95% across support work.
  • Resolved product issues through a mix of debugging, customer communication, and practical HTML, CSS, and JavaScript fixes.

March 2022 - Present

Freelance

Frontend React Developer

Built client-facing web applications for local businesses with a focus on accessibility, responsive behavior, and maintainable frontend delivery.

  • Delivered production sites and app experiences across hospitality, services, and real estate use cases.
  • Handled the full loop from client requirements and UX decisions to implementation and iteration.

Resume and Contact

Resume, links, and an easy way to reach me

If the work feels like a fit, you can grab the resume or send me a note.

Resume

Grab the latest resume

A one-page snapshot of my recent work, focused on Storied, product UI, and frontend delivery.

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Facundo Perez Montalvo

Senior Frontend Developer focused on React, Next.js, TypeScript, and product UI that feels intentional in production.

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