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Facundo Joaquin

Music disc

TypeScript / Full Stack Developer

Open to new opportunities

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About me

JavaScript/TypeScript developer with 3+ years of experience building SaaS platforms, fintech products, and automation tools.

Specialized in React and Next.js, with experience designing scalable frontend architectures, microservice integrations, and full stack solutions using Node.js and PostgreSQL. I have contributed to technical standards, shared libraries, and systems focused on automation and infrastructure.

I also have experience leading frontend initiatives and working closely with product, design, and backend teams to deliver maintainable solutions focused on performance, user experience, and business goals.

Experience

Contarg

Frontend Developer

June 2024 - June 2026

  • Led frontend development for financial platforms and multi-tenant SaaS applications using React, Next.js, and TypeScript.
  • Defined frontend development standards and contributed to architecture decisions for financial and multi-tenant SaaS applications.
  • Designed a scalable frontend architecture based on a BFF (Backend for Frontend) pattern and shared packages distributed via GitHub Packages, centralizing microservice integrations and improving maintainability and code reuse across multiple frontends.
  • Mentored frontend developers through code reviews and technical guidance.

Red Uno Bien Conectados

Fullstack Developer

May 2023 - June 2024

  • Built web applications using SvelteKit, React, Laravel, PostgreSQL, and Python.
  • Worked on multiple projects simultaneously, adapting technical solutions to different business needs.
  • Implemented containerization workflows with Docker and deployments using NGINX.
  • Designed and developed internal tools for operational task automation and infrastructure management.
  • Collaborated on the design, development, and integration of backend and frontend systems in production environments.
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Projects

Alquisiera

Playwright, Firebase, Tailwind, Vercel, Render

Web app that scrapes multiple real estate agencies in Puerto Madryn every day and brings the listings together in one place.

See in detail GitHub View project

ALyC Platform

Next.js 16, TypeScript, Server Actions, App Router

Interface for foreign exchange operations management: daily transaction tracking, real-time financial control, and integration with multiple backends.

UI for foreign exchange operations with multi-service consolidation and real-time control.

See in detail

Patagonia Scuba

Astro, TypeScript, Tailwind CSS, Vercel

Institutional website for a diving center in Puerto Pirámides, Patagonia, offering recreational diving, sea lion snorkeling, nautical tours, and production logistics for international media.

I designed and developed the full site from scratch, including the information architecture, UI design, bilingual content structure, and deployment. The project required translating the client's dual audience — tourists and production companies — into two clearly differentiated sections with their own tone and visual identity.

See in detail GitHub View project

Proyectarg

Next.js, TypeScript, Tailwind CSS, REST API, Microservices

Multi-tenant project and task management platform for work teams with role-based permissions, table and Gantt views, and deliverable tracking.

I participated in the construction and evolution of the product from the frontend: defining interfaces per role, implementing planning flows, and developing operational views for the daily tracking of projects and tasks.

See in detail GitHub

Dental Clinic Management System

Next.js 16, TypeScript, Tailwind CSS, App Router

Frontend for an end-to-end clinic management platform covering patients, medical records, and administrative modules, with a strong focus on usability and large data sets.

Clinical management product with usability-focused interfaces and backend API integration.

See in detail

Contarg Cars

Next.js 16, TypeScript, Server Actions, App Router, Clean Architecture

Enterprise SaaS for full dealership management, built on microservices and Clean Architecture.

Enterprise SaaS platform for dealerships built with microservices and Clean Architecture.

See in detail

Tuki

Firebase, Redux, Tailwind

Web app that lets users report traffic checkpoints in real time based on GPS location, built with a mobile-first approach.

See in detail GitHub View project

Vertis

Sveltekit, Laravel, PostgreSQL, Docker, Tailwind

Web application for radio advertising management that improved both sales and ad production workflows.

End-to-end advertising management system that improved revenue and radio operations.

See in detail

Ms-olt

Python, Paramiko, Docker, Sveltekit, Tailwind

Microservice for OLT management over SSH that closed a critical gap in ISP infrastructure operations.

Critical microservice for the technical management of optical fiber infrastructure at an ISP.

See in detail

Radio Player

React

Configurable radio player with dynamic assets driven by the live programming schedule.

Radio player component with dynamic configuration based on the live programming schedule.

See in detail GitHub

Pokeno

React, Redux, Firebase

Pixel-art themed mock e-commerce built as the final project for Coderhouse's React JS course.

Themed e-commerce built with React, Redux, and Firebase as a bootcamp final project.

See in detail GitHub View project

Peya Calculator

HTML, CSS, JavaScript

Practical calculator for delivery drivers that automates per-order pricing.

Automatic pricing calculator for delivery drivers built with vanilla JavaScript.

See in detail GitHub View project

YWG Tourism

HTML, CSS

Fictional travel agency landing page built as a learning project.

Travel agency landing page built with plain HTML and CSS.

See in detail GitHub View project

Patagonian E-Sports League

Next.js 16, TypeScript, Server Actions, App Router

End-to-end e-sports platform for tournament organization and gamer community management across Patagonia.

Regional e-sports platform for tournament operations and gamer community management.

See in detail GitHub View project