Juan Cruz Roldan

Hi, I am Juan Cruz Roldán

A full-stack web developer from Buenos Aires with 2+ years of experience building for the web. I care a lot about building a great product that users love. I'm always looking for new patterns, technologies, and people to learn from and improve my work. On every team I work on, I make great efforts to be a positive influence, deliver an excellent user experience, and help to build a maintainable architecture.

Work Experience

  1. Full Stack Developer

    Taktiful
    • Developed and maintained three products for the digital printing industry, adding new features while improving scalability and user experience across all the layers of the stack.
    • Led the development of an Angular project from scratch. Developed a design software similar to Canva, integrating Meta's AI model “Segment Anything Model (SAM)” to generate SVG masks from images and produce ready-to-print PDF files for embellishment workflows. The MVP was showcased at the PRINTING United Expo 2025 in Las Vegas, attracting interest and initiating business opportunities with companies such as Staples and Shutterstock.

    Tech Stack

    • Angular
    • React
    • Group 28 Copy 5Created with Sketch. Ant Design
    • Bootstrap
    • TypeScript
    • PHP
    • MySQL
    • AWS

  2. Full Stack Web Developer

    Zite
    • Delivered end-to-end feature development across frontend and backend using Next.js, React, TypeScript, Node.js, and PostgreSQL in an AI-powered SaaS platform for private market investments.
    • Migrated the platform's styling system to Shadcn UI components, including a full modal redesign and the development of dynamic table visibility controls used throughout the application.
    • Built and maintained a layout system to visualize and manage kanban-style flows, helping users navigate complex investment processes more efficiently.

    Tech Stack

    • Next.js
    • React
    • ShadCN UI
    • Tailwind CSS
    • TypeScript
    • Drizzle ORM
    • PostgreSQL
    • Supabase
    • Azure

  3. Marketing Web Developer

    Gainapp
    • Developed and maintained Gain's main website and blog, ensuring performance, brand consistency, and SEO best practices across the site.
    • Implemented and configured digital marketing technologies such as UTM tags, tracking pixels, and integrations with software review platforms including G2, Capterra, GetApp, and Software Advice.
    • Designed, built, and managed marketing and product dashboards using event-based analytics tools like Mixpanel and Hotjar, providing actionable insights to Product and Growth teams.

    Tech Stack

    • Gatsby
    • React
    • TypeScript
    • HTML
    • CSS
    • Sanity

Projects

Hardy

Hardy

  • Astro
  • Tailwind CSS
  • Motion
  • JavaScript
  • Vercel

Hardy is a landing page for a peanut butter company. The website showcases the products, recipes, the brand story, and provides an easy way for potential customers to get in touch. It was designed with a focus on the brand's visual identity, emphasizing warmth and simplicity in the user experience.

Walletly

Walletly

  • Next.js
  • React
  • ShadCN UI
  • Tailwind CSS
  • Zod
  • Zustand
  • TypeScript
  • Vercel

Walletly is a fully functional demo of a modern onboarding experience for digital wallets. It focuses on creating smooth, validated, multi-step signup flows — ideal for fintech and finance-related products where regulatory and KYC compliance is required.

Buno

Buno

  • Gemini Gemini
  • Next.js
  • React
  • ShadCN UI
  • Tailwind CSS
  • Drizzle ORM
  • PostgreSQL
  • TypeScript
  • Firebase
  • Vercel

Buno is an AI-powered platform that connects clients with attorneys. It offers a seamless way to find, hire, and collaborate with qualified attorneys for legal services. It also allows attorneys to offer their services and increase their client base.

Power Button

Power Button

  • Next.js
  • React
  • Tailwind CSS
  • TypeScript
  • Firebase
  • Vercel

Final Project of the Next.js course at Coderhouse. Power Button is an e-commerce built with Next.js, integrating authentication services and databases, with optimal performance on SEO optimization.