Available for hire

Hey, I'm Diego

Web Frontend & Fullstack Developer. 2+ years of experience. I specialize in building SaaS platforms, dashboards, ERP systems, and interactive web applications. Based in Guanajuato, México.

Diego

Experience

Fullstack Developer - Goat Tool

Collaborated in a team of 3 developers, working closely with the tool's owner/CEO to build and optimize Goat Tool, a native desktop application for mobile device technicians.

• Contributed to building and polishing the high-fidelity user interface using Tauri, React, and TypeScript.
• Integrated UI modules with low-level repair processes and hardware utilities used daily by support technicians.

Tauri React.js TypeScript Low-Level APIs

Fullstack Web Developer - Keep Vending USA / NitroBean USA

Led the architecture migration of a legacy Angular/Django platform to a modern tech stack.

• Collaborated directly with the CTO in planning, researching, architecture decision-making, and migration strategy execution.
• Designed and implemented new frontend modules using Next.js, React, TypeScript, and ElysiaJS, improving overall scalability and UI performance.

Next.js ElysiaJS React.js TypeScript Angular Django Django

Frontend Web Developer - Jalo

Developed an internal dashboard to manage and display promotional content and social links, working closely with the CTO.

• Optimized core frontend modules focused on improving usability and user engagement.
• Developed two browser-based games (Tetris and a racing game) using React, implementing scoring systems and real-time mechanics.

React.js JavaScript HTML5 CSS3 Game Dev

Frontend Web Developer - Tramet (Freelance)

Developed core modules for a custom ERP platform focused on operational efficiency.

• Collaborated with backend developers to define API contracts, database workflows, and functional requirements.
• Created reusable UI components and frontend architecture patterns to accelerate future feature development.

React.js TypeScript REST APIs ERP Layouts

Projects

Screenshot of the project ZendaPro

ZendaPro

A freemium SaaS platform for appointment and booking management tailored for small businesses.

• Designed and developed the complete system architecture, implementing public booking portals and admin dashboards.
• Developed real-time customer notification flows via Server-Sent Events (SSE).
• Implemented multi-tenant branding customization and customizable schedules.

  • React.js
  • TypeScript
  • TailwindCSS
  • Vite
  • Cloudflare
  • Hono Hono
  • Drizzle Drizzle ORM
Demo
Private Code
Screenshot of the project BillExpress

BillExpress

A free and open-source personal finance, income, and expense management platform.

• Built transaction logs, multi-account ledger balances, and budget threshold tracking.
• Generated automatic monthly financial reports and interactive charts using Recharts.
• Structured a lightweight real-time state database with Zustand and Firebase storage.

  • Next.js
  • React.js
  • TypeScript
  • TailwindCSS
  • Firebase
  • Zustand
  • Bun
  • Recharts

Contact