Hi! My name is Juan Díaz and I'm based in Charlotte, NC. I'm

Actions speak louder than words.

About me

Committed Full Stack Developer advancing into Data Engineering, seeking opportunities with innovative teams. From 🇨🇴 in 🇺🇸, driven by continuous learning and passionate about building powerful solutions.

What I do

Founder & Full Stack Developer @ Talento Para TI • Since June 2024.

Maintainer of

Confs.tech April 2024 Public APIs July 2024 Dev Resources July 2024

Projects

Book Store

A Full Stack Book Store web app using MERN stack.

Book Store

Demo Backup

Juan Diaz's Docs

My documentation site for projects, tech notes, and career advancement.

Juan Diaz's Docs

Demo Backup GitHub

Colombia

A web app that offers an interactive and comprehensive exploration of Colombia’s geography, culture, biodiversity, and institutions through maps, multimedia, and detailed data from api-colombia.com.

Colombia

Demo GitHub

Jp·Shop

Responsive online store that consumes an API to fetch products. Features include a sign in, product filtering, skeleton screens, and pagination

Jp·Shop

Demo Backup GitHub

Juan's Favorites

A curated collection of my favorite Books, Movies, TV shows, Games, artists and Podcasts

Juan's Favorites

Demo Backup GitHub

FreeCodeCamp

Collection of projects. Including a Markdown Previewer, a Drum Machine, a Calculator, a Pomodoro Clock, a Quote Generator and many more.

FreeCodeCamp

Demo Backup GitHub

FreeCodeCamp Certifications

Site deployed with GitHub Actions and Jekyll in a GitHub Page. Contain all the projects, challenges, and certifications.

FreeCodeCamp Certifications

Demo GitHub

Geek API

MASSIVE list of 1500+ Geek APIs for developers build with Astro and React

Geek API

Demo GitHub

Landing Page

Responsive landing page built with React and Tailwind CSS.

Landing Page

Demo Backup GitHub

Free For Geeks

A curated list of free resources for developers and geeks.

Free For Geeks

Demo Backup GitHub

Migue Diaz

A personal site for a client. Displays the location of both the visitor and the website owner, along with the distance between them.

Migue Diaz

Demo Backup

Repos

A collection of my public GitHub repositories

Repos

Demo GitHub

3D Portfolio

A 3D portfolio project built with Three.js and React.

3D Portfolio

Demo Backup GitHub

Use backup button if demo button is not working

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GitHub Repos

Open Source

I love to contribute to OSS. Here are my top contributions and OSS projects that I have worked on.

Top Contributions

Add Team page to Confs.tech

tech-conferences/confs.tech

Adds a new Team page with Maintainers and Contributors sections, styled and fetching data from GitHub API with local fallback.

Jun 14, 2024 Typescript

Add Date Range Filter to Conference List UI

tech-conferences/confs.tech

Adds date range filtering to the conference list, with styling and UX improvements using react-datepicker, plus minor layout and code tweaks.

Jul 9, 2025 Typescript

6 PRs merged to improve and update the project

tech-conferences/confs.tech

Improves build performance, modernizes dependencies, adds cookie consent, enhances security headers, and updates key components for privacy and UX.

Jul 7, 2025 Typescript

Explore my Top Contributions and much more in the Open Source Contributions page

Open Source Projects

Unity Catalog

Open, Multi-modal Catalog for Data & AI.

Public APIs

A collaborative list of public APIs for developers.

Confs Tech Frontend

A simple, clutter-free project that lists upcoming tech conferences.

Confs Tech Database

A simple, clutter-free project that lists upcoming tech conferences. Permanently free.

Resources

A collaborative list of resources for developers.

LinksHub

Provides access to free resources and tools for learning and developing tech skills.

My open source journey includes code contributions, bug fixes, documentation, translations, resource contributions, automations, and more.

View all Open Source contributions

Testimonials

What the GitHub community says about my work

cgrail

tech-conferences/conference-data

July 16, 2025

Thanks a lot. It's not messing indentations up, it's rather fixing messed up indentation. You've done a lot of great work recently. I'm happy to have you on board.