Freelance Web Developer · Colombia & USA Remote

Hello I'm
_

I build custom websites and web applications using React & Next.js. Serving businesses in Colombia and remote clients in the USA & LATAM. Free consultation — response within 24h.

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Get to know me

About me

Foto de perfil de Omar Hernández
Omar Hernández ReyFull Stack Web Developer
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Hello! I'm Omar Hernández Rey, a Full Stack Web Developer with experience in both Front-End and Back-End. I'm about to graduate with a Software Engineering from Politécnico Grancolombiano and I continue learning with Platzi courses on web technologies, DevOps and more.

Name

Omar Hernández Rey

Birth Date

February 14, 1990

Address

Carrera 2N #39D-16 Sur, Bogotá

Phone

(+57) 3219052878

Passions

My Interests

Platzi Learning
Open Source
AI & ML
Clean Code
Tech Coffee
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Stack

Tech Stack

Tecnologías y herramientas con las que trabajo

Frontend
React
Frontend
Next.js
Frontend
TypeScript
Frontend
JavaScript
Frontend
Vue.js
Frontend
Angular
Frontend
Svelte
Frontend
HTML5
Frontend
CSS3
Frontend
Tailwind
3D
Three.js
Backend
Node.js
Backend
Express
Backend
NestJS
Backend
Python
Backend
Django
Backend
Flask
Database
PostgreSQL
Database
MongoDB
Database
Redis
Database
Prisma
API
GraphQL
Real-time
Socket.io
DevOps
Docker
DevOps
Kubernetes
Cloud
AWS
Cloud
Vercel
Cloud
Netlify
Cloud
Firebase
Cloud
Supabase
Tools
Webpack
Tools
Vite
Tools
Git
Testing
Jest
Testing
Cypress
IaC
Terraform
CI/CD
Jenkins
CI/CD
GitHub Actions
Server
Nginx
Search
Elasticsearch
Tools
Storybook
Design
Figma
Payments
Stripe
Frontend
React
Frontend
Next.js
Frontend
TypeScript
Frontend
JavaScript
Frontend
Vue.js
Frontend
Angular
Frontend
Svelte
Frontend
HTML5
Frontend
CSS3
Frontend
Tailwind
3D
Three.js
Backend
Node.js
Backend
Express
Backend
NestJS
Backend
Python
Backend
Django
Backend
Flask
Database
PostgreSQL
Database
MongoDB
Database
Redis
Database
Prisma
API
GraphQL
Real-time
Socket.io
DevOps
Docker
DevOps
Kubernetes
Cloud
AWS
Cloud
Vercel
Cloud
Netlify
Cloud
Firebase
Cloud
Supabase
Tools
Webpack
Tools
Vite
Tools
Git
Testing
Jest
Testing
Cypress
IaC
Terraform
CI/CD
Jenkins
CI/CD
GitHub Actions
Server
Nginx
Search
Elasticsearch
Tools
Storybook
Design
Figma
Payments
Stripe
Frontend
React
Frontend
Next.js
Frontend
TypeScript
Frontend
JavaScript
Frontend
Vue.js
Frontend
Angular
Frontend
Svelte
Frontend
HTML5
Frontend
CSS3
Frontend
Tailwind
3D
Three.js
Backend
Node.js
Backend
Express
Backend
NestJS
Backend
Python
Backend
Django
Backend
Flask
Database
PostgreSQL
Database
MongoDB
Database
Redis
Database
Prisma
API
GraphQL
Real-time
Socket.io
DevOps
Docker
DevOps
Kubernetes
Cloud
AWS
Cloud
Vercel
Cloud
Netlify
Cloud
Firebase
Cloud
Supabase
Tools
Webpack
Tools
Vite
Tools
Git
Testing
Jest
Testing
Cypress
IaC
Terraform
CI/CD
Jenkins
CI/CD
GitHub Actions
Server
Nginx
Search
Elasticsearch
Tools
Storybook
Design
Figma
Payments
Stripe
Frontend
React
Frontend
Next.js
Frontend
TypeScript
Frontend
JavaScript
Frontend
Vue.js
Frontend
Angular
Frontend
Svelte
Frontend
HTML5
Frontend
CSS3
Frontend
Tailwind
3D
Three.js
Backend
Node.js
Backend
Express
Backend
NestJS
Backend
Python
Backend
Django
Backend
Flask
Database
PostgreSQL
Database
MongoDB
Database
Redis
Database
Prisma
API
GraphQL
Real-time
Socket.io
DevOps
Docker
DevOps
Kubernetes
Cloud
AWS
Cloud
Vercel
Cloud
Netlify
Cloud
Firebase
Cloud
Supabase
Tools
Webpack
Tools
Vite
Tools
Git
Testing
Jest
Testing
Cypress
IaC
Terraform
CI/CD
Jenkins
CI/CD
GitHub Actions
Server
Nginx
Search
Elasticsearch
Tools
Storybook
Design
Figma
Payments
Stripe
Full Stack Development
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Education

My Academic Journey

90 courses completed

Featured Certifications

A curated snapshot of milestones that define my journey.

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Technical Excellence

Core Skills

Mastering the modern development ecosystem to create exceptional digital experiences

HTML50%

HTML5

Semantic structures optimized for SEO and accessibility.

Frontend
CSS3/Sass0%

CSS3/Sass

Responsive designs, CSS animations and scalable architecture.

Frontend
JavaScript0%

JavaScript

ES6+, advanced patterns and performance optimization.

Frontend
TypeScript0%

TypeScript

Static typing for scalable enterprise applications.

Frontend
React/Next.js0%

React/Next.js

SSR, ISR and optimized static applications.

Frontend
Node.js0%

Node.js

REST/GraphQL APIs, microservices and JWT authentication.

Backend
UI/UX Design0%

UI/UX Design

User-centered interface design focused on user experience.

Design
Cloud Architecture0%

Cloud Architecture

Scalable infrastructure on AWS, GCP and Azure.

DevOps
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Featured Projects

My Projects

Explore my collection of web applications and development projects

Showing 22 of 22 projects

Laptop
Tablet
Mobile

Professional Task Manager - TODO App with Advanced React Patterns

Modern and complete task management application built with React 18 and Zustand. Features advanced reminder system with audio alerts, statistical dashboard, nested subtasks, color-coded tagging, enriched notes, Pomodoro timer, localStorage persistence, light/dark themes, smooth animations and responsive Mobile-First design for maximum productivity.

React
JavaScript
HTML
CSS
Vercel
GitHubVer Demo
Laptop
Tablet
Mobile

Shopi - Full Stack E-Commerce with Professional Authentication

Full-stack e-commerce platform built with React 18, Context API, React Router v6, and Tailwind CSS. Features professional JWT authentication system with robust validations, persistent shopping cart, dynamic catalog integrated with public API, order management, user account dashboard, and scalable Express backend with Prisma ORM and PostgreSQL. Deployed on Vercel with modular architecture, Jest testing, and reusable components.

React 18
TypeScript
Tailwind CSS 3
React Router v6
Context API
Zustand
Express.js
Prisma ORM
+7 más
GitHubVer Demo
Laptop
Tablet
Mobile

Diccionario Dev - Spanish Technical Web Dictionary

Comprehensive web development learning platform with over 200 technical terms in Spanish. Features intelligent search, interactive code preview, training modules (quizzes, live interviews), JWT authentication system, admin panel, OpenAPI-documented REST API, browser and VS Code extensions. Deployed on Vercel with PostgreSQL, Redis and scalable architecture.

Next.js 14
React 18
TypeScript
Prisma ORM
PostgreSQL
Redis
Tailwind CSS 4
Zod
+4 más
GitHubVer Demo
Laptop
Tablet
Mobile

React.js Project - Interactive Web Application

Practical project developed during the React.js Course at Platzi. Implements functional components, hooks, routing, state management, and responsive design. Deployed on Vercel as a demonstration of a modern and scalable application.

React
JavaScript
HTML5
CSS3
Vercel
GitHubVer Demo
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What I Offer

My Services

Comprehensive solutions tailored to bring your digital vision to life with cutting-edge technology and best practices

Professional Websites

Your business needs a website that sells, not just exists. I design fast, Google-optimized sites that turn visitors into paying clients.

Contratar
WEB01
Custom Web Applications

Need more than a website? I build complete web applications with databases, authentication, and custom features tailored to your business operations.

Contratar
APP02
Online Stores (E-commerce)

Sell your products online with a professional store. I integrate payment gateways (Stripe, PayPal), inventory management, and everything you need to start making sales.

Contratar
SHOP03
Automation & SEO

Eliminate repetitive tasks and get found on Google. I automate your business processes and optimize your site to rank on the first page of search results.

Contratar
AUTO04
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Let's Connect

Contact Me

Ready to bring your ideas to life? Let's discuss your next project from Bogotá, Colombia

WhatsApp Directo

Respondo en menos de 24 horas. Sin compromiso.

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Freelance Web Developer Colombia | Omar Hernández Rey