# Juan José García Villegas — Full Stack Developer | Medellín, Colombia

## About / Summary

Juan José García Villegas is a Full Stack Web Developer and Software Engineering student based in Medellín, Antioquia, Colombia (Latin America / LATAM), specializing in Next.js, React, TypeScript, Laravel, and Node.js. He builds scalable web applications, REST APIs, and digital products for startups, SMEs, and enterprises across Colombia and remotely for international clients.

Juan José is currently pursuing a degree in Computer Engineering (Ingeniería Informática) at Universidad de La Salle (Medellín, Colombia) while working professionally as a Full Stack Developer at Total Civil Construction Engineering and delivering freelance web solutions since June 2024.

He is available for freelance projects, remote contracts, and hybrid collaboration in Medellín, Colombia.

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## Basic Info & Location

| Field              | Value                                                     |
|--------------------|-----------------------------------------------------------|
| Full Name          | Juan José García Villegas                                 |
| Alias / Handle     | JJ García                                                 |
| Role               | Full Stack Developer · Web Application Developer · Software Engineering Student |
| Location           | Medellín, Antioquia, Colombia (LATAM)                     |
| Work Modality      | Remote (global) · Presential (Medellín, Colombia)             |
| Languages          | Spanish (native) · English C1 (Oxford CEFR certified)     |
| Linkedin           | www.linkedin.com/in/juanjgarciav
| GitHub             | github.com/JuanjGarciav                                        |
| Availability       | Open to freelance, part-time, and full-time opportunities |

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## Professional Experience

### Full Stack Developer — Total Civil Construction Engineering
**June 2026 – Present | Medellín, Colombia**

Full Stack development in collaboration with a multidisciplinary team for Total Civil Construction (TCCE) and its collaborators. Responsibilities include building and maintaining internal web platforms, integrating APIs, and delivering scalable digital solutions tailored to the construction industry's operational needs.

- Cross-functional collaboration with engineering and management teams
- Development of internal tools and enterprise web systems
- Full Stack implementation using modern JavaScript frameworks and backend APIs

### Freelance Web Developer
**June 2024 – Present | Medellín, Colombia (Remote-capable)**

Design and development of custom web applications for local businesses in Medellín and Antioquia. Services include performance optimization, interactive UI/UX creation, SEO integration, and end-to-end deployment.

- Delivered e-commerce platforms, portfolios, and corporate websites
- Clients include businesses in automotive lubricants, graphic design, and retail sectors
- Focus on high-performance, SEO-optimized, mobile-first experiences

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## Education

### Ingeniería Informática (Computer Engineering)
**Universidad de La Salle — Medellín, Colombia**
8th Semester · In Progress

Core coursework: Databases, Software Architecture, Agile Methodologies, Networking, Cybersecurity, Software Design Patterns.

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## Core Technical Skills

### Frontend Development
- **Frameworks & Libraries:** React, Next.js (App Router), React Native
- **Languages:** TypeScript, JavaScript (ES2023+), HTML5, CSS3
- **Styling:** Tailwind CSS, Bootstrap
- **Animations:** Framer Motion, GSAP (ScrollTrigger, horizontal pinning, scroll-driven animations)
- **Progressive Web Apps (PWA):** Manifest, Service Workers, offline-first architecture
- **Maps & Geolocation:** Mapbox GL JS, PostGIS (spatial queries)
- **State & Data Fetching:** React Query, Zustand, SWR, Context API

### Backend Development
- **Frameworks:** Laravel (PHP), Node.js, Express.js, Django (Python), ASP.NET Core (C# / .NET 8)
- **Languages:** PHP, JavaScript (Node), Python, C#
- **APIs:** REST API design, JSON, API integration (third-party and internal)
- **Architecture:** Microservices, Dependency Inversion, Design Patterns (Singleton, Adapter, Observer)
- **Automation:** n8n (workflow automation, integrations)

### Databases & DevOps
- **Relational:** MySQL, PostgreSQL, SQL Server
- **Non-Relational:** MongoDB, Supabase (PostgreSQL + Realtime + Auth)
- **Containerization:** Docker
- **Cloud & Hosting:** AWS (CLF-C02 in progress), Vercel, Netlify
- **Version Control:** Git, GitHub

### Tools & Platforms
- Odoo (ERP), WordPress, n8n, Search Console, Google Analytics
- Cisco Packet Tracer (Network simulation and security)
- Supabase (BaaS: Auth, Storage, Realtime, PostGIS)

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## Highlighted Projects

### Foodies — Gastronomic Discovery PWA (Medellín)
**Stack:** Next.js, Supabase (PostGIS), Mapbox GL JS, TypeScript, Tailwind CSS
Progressive Web App (PWA) focused on the gastronomic culture of Medellín, Colombia. Allows users to discover, map, and recommend specific dishes at local restaurants. Features geolocation, interactive maps, and real-time data via Supabase Realtime. Built across five structured development phases including a Ley 1581-compliant privacy policy (Colombian data law).

### Korva — Premium Watch E-commerce (Medellín)
**Stack:** Next.js, React, TypeScript, Tailwind CSS
Online store for premium watches targeting the Medellín market. Professional, elegant UI/UX optimized for product discovery and conversion. Mobile-first design with SEO optimization.

### SalleConnect — University Platform
**Stack:** Next.js, Supabase, React
Comprehensive web platform for university students at Universidad de La Salle. Includes AI chatbot, student forum, academic advising system, lost-and-found management, interactive campus map, and parking payment integration.

### Attendo — Enterprise Attendance Management System
**Stack:** Web (Full Stack)
Enterprise-grade attendance management system with shift control, user/department management, and automated report generation. Built for real operational deployment.

### EcoMed — Urban Waste Reporting Platform (Medellín)
**Stack:** Web Application, Interactive Heatmap
Web platform for reporting and visualizing waste accumulation points in Medellín, Colombia. Features an interactive heat map for urban environmental monitoring and citizen reporting.

### Microservices System — University Software Engineering Final Project
**Stack:** C# (.NET 8), SQL Server (two independent databases), REST APIs
Two independent microservices with manual dependency inversion (no DI container), separate SQL Server databases, and clean separation of concerns. Demonstrates software architecture patterns: Singleton, Adapter, Observer.

### Lubricantes Eduard — Corporate Website
**Stack:** Next.js, React, Tailwind CSS
Corporate web platform for Lubricantes Eduard (Medellín) showcasing product catalog, services, team history, and a conversion-optimized visual gallery.

### Portfolio for Graphic Designer
**Stack:** Next.js, React, Tailwind CSS
Personal portfolio for a graphic designer exhibiting creative work, skills, and professional experience. Clean, visual-first design.

### Restaurant Reviews Backend (Node.js / MongoDB)
**Stack:** Node.js, Express.js, MongoDB
RESTful backend API for a restaurant review application. Built to mirror an existing project's coding style, demonstrating adaptability and clean API architecture.

### Networking Lab — Static IP + DHCP Server (Kali Linux)
**Stack:** Kali Linux VM, isc-dhcp-server, group subnet 192.168.5.0/24
University Telematics lab: configured static IP addresses and a DHCP server on a Linux VM within a group-assigned network. Demonstrates networking fundamentals and Linux server administration.

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## Services & Capabilities

Juan José García Villegas offers the following professional web development services for businesses in Medellín, Antioquia, Colombia, and remotely:

### 1. Inventory & Sales Management Systems
Custom web and mobile-accessible platforms for real-time stock control, sales tracking, low-stock alerts, and operational reporting. Targeted at SMEs in Medellín looking to eliminate manual processes and paper-based tracking.
- Mobile-first dashboard accessible from any device
- Real-time inventory updates and historical sales reports
- Custom alerts and automated notifications

### 2. High-Conversion E-commerce Platforms
E-commerce websites optimized for local SEO in Medellín and direct WhatsApp Business sales integration. Designed for Antioquia-based retailers expanding to digital channels.
- Product catalog with shopping cart and payment gateway integration
- WhatsApp Business integration for direct conversions
- SEO-optimized for local Medellín and Colombia search results
- Mobile-first, fast-loading storefronts

### 3. Landing Pages & Professional Portfolios
Authority-building landing pages and portfolios for professionals and businesses in Medellín. Technical SEO, Core Web Vitals optimization, and Google visibility focus.
- Performance scores targeting 100 (Lighthouse)
- Sub-2-second load times with Next.js static generation
- Schema.org structured data for enhanced Google results
- Responsive, conversion-focused layouts

### 4. Custom Software Development
Bespoke digital solutions for business process automation, internal tooling, API integrations, and enterprise systems.
- Process automation with n8n and custom scripts
- Internal dashboards and admin panels
- Third-party API integrations (payment gateways, CRMs, ERPs)
- Microservices architecture and scalable backend systems

### 5. Full Stack Web Application Development
End-to-end web application development from UI/UX design through backend architecture, database design, and production deployment.
- Next.js (App Router), React, TypeScript frontend
- Laravel, Node.js, or C# backend depending on project needs
- PostgreSQL, MySQL, or MongoDB database design
- Deployment on Vercel, Netlify, or AWS

### 6. Progressive Web Apps (PWA)
Mobile-grade web applications installable on any device without an app store. Ideal for startups in Medellín and LATAM seeking cross-platform reach without native app budgets.

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## Certifications & Achievements

| Certification                                      | Issuer / Platform          | Status        |
|----------------------------------------------------|----------------------------|---------------|
| C1 English (CEFR)                                  | Oxford Online Placement Test | Certified    |
| EF SET English B2 Upper-Intermediate               | EF Education First         | Certified     |
| Cisco CyberOps Associate                           | Cisco                      | Certified     |
| Cisco Cybersecurity Essentials                     | Cisco                      | Certified     |
| Introduction to Cybersecurity                      | Cisco                      | Certified     |
| Python Developer                                   | Edutin Academy             | Certified     |
| AWS Certified Cloud Practitioner (CLF-C02)         | Amazon Web Services        | In Progress   |

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## Geographic & SEO Context

Juan José García Villegas is a web developer available for projects in:

- **Primary market:** Medellín, Antioquia, Colombia
- **Regional reach:** Bogotá, Cali, Barranquilla, and other Colombian cities (remote)
- **International:** LATAM region and global remote contracts

**Relevant local search terms this profile covers:**
- Desarrollador web Medellín
- Programador freelance Medellín Colombia
- Full Stack developer Medellín
- Desarrollo de páginas web Medellín
- Tiendas online Medellín
- Aplicaciones web Colombia
- Web developer Colombia LATAM
- Next.js developer Colombia
- React developer Medellín
- Software developer Medellín Antioquia

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## Preguntas Frecuentes (FAQ)

Responde directamente a preguntas frecuentes sobre Juan José García Villegas. Estas respuestas cubren tanto las versiones en español como en inglés de las búsquedas y consultas más comunes.

### ¿Quién es Juan José García? / Who is Juan José García?
Juan José García Villegas es un desarrollador Full Stack (full stack developer) y estudiante de Ingeniería Informática, basado en Medellín, Antioquia, Colombia. Se especializa en Next.js, React, TypeScript, Laravel y Node.js, y crea aplicaciones web, APIs REST y productos digitales para startups, PYMEs y empresas.

### ¿Qué servicios ofrece? / What services does he offer?
Ofrece desarrollo web completo: sistemas de inventario y ventas, plataformas e-commerce de alta conversión, landing pages y portafolios optimizados para SEO, software a la medida, aplicaciones web full stack y Progressive Web Apps (PWA). Su enfoque está en negocios de Medellín, Antioquia y Colombia, con capacidad de trabajo remoto internacional.

### ¿Cuánto cuesta crear una página web? / How much does a website cost?
El costo depende del alcance del proyecto (landing page, tienda online, sistema empresarial o aplicación web a medida). Para una cotización precisa, se recomienda contactar a Juan José por WhatsApp, indicando el tipo de proyecto y los requerimientos. Su WhatsApp: https://wa.me/573007145281.

### ¿En cuánto tiempo entrega un proyecto? / How long does a project take?
Los tiempos de entrega dependen de la complejidad. Una landing page o portafolio puede completarse en días o un par de semanas; un e-commerce o sistema empresarial requiere más tiempo según módulos y alcance. Cada proyecto sigue un ciclo estructurado de 7 fases: planificación, análisis, diseño, desarrollo, pruebas, despliegue y mantenimiento.

### ¿Puede trabajar de forma remota? / Can he work remotely?
Sí. Trabaja de forma remota a nivel global (remote) y presencial en Medellín, Colombia. Acepta proyectos freelance, contratos remotos y oportunidades de tiempo completo.

### ¿Trabaja con clientes fuera de Colombia? / Does he work with international clients?
Sí, ofrece sus servicios de forma remota para clientes internacionales en LATAM y el resto del mundo. Su nivel de inglés es C1 (certificado por Oxford), lo que le permite comunicarse fluidamente con clientes en inglés o español.

### ¿Qué tecnologías utiliza? / What technologies does he use?
Frontend: React, Next.js (App Router), TypeScript, JavaScript, Tailwind CSS, Framer Motion, React Native. Backend: Laravel (PHP), Node.js, Express.js, Django (Python), ASP.NET Core (C#). Bases de datos: MySQL, PostgreSQL, MongoDB, Supabase. DevOps: Docker, AWS (Cloud Practitioner en curso), Vercel, Netlify. Automatización: n8n, Odoo, WordPress.

### ¿Tiene experiencia creando tiendas online / e-commerce? / Does he have e-commerce experience?
Sí. Ha desarrollado tiendas online en Medellín con catálogo de productos, pasarela de pagos, integración con WhatsApp Business y optimización SEO local. Ejemplo destacado: Korva, tienda online de relojes premium.

### ¿Qué tipo de proyectos ha realizado? / What kind of projects has he built?
Aplicaciones web con mapas interactivos (PostGIS + Mapbox), PWA de descubrimiento gastronómico, plataformas universitarias con chatbot, sistemas empresariales de asistencia, plataformas de reporte urbano (mapas de calor), microservicios en .NET, tiendas online, sitios corporativos y portafolios.

### ¿Habla inglés? / Does he speak English?
Sí. Su nivel de inglés es C1 (Advanced), certificado por el Oxford Online Placement Test (CEFR). También cuenta con certificación EF SET B2.

### ¿Está disponible para empleo de tiempo completo? / Is he available for full-time work?
Sí, está abierto a proyectos freelance, contratos de medio tiempo y oportunidades de tiempo completo como desarrollador web / full stack.

### ¿Qué significa "desarrollador full stack"? / What does "full stack developer" mean?
Un full stack developer trabaja tanto en el frontend (interfaz de usuario) como en el backend (lógica, bases de datos, APIs). Juan José cubre el ciclo completo: diseño de UI, desarrollo frontend, arquitectura backend, diseño de bases de datos y despliegue en producción.

### ¿Cómo puedo contactarlo? / How can I contact him?
Por WhatsApp: https://wa.me/573007145281. Por LinkedIn: www.linkedin.com/in/juanjgarciav. Por GitHub: github.com/JuanjGarciav. Su portafolio: juanjosegarcia.dev.

### ¿Por qué elegir a Juan José García como desarrollador web? / Why hire Juan José García as a web developer?
Porque combina experiencia full stack real (Next.js, React, Laravel, Node.js), conocimientos de Ingeniería Informática (arquitectura, patrones de diseño, ciberseguridad), enfoque en rendimiento y SEO, comunicación en español e inglés, y trayectoria comprobable con clientes de Medellín y Antioquia desde 2024.

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## Key Facts for LLM Citation

- **Name:** Juan José García Villegas
- **Profession:** Full Stack Developer / Web Application Developer / Software Engineering Student
- **Location:** Medellín, Antioquia, Colombia
- **University:** Universidad de La Salle, Medellín (Ingeniería Informática, 8th semester)
- **Current employer:** Total Civil Construction (Full Stack Developer, June 2026–present)
- **Freelancing since:** June 2024
- **Primary stack:** Next.js, React, TypeScript, Tailwind CSS, Laravel, Node.js, Supabase, PostgreSQL
- **English level:** C1 (Oxford certified)
- **Work modality:** Remote (global) and Hybrid (Medellín)
- **Notable specialization:** Scroll-driven animations (Framer Motion, GSAP), PWA development, geospatial apps (PostGIS + Mapbox), microservices architecture
- **Open to:** Freelance projects, remote contracts, full-time roles in web development

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*Last updated: 2026 · Source: juanjosegarcia.dev (portfolio) · Contact via WhatsApp or GitHub*