Fullstack JavaScript Developer | React • Next.js • Node.js
Colombia | Open to LATAM Remote Opportunities
Fullstack Developer with experience building scalable web applications from concept to production. Strong backend foundation in REST API design, JWT authentication, role-based access control, and database modeling using PostgreSQL and MongoDB.
I apply Clean Architecture, SOLID principles, and Vertical Slicing to structure maintainable and business-oriented systems. Experience as a JavaScript Bootcamp Instructor mentoring developers in modern development practices and production-ready workflows.
- React
- Next.js
- TypeScript
- Tailwind CSS
- Node.js
- Express
- REST API Design
- JWT Authentication
- Role-Based Access Control (RBAC)
- WebSockets
- PostgreSQL
- MongoDB
- MySQL
- Clean Architecture
- SOLID Principles
- Vertical Slicing
- Environment Management (Dev / Staging / Production)
Fullstack web application designed for freelancer-client collaboration.
Key Features:
- JWT-based authentication and role management
- Real-time chat using WebSockets
- Project lifecycle and payment management
- Review and rating system
Tech Stack: React | Node.js | PostgreSQL | WebSockets
Administrative platform for fleet and route management.
Key Features:
- Admin dashboard with role-based access
- Fleet and route management
- Billing module
- Client management panel
Tech Stack: Next.js | Node.js | PostgreSQL
Education platform with secure payment integration.
Key Features:
- Course catalog and multimedia content
- Student and instructor dashboards
- Payment gateway integration
- Role-based authentication
Tech Stack: React | Node.js | MongoDB | Payment Integration
- Custom theme development
- Plugin creation
- API integrations
- Performance optimization
- Hosting and deployment management
Bootcamp Instructor at Desafío Latam (Remote)
Mentoring developers in Fullstack JavaScript, clean code, REST APIs, and scalable application design.
- Deepening backend architecture patterns
- Improving testing strategies
- Exploring scalable microservices approaches
Email: [email protected]
LinkedIn: https://www.linkedin.com/in/nelsonluengas


