Building web, mobile, and backend solutions with a strong focus on scalable products.

I'm Marcelo Carabajal, a Full Stack Developer from Argentina with experience building web applications, mobile apps, backend APIs, and product-oriented solutions.

I work mainly with:

• Backend: Java, Spring Boot, Quarkus, Node.js, Express.js, NestJS, C#/.NET, ADO.NET
• Frontend: React, Next.js
• Desktop: Windows Forms
• Mobile: React Native
• Databases: MySQL, SQL Server, MongoDB, Firebase
• Auth & Security: Keycloak

I'm currently working as a Software Developer and studying Tecnicatura Universitaria en Programación at UTN General Pacheco.

I'm especially interested in:

• scalable backend architecture
• authentication and authorization flows
• mobile development
• e-commerce solutions
• digital product building

• Web applications with modern frontend and backend stacks
• REST APIs with clean architecture and scalable design
• Mobile apps with React Native
• Authentication and authorization flows using tools like Keycloak
• E-commerce and product-driven solutions

• Backend Architecture
• Full Stack Development
• Mobile Development
• Authentication & Security
• E-commerce Solutions
• Digital Product Thinking