Juancarlos Manuel García Monzón

I’m a Full Stack Developer with 3+ years of experience in e-commerce, focused on end-to-end development with C#, ASP.NET, Node.js, React, and Next.js. I’m self-driven and solution-oriented, and I enjoy collaborating across multidisciplinary teams to ship reliable customer experiences.

At GuatemalaDigital S.A. (Jan 2023 – Present), I integrated a new product provider end-to-end by building REST endpoints in ASP.NET and Next.js, including search, display, and the purchase flow with fallback from the previous provider. This work helped drive a 50% increase in product availability and resulted in a 30% growth in sales.

I’ve also implemented shopping and post-sale experiences, including order status tracking and order-splitting, shipment tracking and warranty management, and transactional email delivery using MJML templates and microservice-based logic. For payments, I extended 3D Secure (3DS) with Credomatic—scaling for a new country with a modular structure—and implemented MIT for automatic recurring membership billing.