Carlos Manuel Guardado

Junior Full Stack Developer

Full Stack Developer with experience in the complete web application development and deployment lifecycle. Specialized in creating dynamic interfaces, managing databases, and orchestrating cloud architectures.

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Experience

Community Church (Independent Project)

Native Android Developer

2024 — 2026

Designed and developed a native Java mobile application to digitize the registration and logistical tracking of community donation boxes.
Implemented local data persistence using SQLite, significantly optimizing the management and security of financial records.
Configured ngrok network tunnels to enable seamless app communication and data synchronization with a local server.

Proyecto Sismo SV

Web Deployment Specialist

June 2026 — August 2026

Full development of the web platform using React for the frontend and Node.js with MongoDB for the backend.
Integration of an external Machine Learning service developed in Python for data analysis and monitoring.
Responsible for the configuration and production release of the web platform (Vercel and Render).
Execution of a successful deployment, ensuring proper communication and synchronization across all three cloud environments.

Projects

JuegosCentral

Responsive product management interface featuring full CRUD operations via DOM manipulation. Developed natively with HTML5, CSS3, and Vanilla JavaScript.

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MERN Inventory System

Full-Stack platform for book management. Developed with React.js (Frontend) and Node.js/Express (Backend), featuring MongoDB Atlas persistence and secure JWT authentication.

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POS & Inventory System (Llantería)

Full-Stack Point of Sale and Inventory platform built with Angular (Frontend) and Node.js/Express (Backend). Enables total inventory control and user management with full CRUD operations and MongoDB Atlas persistence.

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Monitoring Platform - Sismos SV

Full-stack application for seismic risk analysis. Developed with React, Node.js, MongoDB, and a Python Machine Learning microservice hosted on Render.

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PC-SalesBot Pro - Telegram AI Assistant

Intelligent bot developed with Python, the Google Gemini API, and MongoDB Atlas. It enables hardware recommendations, catalog validation, and chat history persistence, deployed to the cloud using Render.

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About

Hi, I'm Carlos Guardado, a Software Developer focused on building robust and scalable web and mobile applications. I specialize in designing end-to-end digital solutions, modern backend architectures, and high-performance interfaces that drive operational efficiency and solve complex problems.