David Mendez Guardado - Full Stack Developer

Welcome, I'm LSCA David Mendez Guardado

Bachelor's Degree in Administrative Computer Systems

I'm a Full Stack Developer who is always eager to share the knowledge acquired over the years in programming, as it is a field that I'm passionate about and love. I hope to always be able to help others learn and grow in this exciting world of programming.

I'm passionate about spending time with my family, playing with my children, coding, watching movies with my family, and playing video games. In my free time, I enjoy learning new technologies and tools that help me improve as a developer.

I'm always open to new opportunities and challenges, so if you need help with a project or simply want to chat about technology, don't hesitate to contact me.

Featured Projects


SimpleBlockchainDataBase

Simple Database based on Blockchain technology. A project demonstrating the implementation of blockchain concepts for data storage with immutable records and cryptographic security.

  • Python
  • Blockchain
  • Database

RGDEV.Service.Notify

Cross-platform notification service built with Go. Provides a unified API for sending system notifications across Windows, macOS, and Linux environments.

  • Go
  • Cross-platform
  • Notifications

RG.Web.EbookReader

Web-based eBook reader application with a modern interface for reading digital books. Features include bookmarking, text customization, and responsive design.

  • HTML5
  • JavaScript
  • CSS

FaceDetection

Facial recognition application in Python capable of detecting faces in photos, videos, and real-time camera feeds using OpenCV and machine learning algorithms.

  • Python
  • OpenCV
  • Machine Learning

NASA-BOT

Twitter bot that publishes NASA's Astronomy Picture of the Day. Automatically fetches and shares daily space images from NASA's official API, featuring images from 1996 to present.

  • Python
  • Twitter API
  • NASA API

RG.PasswordGenerator

Secure password generator with customizable parameters including length, character types, and complexity requirements. Built with modern JavaScript for enhanced security.

  • JavaScript
  • Security
  • Web

PS_MediaPlayer

A PowerShell-based media player demonstrating advanced scripting capabilities. Plays audio and video files with a command-line interface for automation enthusiasts.

  • PowerShell
  • Media
  • Windows

ReceipesAPP

Flask-based web application for storing and managing cooking recipes. Features include recipe categorization, search functionality, and user-friendly interface for culinary enthusiasts.

  • Python
  • Flask
  • Web App

CircuitPlaygroundExpress_Codes

Collection of Python programs for the Adafruit Circuit Playground Express. Includes examples for sensors, LEDs, sound, and interactive projects for learning embedded systems.

  • Python
  • CircuitPython
  • IoT

Technical Skills


💻 Programming Languages


  • JavaScript


  • C#


  • Python


  • Golang


  • PHP


  • Java


  • TypeScript

🌐 Web & Frameworks


  • HTML5 & CSS3


  • .NET Framework & .NET Core


  • ASP.NET & ASP.NET Core


  • MVC & MVP Patterns


  • Angular


  • React


  • Node.js

📱 Mobile Development


  • Android Native


  • Flutter


  • Xamarin

🗄️ Databases


  • SQL Server


  • PostgreSQL


  • MySQL


  • Oracle DB


  • SQLite


  • Redis Cache

☁️ Cloud & DevOps


  • Microsoft Azure


  • Azure Blob Storage


  • Azure Functions


  • Azure DevOps (CI/CD)


  • Docker


  • Web Hosting

💻 IT & System Administration


  • Windows Server Administration


  • Linux Server Administration

🤖 Machine Learning


  • Python (ML)


  • .NET (ML.NET)

🧪 Testing & Quality


  • Unit Testing


  • Test-Driven Development

⚙️ Methodologies


  • Agile Development


  • Full Stack Development


  • API Integration

💼 Work Experience

  • CourtBet Software Development

    Full Stack Developer

    03/2019 - Present

    Working as a Full Stack Developer using Agile methodology, ensuring the highest levels of security and performance while leveraging the latest technologies and development tools to deliver robust software solutions.

    • Developed full-stack applications using modern technologies and Agile methodology.
    • Ensured highest levels of security and performance in software solutions.
    • Leveraged latest technologies and development tools for robust solutions.
    SQL Server PostgreSQL .NET Core Node.js Golang React Angular Docker Azure Azure Blob Storage Linux Server CI/CD


  • Integra Corp & H. Consulting

    IT Analyst

    02/2021 - 06/2025

    Working as a Full Stack Developer for an American company as a loaned developer, using React, .NET, and SQL Server as part of an 8-person development team, following Agile methodology. Contributed to multiple enterprise-level projects including shipping and manufacturing systems for major clients.

    • Developed full-stack applications using React, .NET, and SQL Server for enterprise clients.
    • Migrated legacy scanning systems to modern .NET-based technology for improved shipping processes.
    • Built and maintained manufacturing software using React, .NET, Redis Cache, and Azure Functions.

    React .NET SQL Server Redis Cache Azure Functions Agile


  • Zapaterías Super S.A de C.V

    IT Analyst / Project Leader

    09/2019 - 02/2021

    Served as IT Analyst and Project Leader, developing internal software solutions for retail operations including footwear, sportswear, and safety clothing sales. Led the development of multiple systems from scratch.

    • Developed internal point-of-sale software for retail employees to manage product sales.
    • Created web application dashboard from scratch for business owners to monitor operations.
    • Developed customer-facing e-commerce platform for safety clothing orders and management.

    .NET SQL Server Point of Sale E-commerce Inventory Management Web Dashboard Retail Systems Project Leadership


  • Surman Motors

    IT Analyst

    06/2019 - 09/2019

    Developed internal software solutions to streamline business operations, including an employee travel expense management system and automated inventory reporting for supplier returns.

    • Built travel expense management software for tracking and processing employee travel costs.
    • Automated supplier return reporting system for wheel inventory management.

    Angular .NET SQL Server Travel Management Inventory Systems Automation Reporting Business Operations


  • John Deere (External Contractor)

    IT Analyst

    06/2018 - 05/2019

    Worked as part of the Channel Operations Team, leading the modernization of internal dealer communication systems. Migrated legacy web applications to modern technology stack.

    • Migrated legacy web application to modern technology stack for improved performance.
    • Enhanced error reporting system for tracking issues across company systems.

    JavaScript .NET SQL Server Agile Legacy Migration Modern Stack Communication Systems Error Reporting System Integration Dealer Operations


  • Red de Prepago de México

    IT Analyst

    09/2017 - 04/2018

    Developed point-of-sale systems for end-user service transactions across multiple retail locations throughout the city. Integrated payment processing for various services.

    • Developed point-of-sale system for multi-service payment processing.
    • Integrated payment services for bus tickets, cellphone recharges, and utility bills.

    PHP .NET Java Point of Sale Payment Processing Multi-service Retail Deployment Utility Payments Transportation


  • Nerdo.mx

    Developer

    06/2017 - 09/2017

    Developed and maintained an e-commerce platform using PHP for the front-end and .NET for the backend services. Integrated multiple third-party vendor APIs to automate product catalog updates.

    • Developed PHP-based e-commerce website for online retail sales.
    • Integrated multiple vendor APIs for real-time inventory and product updates.

    PHP .NET E-commerce API Integration Inventory Sync Vendor Management