Israel Calderón
.NET MAUI Developer

Hi, I'm Israel Calderón

Montemorelos, Mexico

.NET Mobile Developer building native cross-platform apps with .NET MAUI, Xamarin.Forms, and ASP.NET Core.

About me

.NET Mobile Developer at Atos with a passion for cross-platform development. Experienced building native apps with .NET MAUI and Xamarin.Forms, plus backend services with ASP.NET Core and Azure. Based in Montemorelos, Mexico. Graduate of Instituto Tecnológico de Nuevo Laredo. For over a decade I've also volunteered as a programming instructor, teaching OOP, XAML, MVVM, and Xamarin at my alma mater.

10+
Years coding
10+
Projects delivered
12+
Years teaching

Experience

Professional

2021 — Present

.NET Mobile Developer

Atos

Building cross-platform mobile apps with .NET MAUI and Xamarin.Forms. Implementing MVVM, dependency injection, and REST API consumption.

2021 — 2024

Mobile Developer

Herbalife Nutrition

Developed PAH Mobile (Android & iOS) — a mobile solution for Herbalife associates to consult product info and business tools, backed by a web API.

2017 — 2021

.NET / Xamarin Developer

Various companies

Developed REST APIs with ASP.NET Core, maintained Windows applications, and started building mobile apps with Xamarin.Forms.

Teaching & Volunteering

2013 — Present

Programming Instructor

Instituto Tecnológico de Nuevo Laredo

Teaching OOP with C#, WPF with MVVM, XAML and data binding at annual symposiums.

2015 — Present

Xamarin.Android Instructor

Instituto Tecnológico de Nuevo Laredo

Teaching Android development with Xamarin Studio and C# — app fundamentals, UI elements, and deployment.

2015 — Present

Volunteer Photographer

Street Store Nuevo Laredo

Supporting people in need by providing clothing, food, and services — capturing the mission through photography.

Education & Certifications

B.S. Computer Engineering

Instituto Tecnológico de Nuevo Laredo
2010 — 2014
  • Windows Phone 8 Development
  • Java for Android
  • PHP & MySQL
  • LabVIEW
  • Web development for mobile

Certifications

  • discover-drive — Code School
  • 1st place State Programming Contest — TAMCODER 2013
  • Responsible AI with GitHub Copilot

Technologies

My daily stack and tools

.NET MAUI
Xamarin.Forms
C#
SQL Server
Azure
ASP.NET Core
Git
MAUI
MVVM
XAML
Unit Test
Docker
iOS
Android

Projects

Notable work

PAH Mobile — Android

Mobile app for Herbalife associates to consult product information and business resources, built with Xamarin.Android and a web API backend.

XamarinAndroidC#

PAH Mobile — iOS

iOS counterpart of PAH Mobile, delivering the same functionality for Apple devices using Xamarin.iOS.

XamariniOSC#

Tabla Periódica

Periodic table app for Windows Phone 7.5/8/8.1 with element information in Spanish. Two versions: ES and LI.

Windows PhoneC#XAML

Honors & Awards

Xamarin.Android Workshop Instructor

ITNL — XXV Simposium International ISC
Nov 2016

XAML Application Development Workshop Instructor

ITNL — XXIV Simposium International ISC
Nov 2015

OOP in C# Workshop Instructor

ITNL — XXII Simposium International ISC
Oct 2013

Languages

Español Native
English Professional

Contact

Let's talk about your next project