Miguel Antonio Julio Diaz

Hi, I'm Miguel Antonio Julio Diaz

Full Stack Developer & Team Leader

Lead Software Architect with over 6 years of experience as a Full Stack Developer, specializing in the creation of high-performance and efficient REST APIs. Expert in .NET Core, .NET Framework, SQL Server, and React.

About Me

Who I Am

I am a Systems Engineer with over 6 years of experience...

My Focus

I am an expert in .NET Core, SQL Server, and React...

My Approach

I have collaborated with multidisciplinary teams...

My Goals

I’m looking for a challenging role that allows me to continue...


Beyond the Code

27 Years Old
Football
Reading
Dogs

My Skills

React

Next.js

React Native

TypeScript

.NET Core

C#

Node.js

SQL Server

PostgreSQL

Tailwind CSS

My Projects

Enterprise Accounting Platform

Led the complex migration of a legacy desktop accounting system to a modern, multi-tenant web application. Engineered the new platform using .NET Core and React, implementing electronic invoicing and secure financial data handling.

React.NET CoreC#SQL ServerAzure

On-Demand Service Marketplace (Mobile)

Developed a cross-platform mobile app using React Native for a two-sided service marketplace. Built a high-performance REST API with NestJS, allowing providers to create services and clients to schedule them in real-time.

React NativeNestJSNode.jsPostgreSQLTypeScript

Real-Time Fraud Detection System

Engineered a high-throughput .NET Core API to analyze financial transactions in real-time. The service uses a custom ML.NET model to score and flag suspicious activity, pushing alerts to a live-updating Next.js admin dashboard.

Next.js.NET CoreC#ML.NETSQL ServerDocker

HR Management Portal

Built a comprehensive Human Resource Management (HRM) portal using .NET Core and React. Designed and implemented a secure role-based access control (RBAC) system for managing employee data, performance reviews, and payroll processing.

React.NET CoreC#SQL ServerJWTAzure AD

Multi-Source BI Dashboard

Developed a Business Intelligence (BI) dashboard using Next.js for visualizing KPIs. The backend, built with NestJS, aggregates data in real-time from disparate sources (PostgreSQL, third-party APIs) to provide executives with interactive charts.

Next.jsNestJSPostgreSQLTypeScriptD3.js

Inventory & Logistics Management System

Engineered a full-scale inventory management system for a distribution client. The .NET Core API tracks product lifecycles from procurement to fulfillment, featuring real-time stock-level monitoring across multiple warehouses.

.NET CoreReactC#SQL ServerDockerRabbitMQ

Get In Touch

I'm always open to new opportunities, collaborations, and interesting projects. Feel free to reach out!