Software Developer
& University Professor

Analytical Software Developer with over 9 years of experience in enterprise systems architecture and data-driven solutions. Oracle Certified Professional with a Master’s in IT for Business, specializing in optimizing database environments, managing complex business logic, and creating seamless system integrations.

Carlos A. Ruiz Castrejón

Technical Expertise

Core technologies and tools I utilize to build scalable solutions.

Backend & Core

Java (EE/Jakarta EE, Spring Boot), .NET (C#), Python, Node.js.

Databases

Advanced SQL Server, PostgreSQL, MongoDB, and MySQL.

Frontend & Web

Vue.js, Angular, JavaScript (ES6+), HTML5/CSS3.

AI & DevOps

GitHub Copilot, Prompt Engineering, CI/CD, Git, GitHub Actions.

E-Commerce & APIs

WooCommerce, Shopify, Tiendanube, and scalable third-party API orchestration.

Professional Experience

My journey in the software development and academic industry.

Professor Current Active

Instituto Tecnológico de Sonora

Jan 2023 – Present

Teaching advanced courses in e-commerce, Algorithms, Software Design, and Web Applications. Mentored students on practical projects, fostering their software development skills.

Software Programmer Current Active

IND Consulting

Jan 2023 – Present

Developing enterprise web applications with a focus on scalable architecture and SQL Server integration. Implementing complex business logic using C#, while maintaining cross-language compatibility for system migrations.

Software Developer

Grupo CABSA

Nov 2019 – Aug 2020

Architected frontend systems using Vue.js and maintained backend API services. Ensured data integrity and performance across relational database systems.

System Analyst & Programming Coordinator

H. Ayuntamiento de Cajeme

Mar 2016 – Apr 2019

Led the development of departmental systems using .NET and Java-based logic for public administration. Managed critical database infrastructure in SQL Server, ensuring high availability and security.

Education

Master’s in IT for Business

Instituto Tecnológico de Sonora

Aug 2020 – Aug 2022

B.S. in Computer Systems Engineering

Instituto Tecnológico Superior de Cajeme

Aug 2009 – Aug 2014